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Patch "gpio: label descriptors using the device name" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled gpio: label descriptors using the device name to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: gpio-label-descriptors-using-the-device-name.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Linus Walleij <linus.walleij(a)linaro.org> Date: Thu, 4 Jan 2018 22:31:11 +0100 Subject: gpio: label descriptors using the device name From: Linus Walleij <linus.walleij(a)linaro.org> [ Upstream commit 24e78079bf2250874e33da2e7cfbb6db72d3caf4 ] Some GPIO lines appear named "?" in the lsgpio dump due to their requesting drivers not passing a reasonable label. Most typically this happens if a device tree node just defines gpios = <...> and not foo-gpios = <...>, the former gets named "foo" and the latter gets named "?". However the struct device passed in is always valid so let's just label the GPIO with dev_name() on the device if no proper label was passed. Cc: Reported-by: Jason Kridner <jkridner(a)beagleboard.org> Reported-by: Jason Kridner <jkridner(a)beagleboard.org> Signed-off-by: Linus Walleij <linus.walleij(a)linaro.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/gpio/gpiolib.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -3340,7 +3340,8 @@ struct gpio_desc *__must_check gpiod_get return desc; } - status = gpiod_request(desc, con_id); + /* If a connection label was passed use that, else use the device name as label */ + status = gpiod_request(desc, con_id ? con_id : dev_name(dev)); if (status < 0) return ERR_PTR(status); Patches currently in stable-queue which might be from linus.walleij(a)linaro.org are queue-4.14/gpio-label-descriptors-using-the-device-name.patch queue-4.14/gpio-thunderx-fix-error-return-code-in-thunderx_gpio_probe.patch queue-4.14/pinctrl-baytrail-enable-glitch-filter-for-gpios-used-as-interrupts.patch

7 years, 5 months

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Patch "EDAC, mv64x60: Fix an error handling path" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled EDAC, mv64x60: Fix an error handling path to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: edac-mv64x60-fix-an-error-handling-path.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> Date: Sun, 7 Jan 2018 21:54:00 +0100 Subject: EDAC, mv64x60: Fix an error handling path From: Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> [ Upstream commit 68fa24f9121c04ef146b5158f538c8b32f285be5 ] We should not call edac_mc_del_mc() if a corresponding call to edac_mc_add_mc() has not been performed yet. So here, we should go to err instead of err2 to branch at the right place of the error handling path. Signed-off-by: Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> Cc: linux-edac <linux-edac(a)vger.kernel.org> Link: http://lkml.kernel.org/r/20180107205400.14068-1-christophe.jaillet@wanadoo.… Signed-off-by: Borislav Petkov <bp(a)suse.de> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/edac/mv64x60_edac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/edac/mv64x60_edac.c +++ b/drivers/edac/mv64x60_edac.c @@ -758,7 +758,7 @@ static int mv64x60_mc_err_probe(struct p /* Non-ECC RAM? */ printk(KERN_WARNING "%s: No ECC DIMMs discovered\n", __func__); res = -ENODEV; - goto err2; + goto err; } edac_dbg(3, "init mci\n"); Patches currently in stable-queue which might be from christophe.jaillet(a)wanadoo.fr are queue-4.14/edac-mv64x60-fix-an-error-handling-path.patch queue-4.14/asoc-intel-sst-fix-the-return-value-of-sst_send_byte_stream_mrfld.patch

7 years, 5 months

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Patch "cxgb4vf: Fix SGE FL buffer initialization logic for 64K pages" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled cxgb4vf: Fix SGE FL buffer initialization logic for 64K pages to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: cxgb4vf-fix-sge-fl-buffer-initialization-logic-for-64k-pages.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Arjun Vynipadath <arjun(a)chelsio.com> Date: Wed, 10 Jan 2018 12:02:13 +0530 Subject: cxgb4vf: Fix SGE FL buffer initialization logic for 64K pages From: Arjun Vynipadath <arjun(a)chelsio.com> [ Upstream commit ea0a42109aee7b92e631c4eb3f2219fadf58acdd ] We'd come in with SGE_FL_BUFFER_SIZE[0] and [1] both equal to 64KB and the extant logic would flag that as an error. This was already fixed in cxgb4 driver with "92ddcc7 cxgb4: Fix some small bugs in t4_sge_init_soft() when our Page Size is 64KB". Original Work by: Casey Leedom <leedom(a)chelsio.com> Signed-off-by: Arjun Vynipadath <arjun(a)chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr(a)chelsio.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -2619,8 +2619,8 @@ void t4vf_sge_stop(struct adapter *adapt int t4vf_sge_init(struct adapter *adapter) { struct sge_params *sge_params = &adapter->params.sge; - u32 fl0 = sge_params->sge_fl_buffer_size[0]; - u32 fl1 = sge_params->sge_fl_buffer_size[1]; + u32 fl_small_pg = sge_params->sge_fl_buffer_size[0]; + u32 fl_large_pg = sge_params->sge_fl_buffer_size[1]; struct sge *s = &adapter->sge; /* @@ -2628,9 +2628,20 @@ int t4vf_sge_init(struct adapter *adapte * the Physical Function Driver. Ideally we should be able to deal * with _any_ configuration. Practice is different ... */ - if (fl0 != PAGE_SIZE || (fl1 != 0 && fl1 <= fl0)) { + + /* We only bother using the Large Page logic if the Large Page Buffer + * is larger than our Page Size Buffer. + */ + if (fl_large_pg <= fl_small_pg) + fl_large_pg = 0; + + /* The Page Size Buffer must be exactly equal to our Page Size and the + * Large Page Size Buffer should be 0 (per above) or a power of 2. + */ + if (fl_small_pg != PAGE_SIZE || + (fl_large_pg & (fl_large_pg - 1)) != 0) { dev_err(adapter->pdev_dev, "bad SGE FL buffer sizes [%d, %d]\n", - fl0, fl1); + fl_small_pg, fl_large_pg); return -EINVAL; } if ((sge_params->sge_control & RXPKTCPLMODE_F) != @@ -2642,8 +2653,8 @@ int t4vf_sge_init(struct adapter *adapte /* * Now translate the adapter parameters into our internal forms. */ - if (fl1) - s->fl_pg_order = ilog2(fl1) - PAGE_SHIFT; + if (fl_large_pg) + s->fl_pg_order = ilog2(fl_large_pg) - PAGE_SHIFT; s->stat_len = ((sge_params->sge_control & EGRSTATUSPAGESIZE_F) ? 128 : 64); s->pktshift = PKTSHIFT_G(sge_params->sge_control); Patches currently in stable-queue which might be from arjun(a)chelsio.com are queue-4.14/cxgb4vf-fix-sge-fl-buffer-initialization-logic-for-64k-pages.patch

7 years, 5 months

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Patch "crypto: aes-generic - build with -Os on gcc-7+" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled crypto: aes-generic - build with -Os on gcc-7+ to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: crypto-aes-generic-build-with-os-on-gcc-7.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Arnd Bergmann <arnd(a)arndb.de> Date: Wed, 3 Jan 2018 23:39:27 +0100 Subject: crypto: aes-generic - build with -Os on gcc-7+ From: Arnd Bergmann <arnd(a)arndb.de> [ Upstream commit 148b974deea927f5dbb6c468af2707b488bfa2de ] While testing other changes, I discovered that gcc-7.2.1 produces badly optimized code for aes_encrypt/aes_decrypt. This is especially true when CONFIG_UBSAN_SANITIZE_ALL is enabled, where it leads to extremely large stack usage that in turn might cause kernel stack overflows: crypto/aes_generic.c: In function 'aes_encrypt': crypto/aes_generic.c:1371:1: warning: the frame size of 4880 bytes is larger than 2048 bytes [-Wframe-larger-than=] crypto/aes_generic.c: In function 'aes_decrypt': crypto/aes_generic.c:1441:1: warning: the frame size of 4864 bytes is larger than 2048 bytes [-Wframe-larger-than=] I verified that this problem exists on all architectures that are supported by gcc-7.2, though arm64 in particular is less affected than the others. I also found that gcc-7.1 and gcc-8 do not show the extreme stack usage but still produce worse code than earlier versions for this file, apparently because of optimization passes that generally provide a substantial improvement in object code quality but understandably fail to find any shortcuts in the AES algorithm. Possible workarounds include a) disabling -ftree-pre and -ftree-sra optimizations, this was an earlier patch I tried, which reliably fixed the stack usage, but caused a serious performance regression in some versions, as later testing found. b) disabling UBSAN on this file or all ciphers, as suggested by Ard Biesheuvel. This would lead to massively better crypto performance in UBSAN-enabled kernels and avoid the stack usage, but there is a concern over whether we should exclude arbitrary files from UBSAN at all. c) Forcing the optimization level in a different way. Similar to a), but rather than deselecting specific optimization stages, this now uses "gcc -Os" for this file, regardless of the CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE/SIZE option. This is a reliable workaround for the stack consumption on all architecture, and I've retested the performance results now on x86, cycles/byte (lower is better) for cbc(aes-generic) with 256 bit keys: -O2 -Os gcc-6.3.1 14.9 15.1 gcc-7.0.1 14.7 15.3 gcc-7.1.1 15.3 14.7 gcc-7.2.1 16.8 15.9 gcc-8.0.0 15.5 15.6 This implements the option c) by enabling forcing -Os on all compiler versions starting with gcc-7.1. As a workaround for PR83356, it would only be needed for gcc-7.2+ with UBSAN enabled, but since it also shows better performance on gcc-7.1 without UBSAN, it seems appropriate to use the faster version here as well. Side note: during testing, I also played with the AES code in libressl, which had a similar performance regression from gcc-6 to gcc-7.2, but was three times slower overall. It might be interesting to investigate that further and possibly port the Linux implementation into that. Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83356 Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83651 Cc: Richard Biener <rguenther(a)suse.de> Cc: Jakub Jelinek <jakub(a)gcc.gnu.org> Cc: Ard Biesheuvel <ard.biesheuvel(a)linaro.org> Signed-off-by: Arnd Bergmann <arnd(a)arndb.de> Acked-by: Ard Biesheuvel <ard.biesheuvel(a)linaro.org> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- crypto/Makefile | 1 + 1 file changed, 1 insertion(+) --- a/crypto/Makefile +++ b/crypto/Makefile @@ -98,6 +98,7 @@ obj-$(CONFIG_CRYPTO_TWOFISH_COMMON) += t obj-$(CONFIG_CRYPTO_SERPENT) += serpent_generic.o CFLAGS_serpent_generic.o := $(call cc-option,-fsched-pressure) # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79149 obj-$(CONFIG_CRYPTO_AES) += aes_generic.o +CFLAGS_aes_generic.o := $(call cc-ifversion, -ge, 0701, -Os) # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83356 obj-$(CONFIG_CRYPTO_AES_TI) += aes_ti.o obj-$(CONFIG_CRYPTO_CAMELLIA) += camellia_generic.o obj-$(CONFIG_CRYPTO_CAST_COMMON) += cast_common.o Patches currently in stable-queue which might be from arnd(a)arndb.de are queue-4.14/crypto-aes-generic-build-with-os-on-gcc-7.patch

