April 2018 - Linux-stable-mirror

Patch "arm64: asid: Do not replace active_asids if already 0" 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 arm64: asid: Do not replace active_asids if already 0 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: arm64-asid-do-not-replace-active_asids-if-already-0.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 foo@baz Mon Apr 9 10:16:32 CEST 2018 From: Catalin Marinas <catalin.marinas(a)arm.com> Date: Wed, 27 Dec 2017 15:12:56 +0000 Subject: arm64: asid: Do not replace active_asids if already 0 From: Catalin Marinas <catalin.marinas(a)arm.com> [ Upstream commit a8ffaaa060b8d4da6138e0958cb0f45b73e1cb78 ] Under some uncommon timing conditions, a generation check and xchg(active_asids, A1) in check_and_switch_context() on P1 can race with an ASID roll-over on P2. If P2 has not seen the update to active_asids[P1], it can re-allocate A1 to a new task T2 on P2. P1 ends up waiting on the spinlock since the xchg() returned 0 while P2 can go through a second ASID roll-over with (T2,A1,G2) active on P2. This roll-over copies active_asids[P1] == A1,G1 into reserved_asids[P1] and active_asids[P2] == A1,G2 into reserved_asids[P2]. A subsequent scheduling of T1 on P1 and T2 on P2 would match reserved_asids and get their generation bumped to G3: P1 P2 -- -- TTBR0.BADDR = T0 TTBR0.ASID = A0 asid_generation = G1 check_and_switch_context(T1,A1,G1) generation match check_and_switch_context(T2,A0,G0) new_context() ASID roll-over asid_generation = G2 flush_context() active_asids[P1] = 0 asid_map[A1] = 0 reserved_asids[P1] = A0,G0 xchg(active_asids, A1) active_asids[P1] = A1,G1 xchg returns 0 spin_lock_irqsave() allocated ASID (T2,A1,G2) asid_map[A1] = 1 active_asids[P2] = A1,G2 ... check_and_switch_context(T3,A0,G0) new_context() ASID roll-over asid_generation = G3 flush_context() active_asids[P1] = 0 asid_map[A1] = 1 reserved_asids[P1] = A1,G1 reserved_asids[P2] = A1,G2 allocated ASID (T3,A2,G3) asid_map[A2] = 1 active_asids[P2] = A2,G3 new_context() check_update_reserved_asid(A1,G1) matches reserved_asid[P1] reserved_asid[P1] = A1,G3 updated T1 ASID to (T1,A1,G3) check_and_switch_context(T2,A1,G2) new_context() check_and_switch_context(A1,G2) matches reserved_asids[P2] reserved_asids[P2] = A1,G3 updated T2 ASID to (T2,A1,G3) At this point, we have two tasks, T1 and T2 both using ASID A1 with the latest generation G3. Any of them is allowed to be scheduled on the other CPU leading to two different tasks with the same ASID on the same CPU. This patch changes the xchg to cmpxchg so that the active_asids is only updated if non-zero to avoid a race with an ASID roll-over on a different CPU. The ASID allocation algorithm has been formally verified using the TLA+ model checker (see https://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/kernel-tla.git/tre… for the spec). Reviewed-by: Will Deacon <will.deacon(a)arm.com> Signed-off-by: Catalin Marinas <catalin.marinas(a)arm.com> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/arm64/mm/context.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) --- a/arch/arm64/mm/context.c +++ b/arch/arm64/mm/context.c @@ -194,26 +194,29 @@ set_asid: void check_and_switch_context(struct mm_struct *mm, unsigned int cpu) { unsigned long flags; - u64 asid; + u64 asid, old_active_asid; asid = atomic64_read(&mm->context.id); /* * The memory ordering here is subtle. - * If our ASID matches the current generation, then we update - * our active_asids entry with a relaxed xchg. Racing with a - * concurrent rollover means that either: + * If our active_asids is non-zero and the ASID matches the current + * generation, then we update the active_asids entry with a relaxed + * cmpxchg. Racing with a concurrent rollover means that either: * - * - We get a zero back from the xchg and end up waiting on the + * - We get a zero back from the cmpxchg and end up waiting on the * lock. Taking the lock synchronises with the rollover and so * we are forced to see the updated generation. * - * - We get a valid ASID back from the xchg, which means the + * - We get a valid ASID back from the cmpxchg, which means the * relaxed xchg in flush_context will treat us as reserved * because atomic RmWs are totally ordered for a given location. */ - if (!((asid ^ atomic64_read(&asid_generation)) >> asid_bits) - && atomic64_xchg_relaxed(&per_cpu(active_asids, cpu), asid)) + old_active_asid = atomic64_read(&per_cpu(active_asids, cpu)); + if (old_active_asid && + !((asid ^ atomic64_read(&asid_generation)) >> asid_bits) && + atomic64_cmpxchg_relaxed(&per_cpu(active_asids, cpu), + old_active_asid, asid)) goto switch_mm_fastpath; raw_spin_lock_irqsave(&cpu_asid_lock, flags); Patches currently in stable-queue which might be from catalin.marinas(a)arm.com are queue-4.15/arm64-asid-do-not-replace-active_asids-if-already-0.patch

