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[Linux-stable-mirror] Patch "EDAC, i5000, i5400: Fix use of MTR_DRAM_WIDTH macro" has been added to the 4.4-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled EDAC, i5000, i5400: Fix use of MTR_DRAM_WIDTH macro to the 4.4-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-i5000-i5400-fix-use-of-mtr_dram_width-macro.patch and it can be found in the queue-4.4 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 Tue Dec 12 13:38:50 CET 2017 From: Jérémy Lefaure <jeremy.lefaure(a)lse.epita.fr> Date: Wed, 8 Mar 2017 20:18:09 -0500 Subject: EDAC, i5000, i5400: Fix use of MTR_DRAM_WIDTH macro From: Jérémy Lefaure <jeremy.lefaure(a)lse.epita.fr> [ Upstream commit e61555c29c28a4a3b6ba6207f4a0883ee236004d ] The MTR_DRAM_WIDTH macro returns the data width. It is sometimes used as if it returned a boolean true if the width if 8. Fix the tests where MTR_DRAM_WIDTH is misused. Signed-off-by: JÃ©rÃ©my Lefaure <jeremy.lefaure(a)lse.epita.fr> Cc: linux-edac <linux-edac(a)vger.kernel.org> Link: http://lkml.kernel.org/r/20170309011809.8340-1-jeremy.lefaure@lse.epita.fr Signed-off-by: Borislav Petkov <bp(a)suse.de> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/edac/i5000_edac.c | 2 +- drivers/edac/i5400_edac.c | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-) --- a/drivers/edac/i5000_edac.c +++ b/drivers/edac/i5000_edac.c @@ -1293,7 +1293,7 @@ static int i5000_init_csrows(struct mem_ dimm->mtype = MEM_FB_DDR2; /* ask what device type on this row */ - if (MTR_DRAM_WIDTH(mtr)) + if (MTR_DRAM_WIDTH(mtr) == 8) dimm->dtype = DEV_X8; else dimm->dtype = DEV_X4; --- a/drivers/edac/i5400_edac.c +++ b/drivers/edac/i5400_edac.c @@ -1207,13 +1207,14 @@ static int i5400_init_dimms(struct mem_c dimm->nr_pages = size_mb << 8; dimm->grain = 8; - dimm->dtype = MTR_DRAM_WIDTH(mtr) ? DEV_X8 : DEV_X4; + dimm->dtype = MTR_DRAM_WIDTH(mtr) == 8 ? + DEV_X8 : DEV_X4; dimm->mtype = MEM_FB_DDR2; /* * The eccc mechanism is SDDC (aka SECC), with * is similar to Chipkill. */ - dimm->edac_mode = MTR_DRAM_WIDTH(mtr) ? + dimm->edac_mode = MTR_DRAM_WIDTH(mtr) == 8 ? EDAC_S8ECD8ED : EDAC_S4ECD4ED; ndimms++; } Patches currently in stable-queue which might be from jeremy.lefaure(a)lse.epita.fr are queue-4.4/edac-i5000-i5400-fix-definition-of-nrecmemb-register.patch queue-4.4/edac-i5000-i5400-fix-use-of-mtr_dram_width-macro.patch

7 years, 1 month

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[Linux-stable-mirror] Patch "dynamic-debug-howto: fix optional/omitted ending line number to be LARGE instead of 0" has been added to the 4.4-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled dynamic-debug-howto: fix optional/omitted ending line number to be LARGE instead of 0 to the 4.4-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: dynamic-debug-howto-fix-optional-omitted-ending-line-number-to-be-large-instead-of-0.patch and it can be found in the queue-4.4 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 Tue Dec 12 13:38:50 CET 2017 From: Randy Dunlap <rdunlap(a)infradead.org> Date: Fri, 17 Nov 2017 15:27:35 -0800 Subject: dynamic-debug-howto: fix optional/omitted ending line number to be LARGE instead of 0 From: Randy Dunlap <rdunlap(a)infradead.org> [ Upstream commit 1f3c790bd5989fcfec9e53ad8fa09f5b740c958f ] line-range is supposed to treat "1-" as "1-endoffile", so handle the special case by setting last_lineno to UINT_MAX. Fixes this error: dynamic_debug:ddebug_parse_query: last-line:0 < 1st-line:1 dynamic_debug:ddebug_exec_query: query parse failed Link: http://lkml.kernel.org/r/10a6a101-e2be-209f-1f41-54637824788e@infradead.org Signed-off-by: Randy Dunlap <rdunlap(a)infradead.org> Acked-by: Jason Baron <jbaron(a)akamai.com> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds(a)linux-foundation.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- lib/dynamic_debug.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -353,6 +353,10 @@ static int ddebug_parse_query(char *word if (parse_lineno(last, &query->last_lineno) < 0) return -EINVAL; + /* special case for last lineno not specified */ + if (query->last_lineno == 0) + query->last_lineno = UINT_MAX; + if (query->last_lineno < query->first_lineno) { pr_err("last-line:%d < 1st-line:%d\n", query->last_lineno, Patches currently in stable-queue which might be from rdunlap(a)infradead.org are queue-4.4/dynamic-debug-howto-fix-optional-omitted-ending-line-number-to-be-large-instead-of-0.patch