7 years, 5 months

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Patch "clk: sunxi-ng: a83t: Add M divider to TCON1 clock" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled clk: sunxi-ng: a83t: Add M divider to TCON1 clock to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: clk-sunxi-ng-a83t-add-m-divider-to-tcon1-clock.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: "Jernej Škrabec" <jernej.skrabec(a)siol.net> Date: Sat, 30 Dec 2017 22:01:54 +0100 Subject: clk: sunxi-ng: a83t: Add M divider to TCON1 clock From: "Jernej Škrabec" <jernej.skrabec(a)siol.net> [ Upstream commit 7dbc7f5f4904cfddc199af171ea095490a434f15 ] TCON1 also has M divider, contrary to TCON0. And the mux is only 2 bits wide, instead of 3. Fixes: 05359be1176b ("clk: sunxi-ng: Add driver for A83T CCU") Signed-off-by: Jernej Skrabec <jernej.skrabec(a)siol.net> [wens(a)csie.org: Add description about mux width difference] Signed-off-by: Chen-Yu Tsai <wens(a)csie.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/clk/sunxi-ng/ccu-sun8i-a83t.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c @@ -493,8 +493,8 @@ static SUNXI_CCU_MUX_WITH_GATE(tcon0_clk 0x118, 24, 3, BIT(31), CLK_SET_RATE_PARENT); static const char * const tcon1_parents[] = { "pll-video1" }; -static SUNXI_CCU_MUX_WITH_GATE(tcon1_clk, "tcon1", tcon1_parents, - 0x11c, 24, 3, BIT(31), CLK_SET_RATE_PARENT); +static SUNXI_CCU_M_WITH_MUX_GATE(tcon1_clk, "tcon1", tcon1_parents, + 0x11c, 0, 4, 24, 2, BIT(31), CLK_SET_RATE_PARENT); static SUNXI_CCU_GATE(csi_misc_clk, "csi-misc", "osc24M", 0x130, BIT(16), 0); Patches currently in stable-queue which might be from jernej.skrabec(a)siol.net are queue-4.14/clk-sunxi-ng-a83t-add-m-divider-to-tcon1-clock.patch

7 years, 5 months

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Patch "clk: sunxi-ng: fix the A64/H5 clock description of DE2 CCU" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled clk: sunxi-ng: fix the A64/H5 clock description of DE2 CCU to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: clk-sunxi-ng-fix-the-a64-h5-clock-description-of-de2-ccu.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Icenowy Zheng <icenowy(a)aosc.io> Date: Fri, 22 Dec 2017 20:22:35 +0800 Subject: clk: sunxi-ng: fix the A64/H5 clock description of DE2 CCU From: Icenowy Zheng <icenowy(a)aosc.io> [ Upstream commit cf4881c1293516c1975606e8f2af7948789168b8 ] The clocks of A64/H5 SoCs in the DE2 CCU is the same as the clocks in H3 DE2 CCU rather than the A83T DE2 CCU (the parent of them is the DE module clock). Fix this by change the clock descriptions to use the clocks of H3. Fixes: 763c5bd045b1 ("clk: sunxi-ng: add support for DE2 CCU") Signed-off-by: Icenowy Zheng <icenowy(a)aosc.io> Signed-off-by: Chen-Yu Tsai <wens(a)csie.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/clk/sunxi-ng/ccu-sun8i-de2.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c @@ -129,10 +129,10 @@ static const struct sunxi_ccu_desc sun8i }; static const struct sunxi_ccu_desc sun50i_a64_de2_clk_desc = { - .ccu_clks = sun8i_a83t_de2_clks, - .num_ccu_clks = ARRAY_SIZE(sun8i_a83t_de2_clks), + .ccu_clks = sun8i_h3_de2_clks, + .num_ccu_clks = ARRAY_SIZE(sun8i_h3_de2_clks), - .hw_clks = &sun8i_a83t_de2_hw_clks, + .hw_clks = &sun8i_h3_de2_hw_clks, .resets = sun50i_a64_de2_resets, .num_resets = ARRAY_SIZE(sun50i_a64_de2_resets), Patches currently in stable-queue which might be from icenowy(a)aosc.io are queue-4.14/clk-sunxi-ng-fix-the-a64-h5-clock-description-of-de2-ccu.patch

7 years, 5 months

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Patch "clk: meson: mpll: use 64-bit maths in params_from_rate" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled clk: meson: mpll: use 64-bit maths in params_from_rate to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: clk-meson-mpll-use-64-bit-maths-in-params_from_rate.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Martin Blumenstingl <martin.blumenstingl(a)googlemail.com> Date: Sat, 23 Dec 2017 22:38:32 +0100 Subject: clk: meson: mpll: use 64-bit maths in params_from_rate From: Martin Blumenstingl <martin.blumenstingl(a)googlemail.com> [ Upstream commit 86aacdca66774051cbc0958110a48074b57a060b ] "rem * SDM_DEN" can easily overflow on the 32-bit Meson8 and Meson8b SoCs if the "remainder" (after the division operation) is greater than 262143Hz. This is likely to happen since the input clock for the MPLLs on Meson8 and Meson8b is "fixed_pll", which is running at a rate of 2550MHz. One example where this was observed to be problematic was the Ethernet clock calculation (which takes MPLL2 as input). When requesting a rate of 125MHz there is a remainder of 2500000Hz. The resulting MPLL2 rate before this patch was 127488329Hz. The resulting MPLL2 rate after this patch is 124999103Hz. Commit b609338b26f5 ("clk: meson: mpll: use 64bit math in rate_from_params") already fixed a similar issue in rate_from_params. Fixes: 007e6e5c5f01d3 ("clk: meson: mpll: add rw operation") Signed-off-by: Martin Blumenstingl <martin.blumenstingl(a)googlemail.com> Signed-off-by: Jerome Brunet <jbrunet(a)baylibre.com> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/clk/meson/clk-mpll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/clk/meson/clk-mpll.c +++ b/drivers/clk/meson/clk-mpll.c @@ -98,7 +98,7 @@ static void params_from_rate(unsigned lo *sdm = SDM_DEN - 1; } else { *n2 = div; - *sdm = DIV_ROUND_UP(rem * SDM_DEN, requested_rate); + *sdm = DIV_ROUND_UP_ULL((u64)rem * SDM_DEN, requested_rate); } } Patches currently in stable-queue which might be from martin.blumenstingl(a)googlemail.com are queue-4.14/clk-meson-mpll-use-64-bit-maths-in-params_from_rate.patch

7 years, 5 months

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Patch "Bluetooth: Add a new 04ca:3015 QCA_ROME device" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled Bluetooth: Add a new 04ca:3015 QCA_ROME device to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: bluetooth-add-a-new-04ca-3015-qca_rome-device.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Ioan Moldovan <ioan.moldovan1999(a)gmail.com> Date: Mon, 28 Aug 2017 18:09:39 +0300 Subject: Bluetooth: Add a new 04ca:3015 QCA_ROME device From: Ioan Moldovan <ioan.moldovan1999(a)gmail.com> [ Upstream commit 0a03f98b98c201191e3ba15a0e33f46d8660e1fd ] This patch adds the 04ca:3015 (from a QCA9377 board) Bluetooth device to the btusb blacklist and makes the kernel use the btqca module instead of btusb. The patch is necessary because, without it the 04ca:3015 device defaults to using the btusb driver, which makes the WIFI side of the QCA9377 board unusable (obtains 0 MBps in speedtest, when the 04ca:3015 bluetooth is used with an audio headset). /sys/kernel/debug/usb/devices: T: Bus=01 Lev=01 Prnt=01 Port=04 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 2.01 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=04ca ProdID=3015 Rev= 0.01 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms Signed-off-by: Ioan Moldovan <ioan.moldovan1999(a)gmail.com> Signed-off-by: Johan Hedberg <johan.hedberg(a)intel.com> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/bluetooth/btusb.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -277,6 +277,7 @@ static const struct usb_device_id blackl { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME }, { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME }, { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME }, + { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME }, { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME }, /* Broadcom BCM2035 */ Patches currently in stable-queue which might be from ioan.moldovan1999(a)gmail.com are queue-4.14/bluetooth-add-a-new-04ca-3015-qca_rome-device.patch