6 years, 9 months

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Patch "ARM: dts: ls1021a: add "fsl, ls1021a-esdhc" compatible string to esdhc node" 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 ARM: dts: ls1021a: add "fsl,ls1021a-esdhc" compatible string to esdhc node 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: arm-dts-ls1021a-add-fsl-ls1021a-esdhc-compatible-string-to-esdhc-node.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 foo@baz Mon Apr 9 10:16:32 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-4.15/arm-dts-ls1021a-add-fsl-ls1021a-esdhc-compatible-string-to-esdhc-node.patch

6 years, 9 months

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Patch "ACPI / video: Default lcd_only to true on Win8-ready and newer machines" has been added to the 4.15-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 4.15-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: acpi-video-default-lcd_only-to-true-on-win8-ready-and-newer-machines.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 foo@baz Mon Apr 9 10:16:32 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-4.15/serdev-fix-serdev_uevent-failure-on-acpi-enumerated-serdev-controllers.patch queue-4.15/acpi-video-default-lcd_only-to-true-on-win8-ready-and-newer-machines.patch queue-4.15/bluetooth-hci_bcm-mandate-presence-of-shutdown-and-device-wake-gpio.patch queue-4.15/input-goodix-disable-irqs-while-suspended.patch queue-4.15/asoc-intel-cht_bsw_rt5645-analog-mic-support.patch queue-4.15/power-supply-axp288_charger-properly-stop-work-on-probe-error-remove.patch queue-4.15/pinctrl-baytrail-enable-glitch-filter-for-gpios-used-as-interrupts.patch

6 years, 9 months

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Patch "ACPI: EC: Fix debugfs_create_*() usage" 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 ACPI: EC: Fix debugfs_create_*() usage 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: acpi-ec-fix-debugfs_create_-usage.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 foo@baz Mon Apr 9 10:16:32 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-4.15/acpi-ec-fix-debugfs_create_-usage.patch queue-4.15/spi-sh-msiof-fix-timeout-failures-for-tx-only-dma-transfers.patch

6 years, 9 months

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[PATCH v2 2/9] input: elan_i2c_smbus - fix corrupted stack