7 years, 1 month

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[Linux-stable-mirror] Patch "crypto: s5p-sss - Fix completing crypto request in IRQ handler" has been added to the 4.4-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled crypto: s5p-sss - Fix completing crypto request in IRQ handler to the 4.4-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-s5p-sss-fix-completing-crypto-request-in-irq-handler.patch and it can be found in the queue-4.4 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 Tue Dec 12 13:38:50 CET 2017 From: Krzysztof Kozlowski <krzk(a)kernel.org> Date: Sun, 5 Mar 2017 19:14:07 +0200 Subject: crypto: s5p-sss - Fix completing crypto request in IRQ handler From: Krzysztof Kozlowski <krzk(a)kernel.org> [ Upstream commit 07de4bc88ce6a4d898cad9aa4c99c1df7e87702d ] In a regular interrupt handler driver was finishing the crypt/decrypt request by calling complete on crypto request. This is disallowed since converting to skcipher in commit b286d8b1a690 ("crypto: skcipher - Add skcipher walk interface") and causes a warning: WARNING: CPU: 0 PID: 0 at crypto/skcipher.c:430 skcipher_walk_first+0x13c/0x14c The interrupt is marked shared but in fact there are no other users sharing it. Thus the simplest solution seems to be to just use a threaded interrupt handler, after converting it to oneshot. Signed-off-by: Krzysztof Kozlowski <krzk(a)kernel.org> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/crypto/s5p-sss.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -664,8 +664,9 @@ static int s5p_aes_probe(struct platform dev_warn(dev, "feed control interrupt is not available.\n"); goto err_irq; } - err = devm_request_irq(dev, pdata->irq_fc, s5p_aes_interrupt, - IRQF_SHARED, pdev->name, pdev); + err = devm_request_threaded_irq(dev, pdata->irq_fc, NULL, + s5p_aes_interrupt, IRQF_ONESHOT, + pdev->name, pdev); if (err < 0) { dev_warn(dev, "feed control interrupt is not available.\n"); goto err_irq; Patches currently in stable-queue which might be from krzk(a)kernel.org are queue-4.4/crypto-s5p-sss-fix-completing-crypto-request-in-irq-handler.patch

7 years, 1 month

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[Linux-stable-mirror] Patch "bnx2x: prevent crash when accessing PTP with interface down" has been added to the 4.4-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled bnx2x: prevent crash when accessing PTP with interface down to the 4.4-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: bnx2x-prevent-crash-when-accessing-ptp-with-interface-down.patch and it can be found in the queue-4.4 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 Tue Dec 12 13:38:50 CET 2017 From: Michal Schmidt <mschmidt(a)redhat.com> Date: Fri, 3 Mar 2017 17:08:28 +0100 Subject: bnx2x: prevent crash when accessing PTP with interface down From: Michal Schmidt <mschmidt(a)redhat.com> [ Upstream commit 466e8bf10ac104d96e1ea813e8126e11cb72ea20 ] It is possible to crash the kernel by accessing a PTP device while its associated bnx2x interface is down. Before the interface is brought up, the timecounter is not initialized, so accessing it results in NULL dereference. Fix it by checking if the interface is up. Use -ENETDOWN as the error code when the interface is down. -EFAULT in bnx2x_ptp_adjfreq() did not seem right. Tested using phc_ctl get/set/adj/freq commands. Signed-off-by: Michal Schmidt <mschmidt(a)redhat.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -13646,7 +13646,7 @@ static int bnx2x_ptp_adjfreq(struct ptp_ if (!netif_running(bp->dev)) { DP(BNX2X_MSG_PTP, "PTP adjfreq called while the interface is down\n"); - return -EFAULT; + return -ENETDOWN; } if (ppb < 0) { @@ -13705,6 +13705,12 @@ static int bnx2x_ptp_adjtime(struct ptp_ { struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info); + if (!netif_running(bp->dev)) { + DP(BNX2X_MSG_PTP, + "PTP adjtime called while the interface is down\n"); + return -ENETDOWN; + } + DP(BNX2X_MSG_PTP, "PTP adjtime called, delta = %llx\n", delta); timecounter_adjtime(&bp->timecounter, delta); @@ -13717,6 +13723,12 @@ static int bnx2x_ptp_gettime(struct ptp_ struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info); u64 ns; + if (!netif_running(bp->dev)) { + DP(BNX2X_MSG_PTP, + "PTP gettime called while the interface is down\n"); + return -ENETDOWN; + } + ns = timecounter_read(&bp->timecounter); DP(BNX2X_MSG_PTP, "PTP gettime called, ns = %llu\n", ns); @@ -13732,6 +13744,12 @@ static int bnx2x_ptp_settime(struct ptp_ struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info); u64 ns; + if (!netif_running(bp->dev)) { + DP(BNX2X_MSG_PTP, + "PTP settime called while the interface is down\n"); + return -ENETDOWN; + } + ns = timespec64_to_ns(ts); DP(BNX2X_MSG_PTP, "PTP settime called, ns = %llu\n", ns); Patches currently in stable-queue which might be from mschmidt(a)redhat.com are queue-4.4/bnx2x-fix-possible-overrun-of-vfpf-multicast-addresses-array.patch queue-4.4/bnx2x-do-not-rollback-vf-mac-vlan-filters-we-did-not-configure.patch queue-4.4/bnx2x-prevent-crash-when-accessing-ptp-with-interface-down.patch