7 years, 5 months

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Patch "clk: divider: fix incorrect usage of container_of" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled clk: divider: fix incorrect usage of container_of to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: clk-divider-fix-incorrect-usage-of-container_of.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Jerome Brunet <jbrunet(a)baylibre.com> Date: Thu, 21 Dec 2017 17:30:54 +0100 Subject: clk: divider: fix incorrect usage of container_of From: Jerome Brunet <jbrunet(a)baylibre.com> [ Upstream commit 12a26c298d2a8b1cab498533fa65198e49e3afd3 ] divider_recalc_rate() is an helper function used by clock divider of different types, so the structure containing the 'hw' pointer is not always a 'struct clk_divider' At the following line: > div = _get_div(table, val, flags, divider->width); in several cases, the value of 'divider->width' is garbage as the actual structure behind this memory is not a 'struct clk_divider' Fortunately, this width value is used by _get_val() only when CLK_DIVIDER_MAX_AT_ZERO flag is set. This has never been the case so far when the structure is not a 'struct clk_divider'. This is probably why we did not notice this bug before Fixes: afe76c8fd030 ("clk: allow a clk divider with max divisor when zero") Signed-off-by: Jerome Brunet <jbrunet(a)baylibre.com> Acked-by: Alexandre Belloni <alexandre.belloni(a)free-electrons.com> Acked-by: Sylvain Lemieux <slemieux.tyco(a)gmail.com> Signed-off-by: Stephen Boyd <sboyd(a)codeaurora.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/clk/clk-divider.c | 7 +++---- drivers/clk/hisilicon/clkdivider-hi6220.c | 2 +- drivers/clk/nxp/clk-lpc32xx.c | 2 +- drivers/clk/qcom/clk-regmap-divider.c | 2 +- drivers/clk/sunxi-ng/ccu_div.c | 2 +- drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c | 2 +- drivers/rtc/rtc-ac100.c | 6 ++++-- include/linux/clk-provider.h | 2 +- 8 files changed, 13 insertions(+), 12 deletions(-) --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c @@ -118,12 +118,11 @@ static unsigned int _get_val(const struc unsigned long divider_recalc_rate(struct clk_hw *hw, unsigned long parent_rate, unsigned int val, const struct clk_div_table *table, - unsigned long flags) + unsigned long flags, unsigned long width) { - struct clk_divider *divider = to_clk_divider(hw); unsigned int div; - div = _get_div(table, val, flags, divider->width); + div = _get_div(table, val, flags, width); if (!div) { WARN(!(flags & CLK_DIVIDER_ALLOW_ZERO), "%s: Zero divisor and CLK_DIVIDER_ALLOW_ZERO not set\n", @@ -145,7 +144,7 @@ static unsigned long clk_divider_recalc_ val &= div_mask(divider->width); return divider_recalc_rate(hw, parent_rate, val, divider->table, - divider->flags); + divider->flags, divider->width); } static bool _is_valid_table_div(const struct clk_div_table *table, --- a/drivers/clk/hisilicon/clkdivider-hi6220.c +++ b/drivers/clk/hisilicon/clkdivider-hi6220.c @@ -56,7 +56,7 @@ static unsigned long hi6220_clkdiv_recal val &= div_mask(dclk->width); return divider_recalc_rate(hw, parent_rate, val, dclk->table, - CLK_DIVIDER_ROUND_CLOSEST); + CLK_DIVIDER_ROUND_CLOSEST, dclk->width); } static long hi6220_clkdiv_round_rate(struct clk_hw *hw, unsigned long rate, --- a/drivers/clk/nxp/clk-lpc32xx.c +++ b/drivers/clk/nxp/clk-lpc32xx.c @@ -956,7 +956,7 @@ static unsigned long clk_divider_recalc_ val &= div_mask(divider->width); return divider_recalc_rate(hw, parent_rate, val, divider->table, - divider->flags); + divider->flags, divider->width); } static long clk_divider_round_rate(struct clk_hw *hw, unsigned long rate, --- a/drivers/clk/qcom/clk-regmap-divider.c +++ b/drivers/clk/qcom/clk-regmap-divider.c @@ -59,7 +59,7 @@ static unsigned long div_recalc_rate(str div &= BIT(divider->width) - 1; return divider_recalc_rate(hw, parent_rate, div, NULL, - CLK_DIVIDER_ROUND_CLOSEST); + CLK_DIVIDER_ROUND_CLOSEST, divider->width); } const struct clk_ops clk_regmap_div_ops = { --- a/drivers/clk/sunxi-ng/ccu_div.c +++ b/drivers/clk/sunxi-ng/ccu_div.c @@ -71,7 +71,7 @@ static unsigned long ccu_div_recalc_rate parent_rate); val = divider_recalc_rate(hw, parent_rate, val, cd->div.table, - cd->div.flags); + cd->div.flags, cd->div.width); if (cd->common.features & CCU_FEATURE_FIXED_POSTDIV) val /= cd->fixed_post_div; --- a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c @@ -698,7 +698,7 @@ static unsigned long dsi_pll_14nm_postdi val &= div_mask(width); return divider_recalc_rate(hw, parent_rate, val, NULL, - postdiv->flags); + postdiv->flags, width); } static long dsi_pll_14nm_postdiv_round_rate(struct clk_hw *hw, --- a/drivers/rtc/rtc-ac100.c +++ b/drivers/rtc/rtc-ac100.c @@ -137,13 +137,15 @@ static unsigned long ac100_clkout_recalc div = (reg >> AC100_CLKOUT_PRE_DIV_SHIFT) & ((1 << AC100_CLKOUT_PRE_DIV_WIDTH) - 1); prate = divider_recalc_rate(hw, prate, div, - ac100_clkout_prediv, 0); + ac100_clkout_prediv, 0, + AC100_CLKOUT_PRE_DIV_WIDTH); } div = (reg >> AC100_CLKOUT_DIV_SHIFT) & (BIT(AC100_CLKOUT_DIV_WIDTH) - 1); return divider_recalc_rate(hw, prate, div, NULL, - CLK_DIVIDER_POWER_OF_TWO); + CLK_DIVIDER_POWER_OF_TWO, + AC100_CLKOUT_DIV_WIDTH); } static long ac100_clkout_round_rate(struct clk_hw *hw, unsigned long rate, --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -412,7 +412,7 @@ extern const struct clk_ops clk_divider_ unsigned long divider_recalc_rate(struct clk_hw *hw, unsigned long parent_rate, unsigned int val, const struct clk_div_table *table, - unsigned long flags); + unsigned long flags, unsigned long width); long divider_round_rate_parent(struct clk_hw *hw, struct clk_hw *parent, unsigned long rate, unsigned long *prate, const struct clk_div_table *table, Patches currently in stable-queue which might be from jbrunet(a)baylibre.com are queue-4.14/clk-divider-fix-incorrect-usage-of-container_of.patch queue-4.14/clk-meson-mpll-use-64-bit-maths-in-params_from_rate.patch

7 years, 5 months

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Patch "block, bfq: put async queues for root bfq groups too" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled block, bfq: put async queues for root bfq groups too to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: block-bfq-put-async-queues-for-root-bfq-groups-too.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Paolo Valente <paolo.valente(a)linaro.org> Date: Tue, 9 Jan 2018 10:27:58 +0100 Subject: block, bfq: put async queues for root bfq groups too From: Paolo Valente <paolo.valente(a)linaro.org> [ Upstream commit 52257ffbfcaf58d247b13fb148e27ed17c33e526 ] For each pair [device for which bfq is selected as I/O scheduler, group in blkio/io], bfq maintains a corresponding bfq group. Each such bfq group contains a set of async queues, with each async queue created on demand, i.e., when some I/O request arrives for it. On creation, an async queue gets an extra reference, to make sure that the queue is not freed as long as its bfq group exists. Accordingly, to allow the queue to be freed after the group exited, this extra reference must released on group exit. The above holds also for a bfq root group, i.e., for the bfq group corresponding to the root blkio/io root for a given device. Yet, by mistake, the references to the existing async queues of a root group are not released when the latter exits. This causes a memory leak when the instance of bfq for a given device exits. In a similar vein, bfqg_stats_xfer_dead is not executed for a root group. This commit fixes bfq_pd_offline so that the latter executes the above missing operations for a root group too. Reported-by: Holger Hoffstätte <holger(a)applied-asynchrony.com> Reported-by: Guoqing Jiang <gqjiang(a)suse.com> Tested-by: Holger Hoffstätte <holger(a)applied-asynchrony.com> Signed-off-by: Davide Ferrari <davideferrari8(a)gmail.com> Signed-off-by: Paolo Valente <paolo.valente(a)linaro.org> Signed-off-by: Jens Axboe <axboe(a)kernel.dk> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- block/bfq-cgroup.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/block/bfq-cgroup.c +++ b/block/bfq-cgroup.c @@ -749,10 +749,11 @@ static void bfq_pd_offline(struct blkg_p unsigned long flags; int i; + spin_lock_irqsave(&bfqd->lock, flags); + if (!entity) /* root group */ - return; + goto put_async_queues; - spin_lock_irqsave(&bfqd->lock, flags); /* * Empty all service_trees belonging to this group before * deactivating the group itself. @@ -783,6 +784,8 @@ static void bfq_pd_offline(struct blkg_p } __bfq_deactivate_entity(entity, false); + +put_async_queues: bfq_put_async_queues(bfqd, bfqg); spin_unlock_irqrestore(&bfqd->lock, flags); Patches currently in stable-queue which might be from paolo.valente(a)linaro.org are queue-4.14/block-bfq-put-async-queues-for-root-bfq-groups-too.patch