by Benjamin Tissoires

New ICs (like the one on the Lenovo T480s) answer to ETP_SMBUS_IAP_VERSION_CMD 4 bytes instead of 3. This corrupts the stack as i2c_smbus_read_block_data() uses the values returned by the i2c device to know how many data it need to return. i2c_smbus_read_block_data() can read up to 32 bytes (I2C_SMBUS_BLOCK_MAX) and there is no safeguard on how many bytes are provided in the return value. Ensure we always have enough space for any future firmware. Also 0-initialize the values to prevent any access to uninitialized memory. Cc: <stable(a)vger.kernel.org> # v4.4.x, v4.9.x, v4.14.x, v4.15.x, v4.16.x Signed-off-by: Benjamin Tissoires <benjamin.tissoires(a)redhat.com> --- no changes in v2 drivers/input/mouse/elan_i2c_smbus.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c index 29f99529b187..cfcb32559925 100644 --- a/drivers/input/mouse/elan_i2c_smbus.c +++ b/drivers/input/mouse/elan_i2c_smbus.c @@ -130,7 +130,7 @@ static int elan_smbus_get_baseline_data(struct i2c_client *client, bool max_baseline, u8 *value) { int error; - u8 val[3]; + u8 val[I2C_SMBUS_BLOCK_MAX] = {0}; error = i2c_smbus_read_block_data(client, max_baseline ? @@ -149,7 +149,7 @@ static int elan_smbus_get_version(struct i2c_client *client, bool iap, u8 *version) { int error; - u8 val[3]; + u8 val[I2C_SMBUS_BLOCK_MAX] = {0}; error = i2c_smbus_read_block_data(client, iap ? ETP_SMBUS_IAP_VERSION_CMD : @@ -170,7 +170,7 @@ static int elan_smbus_get_sm_version(struct i2c_client *client, u8 *clickpad) { int error; - u8 val[3]; + u8 val[I2C_SMBUS_BLOCK_MAX] = {0}; error = i2c_smbus_read_block_data(client, ETP_SMBUS_SM_VERSION_CMD, val); @@ -188,7 +188,7 @@ static int elan_smbus_get_sm_version(struct i2c_client *client, static int elan_smbus_get_product_id(struct i2c_client *client, u16 *id) { int error; - u8 val[3]; + u8 val[I2C_SMBUS_BLOCK_MAX] = {0}; error = i2c_smbus_read_block_data(client, ETP_SMBUS_UNIQUEID_CMD, val); @@ -205,7 +205,7 @@ static int elan_smbus_get_checksum(struct i2c_client *client, bool iap, u16 *csum) { int error; - u8 val[3]; + u8 val[I2C_SMBUS_BLOCK_MAX] = {0}; error = i2c_smbus_read_block_data(client, iap ? ETP_SMBUS_FW_CHECKSUM_CMD : @@ -226,7 +226,7 @@ static int elan_smbus_get_max(struct i2c_client *client, { int ret; int error; - u8 val[3]; + u8 val[I2C_SMBUS_BLOCK_MAX] = {0}; ret = i2c_smbus_read_block_data(client, ETP_SMBUS_RANGE_CMD, val); if (ret != 3) { @@ -246,7 +246,7 @@ static int elan_smbus_get_resolution(struct i2c_client *client, { int ret; int error; - u8 val[3]; + u8 val[I2C_SMBUS_BLOCK_MAX] = {0}; ret = i2c_smbus_read_block_data(client, ETP_SMBUS_RESOLUTION_CMD, val); if (ret != 3) { @@ -267,7 +267,7 @@ static int elan_smbus_get_num_traces(struct i2c_client *client, { int ret; int error; - u8 val[3]; + u8 val[I2C_SMBUS_BLOCK_MAX] = {0}; ret = i2c_smbus_read_block_data(client, ETP_SMBUS_XY_TRACENUM_CMD, val); if (ret != 3) { @@ -294,7 +294,7 @@ static int elan_smbus_iap_get_mode(struct i2c_client *client, { int error; u16 constant; - u8 val[3]; + u8 val[I2C_SMBUS_BLOCK_MAX] = {0}; error = i2c_smbus_read_block_data(client, ETP_SMBUS_IAP_CTRL_CMD, val); if (error < 0) { @@ -345,7 +345,7 @@ static int elan_smbus_prepare_fw_update(struct i2c_client *client) int len; int error; enum tp_mode mode; - u8 val[3]; + u8 val[I2C_SMBUS_BLOCK_MAX] = {0}; u8 cmd[4] = {0x0F, 0x78, 0x00, 0x06}; u16 password; @@ -419,7 +419,7 @@ static int elan_smbus_write_fw_block(struct i2c_client *client, struct device *dev = &client->dev; int error; u16 result; - u8 val[3]; + u8 val[I2C_SMBUS_BLOCK_MAX] = {0}; /* * Due to the limitation of smbus protocol limiting -- 2.14.3

6 years, 9 months

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[PATCH v2 1/9] Input: synaptics - add Lenovo 80 series ids to SMBus