7 years, 1 month

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[Linux-stable-mirror] Patch "drm/amd/amdgpu: fix console deadlock if late init failed" has been added to the 4.4-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled drm/amd/amdgpu: fix console deadlock if late init failed to the 4.4-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: drm-amd-amdgpu-fix-console-deadlock-if-late-init-failed.patch and it can be found in the queue-4.4 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 Tue Dec 12 13:38:50 CET 2017 From: Jim Qu <Jim.Qu(a)amd.com> Date: Wed, 1 Mar 2017 15:53:29 +0800 Subject: drm/amd/amdgpu: fix console deadlock if late init failed From: Jim Qu <Jim.Qu(a)amd.com> [ Upstream commit c085bd5119d5d0bdf3ef591a5563566be7dedced ] Signed-off-by: Jim Qu <Jim.Qu(a)amd.com> Reviewed-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1760,8 +1760,11 @@ int amdgpu_resume_kms(struct drm_device } r = amdgpu_late_init(adev); - if (r) + if (r) { + if (fbcon) + console_unlock(); return r; + } /* pin cursors */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { Patches currently in stable-queue which might be from Jim.Qu(a)amd.com are queue-4.4/drm-amd-amdgpu-fix-console-deadlock-if-late-init-failed.patch

7 years, 1 month

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[Linux-stable-mirror] Patch "bnx2x: do not rollback VF MAC/VLAN filters we did not configure" has been added to the 4.4-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled bnx2x: do not rollback VF MAC/VLAN filters we did not configure to the 4.4-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: bnx2x-do-not-rollback-vf-mac-vlan-filters-we-did-not-configure.patch and it can be found in the queue-4.4 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 Tue Dec 12 13:38:50 CET 2017 From: Michal Schmidt <mschmidt(a)redhat.com> Date: Fri, 3 Mar 2017 17:08:32 +0100 Subject: bnx2x: do not rollback VF MAC/VLAN filters we did not configure From: Michal Schmidt <mschmidt(a)redhat.com> [ Upstream commit 78d5505432436516456c12abbe705ec8dee7ee2b ] On failure to configure a VF MAC/VLAN filter we should not attempt to rollback filters that we failed to configure with -EEXIST. Signed-off-by: Michal Schmidt <mschmidt(a)redhat.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c | 8 +++++++- drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h | 1 + 2 files changed, 8 insertions(+), 1 deletion(-) --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -434,7 +434,9 @@ static int bnx2x_vf_mac_vlan_config(stru /* Add/Remove the filter */ rc = bnx2x_config_vlan_mac(bp, &ramrod); - if (rc && rc != -EEXIST) { + if (rc == -EEXIST) + return 0; + if (rc) { BNX2X_ERR("Failed to %s %s\n", filter->add ? "add" : "delete", (filter->type == BNX2X_VF_FILTER_VLAN_MAC) ? @@ -444,6 +446,8 @@ static int bnx2x_vf_mac_vlan_config(stru return rc; } + filter->applied = true; + return 0; } @@ -471,6 +475,8 @@ int bnx2x_vf_mac_vlan_config_list(struct BNX2X_ERR("Managed only %d/%d filters - rolling back\n", i, filters->count + 1); while (--i >= 0) { + if (!filters->filters[i].applied) + continue; filters->filters[i].add = !filters->filters[i].add; bnx2x_vf_mac_vlan_config(bp, vf, qid, &filters->filters[i], --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h @@ -114,6 +114,7 @@ struct bnx2x_vf_mac_vlan_filter { (BNX2X_VF_FILTER_MAC | BNX2X_VF_FILTER_VLAN) /*shortcut*/ bool add; + bool applied; u8 *mac; u16 vid; }; Patches currently in stable-queue which might be from mschmidt(a)redhat.com are queue-4.4/bnx2x-fix-possible-overrun-of-vfpf-multicast-addresses-array.patch queue-4.4/bnx2x-do-not-rollback-vf-mac-vlan-filters-we-did-not-configure.patch queue-4.4/bnx2x-prevent-crash-when-accessing-ptp-with-interface-down.patch