7 years, 5 months

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Patch "blk-mq: fix kernel oops in blk_mq_tag_idle()" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled blk-mq: fix kernel oops in blk_mq_tag_idle() to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: blk-mq-fix-kernel-oops-in-blk_mq_tag_idle.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Ming Lei <ming.lei(a)redhat.com> Date: Tue, 9 Jan 2018 21:28:29 +0800 Subject: blk-mq: fix kernel oops in blk_mq_tag_idle() From: Ming Lei <ming.lei(a)redhat.com> [ Upstream commit 8ab0b7dc73e1b3e2987d42554b2bff503f692772 ] HW queues may be unmapped in some cases, such as blk_mq_update_nr_hw_queues(), then we need to check it before calling blk_mq_tag_idle(), otherwise the following kernel oops can be triggered, so fix it by checking if the hw queue is unmapped since it doesn't make sense to idle the tags any more after hw queues are unmapped. [ 440.771298] Workqueue: nvme-wq nvme_rdma_del_ctrl_work [nvme_rdma] [ 440.779104] task: ffff894bae755ee0 ti: ffff893bf9bc8000 task.ti: ffff893bf9bc8000 [ 440.788359] RIP: 0010:[<ffffffffb730e2b4>] [<ffffffffb730e2b4>] __blk_mq_tag_idle+0x24/0x40 [ 440.798697] RSP: 0018:ffff893bf9bcbd10 EFLAGS: 00010286 [ 440.805538] RAX: 0000000000000000 RBX: ffff895bb131dc00 RCX: 000000000000011f [ 440.814426] RDX: 00000000ffffffff RSI: 0000000000000120 RDI: ffff895bb131dc00 [ 440.823301] RBP: ffff893bf9bcbd10 R08: 000000000001b860 R09: 4a51d361c00c0000 [ 440.832193] R10: b5907f32b4cc7003 R11: ffffd6cabfb57000 R12: ffff894bafd1e008 [ 440.841091] R13: 0000000000000001 R14: ffff895baf770000 R15: 0000000000000080 [ 440.849988] FS: 0000000000000000(0000) GS:ffff894bbdcc0000(0000) knlGS:0000000000000000 [ 440.859955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 440.867274] CR2: 0000000000000008 CR3: 000000103d098000 CR4: 00000000001407e0 [ 440.876169] Call Trace: [ 440.879818] [<ffffffffb7309d68>] blk_mq_exit_hctx+0xd8/0xe0 [ 440.887051] [<ffffffffb730dc40>] blk_mq_free_queue+0xf0/0x160 [ 440.894465] [<ffffffffb72ff679>] blk_cleanup_queue+0xd9/0x150 [ 440.901881] [<ffffffffc08a802b>] nvme_ns_remove+0x5b/0xb0 [nvme_core] [ 440.910068] [<ffffffffc08a811b>] nvme_remove_namespaces+0x3b/0x60 [nvme_core] [ 440.919026] [<ffffffffc08b817b>] __nvme_rdma_remove_ctrl+0x2b/0xb0 [nvme_rdma] [ 440.928079] [<ffffffffc08b8237>] nvme_rdma_del_ctrl_work+0x17/0x20 [nvme_rdma] [ 440.937126] [<ffffffffb70ab58a>] process_one_work+0x17a/0x440 [ 440.944517] [<ffffffffb70ac3a8>] worker_thread+0x278/0x3c0 [ 440.951607] [<ffffffffb70ac130>] ? manage_workers.isra.24+0x2a0/0x2a0 [ 440.959760] [<ffffffffb70b352f>] kthread+0xcf/0xe0 [ 440.966055] [<ffffffffb70b3460>] ? insert_kthread_work+0x40/0x40 [ 440.973715] [<ffffffffb76d8658>] ret_from_fork+0x58/0x90 [ 440.980586] [<ffffffffb70b3460>] ? insert_kthread_work+0x40/0x40 [ 440.988229] Code: 5b 41 5c 5d c3 66 90 0f 1f 44 00 00 48 8b 87 20 01 00 00 f0 0f ba 77 40 01 19 d2 85 d2 75 08 c3 0f 1f 80 00 00 00 00 55 48 89 e5 <f0> ff 48 08 48 8d 78 10 e8 7f 0f 05 00 5d c3 0f 1f 00 66 2e 0f [ 441.011620] RIP [<ffffffffb730e2b4>] __blk_mq_tag_idle+0x24/0x40 [ 441.019301] RSP <ffff893bf9bcbd10> [ 441.024052] CR2: 0000000000000008 Reported-by: Zhang Yi <yizhan(a)redhat.com> Tested-by: Zhang Yi <yizhan(a)redhat.com> Signed-off-by: Ming Lei <ming.lei(a)redhat.com> Signed-off-by: Jens Axboe <axboe(a)kernel.dk> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- block/blk-mq.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1928,7 +1928,8 @@ static void blk_mq_exit_hctx(struct requ { blk_mq_debugfs_unregister_hctx(hctx); - blk_mq_tag_idle(hctx); + if (blk_mq_hw_queue_mapped(hctx)) + blk_mq_tag_idle(hctx); if (set->ops->exit_request) set->ops->exit_request(set, hctx->fq->flush_rq, hctx_idx); Patches currently in stable-queue which might be from ming.lei(a)redhat.com are queue-4.14/blk-mq-avoid-to-map-cpu-into-stale-hw-queue.patch queue-4.14/blk-mq-fix-kernel-oops-in-blk_mq_tag_idle.patch queue-4.14/blk-mq-fix-race-between-updating-nr_hw_queues-and-switching-io-sched.patch

7 years, 5 months

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Patch "blk-mq: fix race between updating nr_hw_queues and switching io sched" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled blk-mq: fix race between updating nr_hw_queues and switching io sched to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: blk-mq-fix-race-between-updating-nr_hw_queues-and-switching-io-sched.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Ming Lei <ming.lei(a)redhat.com> Date: Sat, 6 Jan 2018 16:27:40 +0800 Subject: blk-mq: fix race between updating nr_hw_queues and switching io sched From: Ming Lei <ming.lei(a)redhat.com> [ Upstream commit fb350e0ad99359768e1e80b4784692031ec340e4 ] In both elevator_switch_mq() and blk_mq_update_nr_hw_queues(), sched tags can be allocated, and q->nr_hw_queue is used, and race is inevitable, for example: blk_mq_init_sched() may trigger use-after-free on hctx, which is freed in blk_mq_realloc_hw_ctxs() when nr_hw_queues is decreased. This patch fixes the race be holding q->sysfs_lock. Reviewed-by: Christoph Hellwig <hch(a)lst.de> Reported-by: Yi Zhang <yi.zhang(a)redhat.com> Tested-by: Yi Zhang <yi.zhang(a)redhat.com> Signed-off-by: Ming Lei <ming.lei(a)redhat.com> Signed-off-by: Jens Axboe <axboe(a)kernel.dk> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- block/blk-mq.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2314,6 +2314,9 @@ static void blk_mq_realloc_hw_ctxs(struc struct blk_mq_hw_ctx **hctxs = q->queue_hw_ctx; blk_mq_sysfs_unregister(q); + + /* protect against switching io scheduler */ + mutex_lock(&q->sysfs_lock); for (i = 0; i < set->nr_hw_queues; i++) { int node; @@ -2358,6 +2361,7 @@ static void blk_mq_realloc_hw_ctxs(struc } } q->nr_hw_queues = i; + mutex_unlock(&q->sysfs_lock); blk_mq_sysfs_register(q); } Patches currently in stable-queue which might be from ming.lei(a)redhat.com are queue-4.14/blk-mq-avoid-to-map-cpu-into-stale-hw-queue.patch queue-4.14/blk-mq-fix-kernel-oops-in-blk_mq_tag_idle.patch queue-4.14/blk-mq-fix-race-between-updating-nr_hw_queues-and-switching-io-sched.patch

7 years, 5 months

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Patch "blk-mq: avoid to map CPU into stale hw queue" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled blk-mq: avoid to map CPU into stale hw queue to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: blk-mq-avoid-to-map-cpu-into-stale-hw-queue.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Ming Lei <ming.lei(a)redhat.com> Date: Sat, 6 Jan 2018 16:27:39 +0800 Subject: blk-mq: avoid to map CPU into stale hw queue From: Ming Lei <ming.lei(a)redhat.com> [ Upstream commit 7d4901a90d02500c8011472a060f9b2e60e6e605 ] blk_mq_pci_map_queues() may not map one CPU into any hw queue, but its previous map isn't cleared yet, and may point to one stale hw queue index. This patch fixes the following issue by clearing the mapping table before setting it up in blk_mq_pci_map_queues(). This patches fixes this following issue reported by Zhang Yi: [ 101.202734] BUG: unable to handle kernel NULL pointer dereference at 0000000094d3013f [ 101.211487] IP: blk_mq_map_swqueue+0xbc/0x200 [ 101.216346] PGD 0 P4D 0 [ 101.219171] Oops: 0000 [#1] SMP [ 101.222674] Modules linked in: sunrpc ipmi_ssif vfat fat intel_rapl sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_uncore mxm_wmi intel_rapl_perf iTCO_wdt ipmi_si ipmi_devintf pcspkr iTCO_vendor_support sg dcdbas ipmi_msghandler wmi mei_me lpc_ich shpchp mei acpi_power_meter dm_multipath ip_tables xfs libcrc32c sd_mod mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm ahci libahci crc32c_intel libata tg3 nvme nvme_core megaraid_sas ptp i2c_core pps_core dm_mirror dm_region_hash dm_log dm_mod [ 101.284881] CPU: 0 PID: 504 Comm: kworker/u25:5 Not tainted 4.15.0-rc2 #1 [ 101.292455] Hardware name: Dell Inc. PowerEdge R730xd/072T6D, BIOS 2.5.5 08/16/2017 [ 101.301001] Workqueue: nvme-wq nvme_reset_work [nvme] [ 101.306636] task: 00000000f2c53190 task.stack: 000000002da874f9 [ 101.313241] RIP: 0010:blk_mq_map_swqueue+0xbc/0x200 [ 101.318681] RSP: 0018:ffffc9000234fd70 EFLAGS: 00010282 [ 101.324511] RAX: ffff88047ffc9480 RBX: ffff88047e130850 RCX: 0000000000000000 [ 101.332471] RDX: ffffe8ffffd40580 RSI: ffff88047e509b40 RDI: ffff88046f37a008 [ 101.340432] RBP: 000000000000000b R08: ffff88046f37a008 R09: 0000000011f94280 [ 101.348392] R10: ffff88047ffd4d00 R11: 0000000000000000 R12: ffff88046f37a008 [ 101.356353] R13: ffff88047e130f38 R14: 000000000000000b R15: ffff88046f37a558 [ 101.364314] FS: 0000000000000000(0000) GS:ffff880277c00000(0000) knlGS:0000000000000000 [ 101.373342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.379753] CR2: 0000000000000098 CR3: 000000047f409004 CR4: 00000000001606f0 [ 101.387714] Call Trace: [ 101.390445] blk_mq_update_nr_hw_queues+0xbf/0x130 [ 101.395791] nvme_reset_work+0x6f4/0xc06 [nvme] [ 101.400848] ? pick_next_task_fair+0x290/0x5f0 [ 101.405807] ? __switch_to+0x1f5/0x430 [ 101.409988] ? put_prev_entity+0x2f/0xd0 [ 101.414365] process_one_work+0x141/0x340 [ 101.418836] worker_thread+0x47/0x3e0 [ 101.422921] kthread+0xf5/0x130 [ 101.426424] ? rescuer_thread+0x380/0x380 [ 101.430896] ? kthread_associate_blkcg+0x90/0x90 [ 101.436048] ret_from_fork+0x1f/0x30 [ 101.440034] Code: 48 83 3c ca 00 0f 84 2b 01 00 00 48 63 cd 48 8b 93 10 01 00 00 8b 0c 88 48 8b 83 20 01 00 00 4a 03 14 f5 60 04 af 81 48 8b 0c c8 <48> 8b 81 98 00 00 00 f0 4c 0f ab 30 8b 81 f8 00 00 00 89 42 44 [ 101.461116] RIP: blk_mq_map_swqueue+0xbc/0x200 RSP: ffffc9000234fd70 [ 101.468205] CR2: 0000000000000098 [ 101.471907] ---[ end trace 5fe710f98228a3ca ]--- [ 101.482489] Kernel panic - not syncing: Fatal exception [ 101.488505] Kernel Offset: disabled [ 101.497752] ---[ end Kernel panic - not syncing: Fatal exception Reviewed-by: Christoph Hellwig <hch(a)lst.de> Suggested-by: Christoph Hellwig <hch(a)lst.de> Reported-by: Yi Zhang <yi.zhang(a)redhat.com> Tested-by: Yi Zhang <yi.zhang(a)redhat.com> Signed-off-by: Ming Lei <ming.lei(a)redhat.com> Signed-off-by: Jens Axboe <axboe(a)kernel.dk> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- block/blk-mq.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2528,9 +2528,27 @@ static int blk_mq_alloc_rq_maps(struct b static int blk_mq_update_queue_map(struct blk_mq_tag_set *set) { - if (set->ops->map_queues) + if (set->ops->map_queues) { + int cpu; + /* + * transport .map_queues is usually done in the following + * way: + * + * for (queue = 0; queue < set->nr_hw_queues; queue++) { + * mask = get_cpu_mask(queue) + * for_each_cpu(cpu, mask) + * set->mq_map[cpu] = queue; + * } + * + * When we need to remap, the table has to be cleared for + * killing stale mapping since one CPU may not be mapped + * to any hw queue. + */ + for_each_possible_cpu(cpu) + set->mq_map[cpu] = 0; + return set->ops->map_queues(set); - else + } else return blk_mq_map_queues(set); } Patches currently in stable-queue which might be from ming.lei(a)redhat.com are queue-4.14/blk-mq-avoid-to-map-cpu-into-stale-hw-queue.patch queue-4.14/blk-mq-fix-kernel-oops-in-blk_mq_tag_idle.patch queue-4.14/blk-mq-fix-race-between-updating-nr_hw_queues-and-switching-io-sched.patch

7 years, 5 months

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Patch "bcache: stop writeback thread after detaching" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled bcache: stop writeback thread after detaching to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: bcache-stop-writeback-thread-after-detaching.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Tang Junhui <tang.junhui(a)zte.com.cn> Date: Mon, 8 Jan 2018 12:21:19 -0800 Subject: bcache: stop writeback thread after detaching From: Tang Junhui <tang.junhui(a)zte.com.cn> [ Upstream commit 8d29c4426b9f8afaccf28de414fde8a722b35fdf ] Currently, when a cached device detaching from cache, writeback thread is not stopped, and writeback_rate_update work is not canceled. For example, after the following command: echo 1 >/sys/block/sdb/bcache/detach you can still see the writeback thread. Then you attach the device to the cache again, bcache will create another writeback thread, for example, after below command: echo ba0fb5cd-658a-4533-9806-6ce166d883b9 > /sys/block/sdb/bcache/attach then you will see 2 writeback threads. This patch stops writeback thread and cancels writeback_rate_update work when cached device detaching from cache. Compare with patch v1, this v2 patch moves code down into the register lock for safety in case of any future changes as Coly and Mike suggested. [edit by mlyle: commit log spelling/formatting] Signed-off-by: Tang Junhui <tang.junhui(a)zte.com.cn> Reviewed-by: Michael Lyle <mlyle(a)lyle.org> Signed-off-by: Michael Lyle <mlyle(a)lyle.org> Signed-off-by: Jens Axboe <axboe(a)kernel.dk> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/md/bcache/super.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -893,6 +893,12 @@ static void cached_dev_detach_finish(str mutex_lock(&bch_register_lock); + cancel_delayed_work_sync(&dc->writeback_rate_update); + if (!IS_ERR_OR_NULL(dc->writeback_thread)) { + kthread_stop(dc->writeback_thread); + dc->writeback_thread = NULL; + } + memset(&dc->sb.set_uuid, 0, 16); SET_BDEV_STATE(&dc->sb, BDEV_STATE_NONE); Patches currently in stable-queue which might be from tang.junhui(a)zte.com.cn are queue-4.14/bcache-segregate-flash-only-volume-write-streams.patch queue-4.14/bcache-stop-writeback-thread-after-detaching.patch