7 years, 1 month

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[Linux-stable-mirror] Patch "bnx2x: fix possible overrun of VFPF multicast addresses array" has been added to the 4.4-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled bnx2x: fix possible overrun of VFPF multicast addresses array to the 4.4-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: bnx2x-fix-possible-overrun-of-vfpf-multicast-addresses-array.patch and it can be found in the queue-4.4 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 Tue Dec 12 13:38:50 CET 2017 From: Michal Schmidt <mschmidt(a)redhat.com> Date: Fri, 3 Mar 2017 17:08:30 +0100 Subject: bnx2x: fix possible overrun of VFPF multicast addresses array From: Michal Schmidt <mschmidt(a)redhat.com> [ Upstream commit 22118d861cec5da6ed525aaf12a3de9bfeffc58f ] It is too late to check for the limit of the number of VF multicast addresses after they have already been copied to the req->multicast[] array, possibly overflowing it. Do the check before copying. Also fix the error path to not skip unlocking vf2pf_mutex. Signed-off-by: Michal Schmidt <mschmidt(a)redhat.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c | 23 +++++++++++------------ 1 file changed, 11 insertions(+), 12 deletions(-) --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c @@ -868,7 +868,7 @@ int bnx2x_vfpf_set_mcast(struct net_devi struct bnx2x *bp = netdev_priv(dev); struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; - int rc, i = 0; + int rc = 0, i = 0; struct netdev_hw_addr *ha; if (bp->state != BNX2X_STATE_OPEN) { @@ -883,6 +883,15 @@ int bnx2x_vfpf_set_mcast(struct net_devi /* Get Rx mode requested */ DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); + /* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */ + if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) { + DP(NETIF_MSG_IFUP, + "VF supports not more than %d multicast MAC addresses\n", + PFVF_MAX_MULTICAST_PER_VF); + rc = -EINVAL; + goto out; + } + netdev_for_each_mc_addr(ha, dev) { DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", bnx2x_mc_addr(ha)); @@ -890,16 +899,6 @@ int bnx2x_vfpf_set_mcast(struct net_devi i++; } - /* We support four PFVF_MAX_MULTICAST_PER_VF mcast - * addresses tops - */ - if (i >= PFVF_MAX_MULTICAST_PER_VF) { - DP(NETIF_MSG_IFUP, - "VF supports not more than %d multicast MAC addresses\n", - PFVF_MAX_MULTICAST_PER_VF); - return -EINVAL; - } - req->n_multicast = i; req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; req->vf_qid = 0; @@ -924,7 +923,7 @@ int bnx2x_vfpf_set_mcast(struct net_devi out: bnx2x_vfpf_finalize(bp, &req->first_tlv); - return 0; + return rc; } /* request pf to add a vlan for the vf */ Patches currently in stable-queue which might be from mschmidt(a)redhat.com are queue-4.4/bnx2x-fix-possible-overrun-of-vfpf-multicast-addresses-array.patch queue-4.4/bnx2x-do-not-rollback-vf-mac-vlan-filters-we-did-not-configure.patch queue-4.4/bnx2x-prevent-crash-when-accessing-ptp-with-interface-down.patch