7 years, 5 months

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Patch "bcache: segregate flash only volume write streams" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled bcache: segregate flash only volume write streams to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: bcache-segregate-flash-only-volume-write-streams.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Tang Junhui <tang.junhui(a)zte.com.cn> Date: Mon, 8 Jan 2018 12:21:21 -0800 Subject: bcache: segregate flash only volume write streams From: Tang Junhui <tang.junhui(a)zte.com.cn> [ Upstream commit 4eca1cb28d8b0574ca4f1f48e9331c5f852d43b9 ] In such scenario that there are some flash only volumes , and some cached devices, when many tasks request these devices in writeback mode, the write IOs may fall to the same bucket as bellow: | cached data | flash data | cached data | cached data| flash data| then after writeback of these cached devices, the bucket would be like bellow bucket: | free | flash data | free | free | flash data | So, there are many free space in this bucket, but since data of flash only volumes still exists, so this bucket cannot be reclaimable, which would cause waste of bucket space. In this patch, we segregate flash only volume write streams from cached devices, so data from flash only volumes and cached devices can store in different buckets. Compare to v1 patch, this patch do not add a additionally open bucket list, and it is try best to segregate flash only volume write streams from cached devices, sectors of flash only volumes may still be mixed with dirty sectors of cached device, but the number is very small. [mlyle: fixed commit log formatting, permissions, line endings] Signed-off-by: Tang Junhui <tang.junhui(a)zte.com.cn> Reviewed-by: Michael Lyle <mlyle(a)lyle.org> Signed-off-by: Michael Lyle <mlyle(a)lyle.org> Signed-off-by: Jens Axboe <axboe(a)kernel.dk> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/md/bcache/alloc.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -515,15 +515,21 @@ struct open_bucket { /* * We keep multiple buckets open for writes, and try to segregate different - * write streams for better cache utilization: first we look for a bucket where - * the last write to it was sequential with the current write, and failing that - * we look for a bucket that was last used by the same task. + * write streams for better cache utilization: first we try to segregate flash + * only volume write streams from cached devices, secondly we look for a bucket + * where the last write to it was sequential with the current write, and + * failing that we look for a bucket that was last used by the same task. * * The ideas is if you've got multiple tasks pulling data into the cache at the * same time, you'll get better cache utilization if you try to segregate their * data and preserve locality. * - * For example, say you've starting Firefox at the same time you're copying a + * For example, dirty sectors of flash only volume is not reclaimable, if their + * dirty sectors mixed with dirty sectors of cached device, such buckets will + * be marked as dirty and won't be reclaimed, though the dirty data of cached + * device have been written back to backend device. + * + * And say you've starting Firefox at the same time you're copying a * bunch of files. Firefox will likely end up being fairly hot and stay in the * cache awhile, but the data you copied might not be; if you wrote all that * data to the same buckets it'd get invalidated at the same time. @@ -540,7 +546,10 @@ static struct open_bucket *pick_data_buc struct open_bucket *ret, *ret_task = NULL; list_for_each_entry_reverse(ret, &c->data_buckets, list) - if (!bkey_cmp(&ret->key, search)) + if (UUID_FLASH_ONLY(&c->uuids[KEY_INODE(&ret->key)]) != + UUID_FLASH_ONLY(&c->uuids[KEY_INODE(search)])) + continue; + else if (!bkey_cmp(&ret->key, search)) goto found; else if (ret->last_write_point == write_point) ret_task = ret; Patches currently in stable-queue which might be from tang.junhui(a)zte.com.cn are queue-4.14/bcache-segregate-flash-only-volume-write-streams.patch queue-4.14/bcache-stop-writeback-thread-after-detaching.patch

7 years, 5 months

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Patch "bcache: ret IOERR when read meets metadata error" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled bcache: ret IOERR when read meets metadata error to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: bcache-ret-ioerr-when-read-meets-metadata-error.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Rui Hua <huarui.dev(a)gmail.com> Date: Mon, 8 Jan 2018 12:21:18 -0800 Subject: bcache: ret IOERR when read meets metadata error From: Rui Hua <huarui.dev(a)gmail.com> [ Upstream commit b221fc130c49c50f4c2250d22e873420765a9fa2 ] The read request might meet error when searching the btree, but the error was not handled in cache_lookup(), and this kind of metadata failure will not go into cached_dev_read_error(), finally, the upper layer will receive bi_status=0. In this patch we judge the metadata error by the return value of bch_btree_map_keys(), there are two potential paths give rise to the error: 1. Because the btree is not totally cached in memery, we maybe get error when read btree node from cache device (see bch_btree_node_get()), the likely errno is -EIO, -ENOMEM 2. When read miss happens, bch_btree_insert_check_key() will be called to insert a "replace_key" to btree(see cached_dev_cache_miss(), just for doing preparatory work before insert the missed data to cache device), a failure can also happen in this situation, the likely errno is -ENOMEM bch_btree_map_keys() will return MAP_DONE in normal scenario, but we will get either -EIO or -ENOMEM in above two cases. if this happened, we should NOT recover data from backing device (when cache device is dirty) because we don't know whether bkeys the read request covered are all clean. And after that happened, s->iop.status is still its initially value(0) before we submit s->bio.bio, we set it to BLK_STS_IOERR, so it can go into cached_dev_read_error(), and finally it can be passed to upper layer, or recovered by reread from backing device. [edit by mlyle: patch formatting, word-wrap, comment spelling, commit log format] Signed-off-by: Hua Rui <huarui.dev(a)gmail.com> Reviewed-by: Michael Lyle <mlyle(a)lyle.org> Signed-off-by: Michael Lyle <mlyle(a)lyle.org> Signed-off-by: Jens Axboe <axboe(a)kernel.dk> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/md/bcache/request.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -568,6 +568,7 @@ static void cache_lookup(struct closure { struct search *s = container_of(cl, struct search, iop.cl); struct bio *bio = &s->bio.bio; + struct cached_dev *dc; int ret; bch_btree_op_init(&s->op, -1); @@ -580,6 +581,27 @@ static void cache_lookup(struct closure return; } + /* + * We might meet err when searching the btree, If that happens, we will + * get negative ret, in this scenario we should not recover data from + * backing device (when cache device is dirty) because we don't know + * whether bkeys the read request covered are all clean. + * + * And after that happened, s->iop.status is still its initial value + * before we submit s->bio.bio + */ + if (ret < 0) { + BUG_ON(ret == -EINTR); + if (s->d && s->d->c && + !UUID_FLASH_ONLY(&s->d->c->uuids[s->d->id])) { + dc = container_of(s->d, struct cached_dev, disk); + if (dc && atomic_read(&dc->has_dirty)) + s->recoverable = false; + } + if (!s->iop.status) + s->iop.status = BLK_STS_IOERR; + } + closure_return(cl); } Patches currently in stable-queue which might be from huarui.dev(a)gmail.com are queue-4.14/bcache-ret-ioerr-when-read-meets-metadata-error.patch

7 years, 5 months

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Patch "backlight: tdo24m: Fix the SPI CS between transfers" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled backlight: tdo24m: Fix the SPI CS between transfers to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: backlight-tdo24m-fix-the-spi-cs-between-transfers.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Robert Jarzmik <robert.jarzmik(a)free.fr> Date: Thu, 28 Dec 2017 09:27:41 +0100 Subject: backlight: tdo24m: Fix the SPI CS between transfers From: Robert Jarzmik <robert.jarzmik(a)free.fr> [ Upstream commit 2023b0524a6310e9ea80daf085f51c71bff9289f ] Currently the LCD display (TD035S) on the cm-x300 platform is broken and remains blank. The TD0245S specification requires that the chipselect is toggled between commands sent to the panel. This was also the purpose of the former patch of commit f64dcac0b124 ("backlight: tdo24m: ensure chip select changes between transfers"). Unfortunately, the "cs_change" field of a SPI transfer is misleading. Its true meaning is that for a SPI message holding multiple transfers, the chip select is toggled between each transfer, but for the last transfer it remains asserted. In this driver, all the SPI messages contain exactly one transfer, which means that each transfer is the last of its message, and as a consequence the chip select is never toggled. Actually, there was a second bug hidding the first one, hence the problem was not seen until v4.6. This problem was fixed by commit a52db659c79c ("spi: pxa2xx: Fix cs_change management") for PXA based boards. This fix makes the TD035S work again on a cm-x300 board. The same applies to other PXA boards, ie. corgi and tosa. Fixes: a52db659c79c ("spi: pxa2xx: Fix cs_change management") Reported-by: Andrea Adami <andrea.adami(a)gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik(a)free.fr> Acked-by: Daniel Thompson <daniel.thompson(a)linaro.org> Signed-off-by: Lee Jones <lee.jones(a)linaro.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/video/backlight/corgi_lcd.c | 2 +- drivers/video/backlight/tdo24m.c | 2 +- drivers/video/backlight/tosa_lcd.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -177,7 +177,7 @@ static int corgi_ssp_lcdtg_send(struct c struct spi_message msg; struct spi_transfer xfer = { .len = 1, - .cs_change = 1, + .cs_change = 0, .tx_buf = lcd->buf, }; --- a/drivers/video/backlight/tdo24m.c +++ b/drivers/video/backlight/tdo24m.c @@ -369,7 +369,7 @@ static int tdo24m_probe(struct spi_devic spi_message_init(m); - x->cs_change = 1; + x->cs_change = 0; x->tx_buf = &lcd->buf[0]; spi_message_add_tail(x, m); --- a/drivers/video/backlight/tosa_lcd.c +++ b/drivers/video/backlight/tosa_lcd.c @@ -49,7 +49,7 @@ static int tosa_tg_send(struct spi_devic struct spi_message msg; struct spi_transfer xfer = { .len = 1, - .cs_change = 1, + .cs_change = 0, .tx_buf = buf, }; Patches currently in stable-queue which might be from robert.jarzmik(a)free.fr are queue-4.14/backlight-tdo24m-fix-the-spi-cs-between-transfers.patch

7 years, 5 months

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Patch "ASoC: Intel: sst: Fix the return value of 'sst_send_byte_stream_mrfld()'" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ASoC: Intel: sst: Fix the return value of 'sst_send_byte_stream_mrfld()' to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: asoc-intel-sst-fix-the-return-value-of-sst_send_byte_stream_mrfld.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> Date: Sat, 6 Jan 2018 21:18:24 +0100 Subject: ASoC: Intel: sst: Fix the return value of 'sst_send_byte_stream_mrfld()' From: Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> [ Upstream commit eaadb1caa966a91128297b754e90b7c92b350a00 ] In some error handling paths, an error code is assiegned to 'ret'. However, the function always return 0. Fix it and return the error code if such an error paths is taken. Fixes: 3d9ff34622ba ("ASoC: Intel: sst: add stream operations") Signed-off-by: Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- sound/soc/intel/atom/sst/sst_stream.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/sound/soc/intel/atom/sst/sst_stream.c +++ b/sound/soc/intel/atom/sst/sst_stream.c @@ -221,7 +221,7 @@ int sst_send_byte_stream_mrfld(struct in sst_free_block(sst_drv_ctx, block); out: test_and_clear_bit(pvt_id, &sst_drv_ctx->pvt_id); - return 0; + return ret; } /* Patches currently in stable-queue which might be from christophe.jaillet(a)wanadoo.fr are queue-4.14/edac-mv64x60-fix-an-error-handling-path.patch queue-4.14/asoc-intel-sst-fix-the-return-value-of-sst_send_byte_stream_mrfld.patch

7 years, 5 months

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Patch "ASoC: Intel: cht_bsw_rt5645: Analog Mic support" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ASoC: Intel: cht_bsw_rt5645: Analog Mic support to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: asoc-intel-cht_bsw_rt5645-analog-mic-support.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Hans de Goede <hdegoede(a)redhat.com> Date: Tue, 2 Jan 2018 19:53:14 +0100 Subject: ASoC: Intel: cht_bsw_rt5645: Analog Mic support From: Hans de Goede <hdegoede(a)redhat.com> [ Upstream commit b70b309950418437bbd2a30afd169c4f09dee3e5 ] Various Cherry Trail boards with a rt5645 codec have an analog mic connected to IN2P + IN2N. The mic on this boards also needs micbias to be enabled, on some boards micbias1 is used and on others micbias2, so we enable both. This commit adds a new "Int Analog Mic" DAPM widget for this, so that we do not end up enabling micbias on boards with a digital mic which uses the already present "Int Mic" widget. Some existing UCM files already refer to "Int Mic" for their "Internal Analog Microphones" SectionDevice, but these don't work anyways since they enable the RECMIX BST1 Switch instead of the BST2 switch. Signed-off-by: Hans de Goede <hdegoede(a)redhat.com> Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- sound/soc/intel/boards/cht_bsw_rt5645.c | 7 +++++++ 1 file changed, 7 insertions(+) --- a/sound/soc/intel/boards/cht_bsw_rt5645.c +++ b/sound/soc/intel/boards/cht_bsw_rt5645.c @@ -133,6 +133,7 @@ static const struct snd_soc_dapm_widget SND_SOC_DAPM_HP("Headphone", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_MIC("Int Mic", NULL), + SND_SOC_DAPM_MIC("Int Analog Mic", NULL), SND_SOC_DAPM_SPK("Ext Spk", NULL), SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, platform_clock_control, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), @@ -143,6 +144,8 @@ static const struct snd_soc_dapm_route c {"IN1N", NULL, "Headset Mic"}, {"DMIC L1", NULL, "Int Mic"}, {"DMIC R1", NULL, "Int Mic"}, + {"IN2P", NULL, "Int Analog Mic"}, + {"IN2N", NULL, "Int Analog Mic"}, {"Headphone", NULL, "HPOL"}, {"Headphone", NULL, "HPOR"}, {"Ext Spk", NULL, "SPOL"}, @@ -150,6 +153,9 @@ static const struct snd_soc_dapm_route c {"Headphone", NULL, "Platform Clock"}, {"Headset Mic", NULL, "Platform Clock"}, {"Int Mic", NULL, "Platform Clock"}, + {"Int Analog Mic", NULL, "Platform Clock"}, + {"Int Analog Mic", NULL, "micbias1"}, + {"Int Analog Mic", NULL, "micbias2"}, {"Ext Spk", NULL, "Platform Clock"}, }; @@ -204,6 +210,7 @@ static const struct snd_kcontrol_new cht SOC_DAPM_PIN_SWITCH("Headphone"), SOC_DAPM_PIN_SWITCH("Headset Mic"), SOC_DAPM_PIN_SWITCH("Int Mic"), + SOC_DAPM_PIN_SWITCH("Int Analog Mic"), SOC_DAPM_PIN_SWITCH("Ext Spk"), }; Patches currently in stable-queue which might be from hdegoede(a)redhat.com are queue-4.14/acpi-video-default-lcd_only-to-true-on-win8-ready-and-newer-machines.patch queue-4.14/input-goodix-disable-irqs-while-suspended.patch queue-4.14/asoc-intel-cht_bsw_rt5645-analog-mic-support.patch queue-4.14/power-supply-axp288_charger-properly-stop-work-on-probe-error-remove.patch queue-4.14/pinctrl-baytrail-enable-glitch-filter-for-gpios-used-as-interrupts.patch

7 years, 5 months

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Patch "ASoC: Intel: Skylake: Disable clock gating during firmware and library download" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ASoC: Intel: Skylake: Disable clock gating during firmware and library download to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: asoc-intel-skylake-disable-clock-gating-during-firmware-and-library-download.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Pardha Saradhi K <pardha.saradhi.kesapragada(a)intel.com> Date: Tue, 2 Jan 2018 14:59:57 +0530 Subject: ASoC: Intel: Skylake: Disable clock gating during firmware and library download From: Pardha Saradhi K <pardha.saradhi.kesapragada(a)intel.com> [ Upstream commit d5cc0a1fcbb5ddbef9fdd4c4a978da3254ddbf37 ] During firmware and library download, sometimes it is observed that firmware and library download is timed-out resulting into probe failure. This patch disables dynamic clock gating while firmware and library download. Signed-off-by: Pardha Saradhi K <pardha.saradhi.kesapragada(a)intel.com> Signed-off-by: Sanyog Kale <sanyog.r.kale(a)intel.com> Signed-off-by: Guneshwor Singh <guneshwor.o.singh(a)intel.com> Acked-By: Vinod Koul <vinod.koul(a)intel.com> Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- sound/soc/intel/skylake/skl-messages.c | 4 ++++ sound/soc/intel/skylake/skl-pcm.c | 4 ++++ 2 files changed, 8 insertions(+) --- a/sound/soc/intel/skylake/skl-messages.c +++ b/sound/soc/intel/skylake/skl-messages.c @@ -404,7 +404,11 @@ int skl_resume_dsp(struct skl *skl) if (skl->skl_sst->is_first_boot == true) return 0; + /* disable dynamic clock gating during fw and lib download */ + ctx->enable_miscbdcge(ctx->dev, false); + ret = skl_dsp_wake(ctx->dsp); + ctx->enable_miscbdcge(ctx->dev, true); if (ret < 0) return ret; --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -1332,7 +1332,11 @@ static int skl_platform_soc_probe(struct return -EIO; } + /* disable dynamic clock gating during fw and lib download */ + skl->skl_sst->enable_miscbdcge(platform->dev, false); + ret = ops->init_fw(platform->dev, skl->skl_sst); + skl->skl_sst->enable_miscbdcge(platform->dev, true); if (ret < 0) { dev_err(platform->dev, "Failed to boot first fw: %d\n", ret); return ret; Patches currently in stable-queue which might be from pardha.saradhi.kesapragada(a)intel.com are queue-4.14/asoc-intel-skylake-disable-clock-gating-during-firmware-and-library-download.patch

7 years, 5 months

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Patch "ARM: dts: ls1021a: add "fsl, ls1021a-esdhc" compatible string to esdhc node" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ARM: dts: ls1021a: add "fsl,ls1021a-esdhc" compatible string to esdhc node to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: arm-dts-ls1021a-add-fsl-ls1021a-esdhc-compatible-string-to-esdhc-node.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Rasmus Villemoes <rasmus.villemoes(a)prevas.dk> Date: Thu, 16 Nov 2017 13:15:26 +0100 Subject: ARM: dts: ls1021a: add "fsl,ls1021a-esdhc" compatible string to esdhc node From: Rasmus Villemoes <rasmus.villemoes(a)prevas.dk> [ Upstream commit d5c7b4d5ac2237a6da7ced3adfe6b8bf769f8cc6 ] Commit a22950c888e3 (mmc: sdhci-of-esdhc: add quirk SDHCI_QUIRK_BROKEN_TIMEOUT_VAL for ls1021a) added logic to the driver to enable the broken timeout val quirk for ls1021a, but did not add the corresponding compatible string to the device tree, so it didn't really have any effect. Fix that. Signed-off-by: Rasmus Villemoes <rasmus.villemoes(a)prevas.dk> Signed-off-by: Shawn Guo <shawnguo(a)kernel.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/arm/boot/dts/ls1021a.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/arm/boot/dts/ls1021a.dtsi +++ b/arch/arm/boot/dts/ls1021a.dtsi @@ -155,7 +155,7 @@ }; esdhc: esdhc@1560000 { - compatible = "fsl,esdhc"; + compatible = "fsl,ls1021a-esdhc", "fsl,esdhc"; reg = <0x0 0x1560000 0x0 0x10000>; interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>; clock-frequency = <0>; Patches currently in stable-queue which might be from rasmus.villemoes(a)prevas.dk are queue-4.14/arm-dts-ls1021a-add-fsl-ls1021a-esdhc-compatible-string-to-esdhc-node.patch