7 years, 1 month

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[Linux-stable-mirror] Patch "block: wake up all tasks blocked in get_request()" has been added to the 4.4-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled block: wake up all tasks blocked in get_request() to the 4.4-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-wake-up-all-tasks-blocked-in-get_request.patch and it can be found in the queue-4.4 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 Tue Dec 12 13:38:50 CET 2017 From: Ming Lei <ming.lei(a)redhat.com> Date: Thu, 16 Nov 2017 08:08:44 +0800 Subject: block: wake up all tasks blocked in get_request() From: Ming Lei <ming.lei(a)redhat.com> [ Upstream commit 34d9715ac1edd50285168dd8d80c972739a4f6a4 ] Once blk_set_queue_dying() is done in blk_cleanup_queue(), we call blk_freeze_queue() and wait for q->q_usage_counter becoming zero. But if there are tasks blocked in get_request(), q->q_usage_counter can never become zero. So we have to wake up all these tasks in blk_set_queue_dying() first. Fixes: 3ef28e83ab157997 ("block: generic request_queue reference counting") 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)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- block/blk-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/block/blk-core.c +++ b/block/blk-core.c @@ -526,8 +526,8 @@ void blk_set_queue_dying(struct request_ blk_queue_for_each_rl(rl, q) { if (rl->rq_pool) { - wake_up(&rl->wait[BLK_RW_SYNC]); - wake_up(&rl->wait[BLK_RW_ASYNC]); + wake_up_all(&rl->wait[BLK_RW_SYNC]); + wake_up_all(&rl->wait[BLK_RW_ASYNC]); } } } Patches currently in stable-queue which might be from ming.lei(a)redhat.com are queue-4.4/block-wake-up-all-tasks-blocked-in-get_request.patch

7 years, 1 month

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[Linux-stable-mirror] Patch "axonram: Fix gendisk handling" has been added to the 4.4-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled axonram: Fix gendisk handling to the 4.4-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: axonram-fix-gendisk-handling.patch and it can be found in the queue-4.4 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 Tue Dec 12 13:38:50 CET 2017 From: Jan Kara <jack(a)suse.cz> Date: Wed, 8 Mar 2017 14:56:05 +0100 Subject: axonram: Fix gendisk handling From: Jan Kara <jack(a)suse.cz> [ Upstream commit 672a2c87c83649fb0167202342ce85af9a3b4f1c ] It is invalid to call del_gendisk() when disk->queue is NULL. Fix error handling in axon_ram_probe() to avoid doing that. Also del_gendisk() does not drop a reference to gendisk allocated by alloc_disk(). That has to be done by put_disk(). Add that call where needed. Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com> Signed-off-by: Jan Kara <jack(a)suse.cz> Signed-off-by: Jens Axboe <axboe(a)fb.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/powerpc/sysdev/axonram.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -276,7 +276,9 @@ failed: if (bank->disk->major > 0) unregister_blkdev(bank->disk->major, bank->disk->disk_name); - del_gendisk(bank->disk); + if (bank->disk->flags & GENHD_FL_UP) + del_gendisk(bank->disk); + put_disk(bank->disk); } device->dev.platform_data = NULL; if (bank->io_addr != 0) @@ -301,6 +303,7 @@ axon_ram_remove(struct platform_device * device_remove_file(&device->dev, &dev_attr_ecc); free_irq(bank->irq_id, device); del_gendisk(bank->disk); + put_disk(bank->disk); iounmap((void __iomem *) bank->io_addr); kfree(bank); Patches currently in stable-queue which might be from jack(a)suse.cz are queue-4.4/axonram-fix-gendisk-handling.patch

7 years, 1 month

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[Linux-stable-mirror] Patch "atm: horizon: Fix irq release error" has been added to the 4.4-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled atm: horizon: Fix irq release error to the 4.4-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: atm-horizon-fix-irq-release-error.patch and it can be found in the queue-4.4 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 Tue Dec 12 13:38:50 CET 2017 From: Arvind Yadav <arvind.yadav.cs(a)gmail.com> Date: Tue, 14 Nov 2017 13:42:38 +0530 Subject: atm: horizon: Fix irq release error From: Arvind Yadav <arvind.yadav.cs(a)gmail.com> [ Upstream commit bde533f2ea607cbbbe76ef8738b36243939a7bc2 ] atm_dev_register() can fail here and passed parameters to free irq which is not initialised. Initialization of 'dev->irq' happened after the 'goto out_free_irq'. So using 'irq' insted of 'dev->irq' in free_irq(). Signed-off-by: Arvind Yadav <arvind.yadav.cs(a)gmail.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/atm/horizon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/atm/horizon.c +++ b/drivers/atm/horizon.c @@ -2804,7 +2804,7 @@ out: return err; out_free_irq: - free_irq(dev->irq, dev); + free_irq(irq, dev); out_free: kfree(dev); out_release: Patches currently in stable-queue which might be from arvind.yadav.cs(a)gmail.com are queue-4.4/atm-horizon-fix-irq-release-error.patch

7 years, 1 month

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