7 years, 5 months

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Patch "ACPI / video: Default lcd_only to true on Win8-ready and newer machines" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ACPI / video: Default lcd_only to true on Win8-ready and newer machines to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: acpi-video-default-lcd_only-to-true-on-win8-ready-and-newer-machines.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Hans de Goede <hdegoede(a)redhat.com> Date: Sat, 23 Dec 2017 19:41:47 +0100 Subject: ACPI / video: Default lcd_only to true on Win8-ready and newer machines From: Hans de Goede <hdegoede(a)redhat.com> [ Upstream commit 5928c281524fe451114e04f1dfa11246a37e859f ] We're seeing a lot of bogus backlight interfaces on newer machines without a LCD such as desktops, servers and HDMI sticks. This causes userspace to show a non-functional brightness slider in e.g. the GNOME3 system menu, which is undesirable. And, in general, we should simply just not register a non functional backlight interface. Checking the LCD flag causes the bogus acpi_video backlight interfaces to go away (on the machines this was tested on). This change sets the lcd_only option by default on any machines which are Win8-ready, to fix this. This is not entirely without a risk of regressions, but video_detect.c already prefers native-backlight interfaces over the acpi_video one on Win8-ready machines, calling acpi_video_unregister_backlight() as soon as a native interface shows up. This is done because the ACPI backlight interface often is broken on Win8-ready machines, because win8 does not seem to actually use it. So in practice we already end up not registering the ACPI backlight interface on (most) Win8-ready machines with a LCD panel, thus this change does not change anything for (most) machines with a LCD panel and on machines without a LCD panel we actually don't want to register any backlight interfaces. This has been tested on the following machines and fixes a bogus backlight interface showing up there: - Desktop with an Asrock B150M Pro4S/D3 m.b. using i5-6500 builtin gfx - Intel Compute Stick STK1AW32SC - Meegopad T08 HDMI stick Bogus backlight interfaces have also been reported on: - Desktop with Asus H87I-Plus m.b. - Desktop with ASRock B75M-ITX m.b. - Desktop with Gigabyte Z87-D3HP m.b. - Dell PowerEdge T20 desktop Link: https://bugzilla.redhat.com/show_bug.cgi?id=1097436 Link: https://bugzilla.redhat.com/show_bug.cgi?id=1133327 Link: https://bugzilla.redhat.com/show_bug.cgi?id=1133329 Link: https://bugzilla.redhat.com/show_bug.cgi?id=1133646 Signed-off-by: Hans de Goede <hdegoede(a)redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki(a)intel.com> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/acpi/acpi_video.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -80,8 +80,8 @@ MODULE_PARM_DESC(report_key_events, static bool device_id_scheme = false; module_param(device_id_scheme, bool, 0444); -static bool only_lcd = false; -module_param(only_lcd, bool, 0444); +static int only_lcd = -1; +module_param(only_lcd, int, 0444); static int register_count; static DEFINE_MUTEX(register_count_mutex); @@ -2136,6 +2136,16 @@ int acpi_video_register(void) goto leave; } + /* + * We're seeing a lot of bogus backlight interfaces on newer machines + * without a LCD such as desktops, servers and HDMI sticks. Checking + * the lcd flag fixes this, so enable this on any machines which are + * win8 ready (where we also prefer the native backlight driver, so + * normally the acpi_video code should not register there anyways). + */ + if (only_lcd == -1) + only_lcd = acpi_osi_is_win8(); + dmi_check_system(video_dmi_table); ret = acpi_bus_register_driver(&acpi_video_bus); Patches currently in stable-queue which might be from hdegoede(a)redhat.com are queue-4.14/acpi-video-default-lcd_only-to-true-on-win8-ready-and-newer-machines.patch queue-4.14/input-goodix-disable-irqs-while-suspended.patch queue-4.14/asoc-intel-cht_bsw_rt5645-analog-mic-support.patch queue-4.14/power-supply-axp288_charger-properly-stop-work-on-probe-error-remove.patch queue-4.14/pinctrl-baytrail-enable-glitch-filter-for-gpios-used-as-interrupts.patch

7 years, 5 months

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Patch "ACPI: EC: Fix debugfs_create_*() usage" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ACPI: EC: Fix debugfs_create_*() usage to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: acpi-ec-fix-debugfs_create_-usage.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Geert Uytterhoeven <geert+renesas(a)glider.be> Date: Tue, 2 Jan 2018 16:26:31 +0100 Subject: ACPI: EC: Fix debugfs_create_*() usage From: Geert Uytterhoeven <geert+renesas(a)glider.be> [ Upstream commit 3522f867c13b63cf62acdf1b8ca5664c549a716a ] acpi_ec.gpe is "unsigned long", hence treating it as "u32" would expose the wrong half on big-endian 64-bit systems. Fix this by changing its type to "u32" and removing the cast, as all other code already uses u32 or sometimes even only u8. Fixes: 1195a098168fcacf (ACPI: Provide /sys/kernel/debug/ec/...) Signed-off-by: Geert Uytterhoeven <geert+renesas(a)glider.be> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki(a)intel.com> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/acpi/ec.c | 2 +- drivers/acpi/ec_sys.c | 2 +- drivers/acpi/internal.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1516,7 +1516,7 @@ static int acpi_ec_setup(struct acpi_ec } acpi_handle_info(ec->handle, - "GPE=0x%lx, EC_CMD/EC_SC=0x%lx, EC_DATA=0x%lx\n", + "GPE=0x%x, EC_CMD/EC_SC=0x%lx, EC_DATA=0x%lx\n", ec->gpe, ec->command_addr, ec->data_addr); return ret; } --- a/drivers/acpi/ec_sys.c +++ b/drivers/acpi/ec_sys.c @@ -128,7 +128,7 @@ static int acpi_ec_add_debugfs(struct ac return -ENOMEM; } - if (!debugfs_create_x32("gpe", 0444, dev_dir, (u32 *)&first_ec->gpe)) + if (!debugfs_create_x32("gpe", 0444, dev_dir, &first_ec->gpe)) goto error; if (!debugfs_create_bool("use_global_lock", 0444, dev_dir, &first_ec->global_lock)) --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -159,7 +159,7 @@ static inline void acpi_early_processor_ -------------------------------------------------------------------------- */ struct acpi_ec { acpi_handle handle; - unsigned long gpe; + u32 gpe; unsigned long command_addr; unsigned long data_addr; bool global_lock; Patches currently in stable-queue which might be from geert+renesas(a)glider.be are queue-4.14/acpi-ec-fix-debugfs_create_-usage.patch queue-4.14/spi-sh-msiof-fix-timeout-failures-for-tx-only-dma-transfers.patch

7 years, 5 months

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v4.15 stable backport request

by Jani Nikula

Stable team, please backport commits 6e3322c226f1 ("drm/i915/cnp: Properly handle VBT ddc pin out of bounds.") f24c606c21a8 ("drm/i915/cnp: Ignore VBT request for know invalid DDC pin.") to v4.15. Thanks, Jani. References: https://bugs.freedesktop.org/show_bug.cgi?id=104139 References: http://mid.mail-archive.com/4c930511-ea7d-e91a-b492-8943980549e4@ubuntu.com -- Jani Nikula, Intel Open Source Technology Center

7 years, 5 months

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Patch "nvme-fabrics: don't check for non-NULL module in nvmf_register_transport" has been added to the 4.15-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled nvme-fabrics: don't check for non-NULL module in nvmf_register_transport to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: nvme-fabrics-don-t-check-for-non-null-module-in-nvmf_register_transport.patch and it can be found in the queue-4.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 5a1e59533380a3fd04593e4ab2d4633ebf7745c1 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig <hch(a)lst.de> Date: Thu, 22 Feb 2018 07:24:08 -0800 Subject: nvme-fabrics: don't check for non-NULL module in nvmf_register_transport From: Christoph Hellwig <hch(a)lst.de> commit 5a1e59533380a3fd04593e4ab2d4633ebf7745c1 upstream. THIS_MODULE evaluates to NULL when used from code built into the kernel, thus breaking built-in transport modules. Remove the bogus check. Fixes: 0de5cd36 ("nvme-fabrics: protect against module unload during create_ctrl") Signed-off-by: Christoph Hellwig <hch(a)lst.de> Reviewed-by: Sagi Grimberg <sagi(a)grimberg.me> Reviewed-by: Johannes Thumshirn <jthumshirn(a)suse.de> Signed-off-by: Keith Busch <keith.busch(a)intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/nvme/host/fabrics.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -493,7 +493,7 @@ EXPORT_SYMBOL_GPL(nvmf_should_reconnect) */ int nvmf_register_transport(struct nvmf_transport_ops *ops) { - if (!ops->create_ctrl || !ops->module) + if (!ops->create_ctrl) return -EINVAL; down_write(&nvmf_transports_rwsem); Patches currently in stable-queue which might be from hch(a)lst.de are queue-4.15/nvme_fcloop-fix-abort-race-condition.patch queue-4.15/blk-mq-avoid-to-map-cpu-into-stale-hw-queue.patch queue-4.15/scsi-libsas-initialize-sas_phy-status-according-to-response-of-discover.patch queue-4.15/nvme-fabrics-protect-against-module-unload-during-create_ctrl.patch queue-4.15/nvme_fcloop-disassocate-local-port-structs.patch queue-4.15/nvme-fabrics-don-t-check-for-non-null-module-in-nvmf_register_transport.patch queue-4.15/scsi-libsas-fix-error-when-getting-phy-events.patch queue-4.15/blk-mq-fix-race-between-updating-nr_hw_queues-and-switching-io-sched.patch queue-4.15/scsi-libsas-fix-memory-leak-in-sas_smp_get_phy_events.patch queue-4.15/scsi-libsas-use-dynamic-alloced-work-to-avoid-sas-event-lost.patch

7 years, 5 months

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