by Benjamin Tissoires

This time, Lenovo decided to go with different pieces in its latest series of Thinkpads. For those we have been able to test: - the T480 is using Synaptics with an IBM trackpoint -> it behaves properly with or without intertouch, there is no point not using RMI4 - the X1 Carbon 6th gen is using Synaptics with an IBM trackpoint -> the touchpad doesn't behave properly under PS/2 so we have to switch it to RMI4 if we do not want to have disappointed users - the X280 is using Synaptics with an ALPS trackpoint -> the recent fixes in the trackpoint handling fixed it so upstream now works fine with or without RMI4, and there is no point not using RMI4 - the T480s is using an Elan touchpad, so that's a different story Cc: <stable(a)vger.kernel.org> # v4.14.x, v4.15.x, v4.16.x Signed-off-by: Benjamin Tissoires <benjamin.tissoires(a)redhat.com> --- no changes in v2 drivers/input/mouse/synaptics.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 60f2c463d1cc..14a1188561aa 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -173,6 +173,9 @@ static const char * const smbus_pnp_ids[] = { "LEN0046", /* X250 */ "LEN004a", /* W541 */ "LEN200f", /* T450s */ + "LEN0071", /* T480 */ + "LEN0092", /* X1 Carbon 6th gen */ + "LEN0097", /* X280 -> ALPS trackpoint */ NULL }; -- 2.14.3

6 years, 9 months

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Re: [PATCH 1/8] Input: synaptics - add Lenovo 80 series ids to SMBus

by Sasha Levin

Hi, [This is an automated email] This commit has been processed by the -stable helper bot and determined to be a high probability candidate for -stable trees. (score: 30.7757) The bot has tested the following trees: v4.16, v4.15.15, v4.14.32, v4.9.92, v4.4.126. v4.16: Build OK! v4.15.15: Build OK! v4.14.32: Build OK! v4.9.92: Failed to apply! Possible dependencies: e839ffab0289 ("Input: synaptics - add support for Intertouch devices") v4.4.126: Failed to apply! Possible dependencies: e839ffab0289 ("Input: synaptics - add support for Intertouch devices") Please let us know if you'd like to have this patch included in a stable tree. -- Thanks, Sasha

6 years, 9 months

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Re: [PATCH 2/8] input: elan_i2c_smbus - fix corrupted stack

by Sasha Levin

Hi, [This is an automated email] This commit has been processed by the -stable helper bot and determined to be a high probability candidate for -stable trees. (score: 16.2224) The bot has tested the following trees: v4.16, v4.15.15, v4.14.32, v4.9.92, v4.4.126. v4.16: Build OK! v4.15.15: Build OK! v4.14.32: Build OK! v4.9.92: Build OK! v4.4.126: Build OK! Please let us know if you'd like to have this patch included in a stable tree. -- Thanks, Sasha

6 years, 9 months

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[PATCH 3.18 00/93] 3.18.103-stable review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 3.18.103 release. There are 93 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sun Apr 8 08:42:04 UTC 2018. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v3.x/stable-review/patch-3.18.103-r… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-3.18.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 3.18.103-rc1 Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Revert "ARM: dts: am335x-pepper: Fix the audio CODEC's reset pin" Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Revert "ARM: dts: omap3-n900: Fix the audio CODEC's reset pin" Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Revert "PCI/MSI: Stop disabling MSI/MSI-X in pci_device_shutdown()" Guoqing Jiang <gqjiang(a)suse.com> md/raid10: reset the 'first' at the end of loop Keerthy <j-keerthy(a)ti.com> ARM: dts: dra7: Add power hold and power controller properties to palmas Keerthy <j-keerthy(a)ti.com> Documentation: pinctrl: palmas: Add ti,palmas-powerhold-override property definition Mike Frysinger <vapier(a)chromium.org> vt: change SGR 21 to follow the standards Ondrej Zary <linux(a)rainbow-software.org> Input: i8042 - enable MUX on Sony VAIO VGN-CS series to fix touchpad Dennis Wassenberg <dennis.wassenberg(a)secunet.com> Input: i8042 - add Lenovo ThinkPad L460 to i8042 reset list Andy Lutomirski <luto(a)kernel.org> fs/proc: Stop trying to report thread stacks Johannes Weiner <hannes(a)cmpxchg.org> proc: revert /proc/<pid>/maps [stack:TID] annotation Eric Biggers <ebiggers(a)google.com> crypto: x86/cast5-avx - fix ECB encryption when long sg follows short one Herbert Xu <herbert(a)gondor.apana.org.au> crypto: ahash - Fix early termination in hash walk Alexander Gerasiov <gq(a)redlab-i.ru> parport_pc: Add support for WCH CH382L PCI-E single parallel port card. Oliver Neukum <oneukum(a)suse.com> media: usbtv: prevent double free in error case Colin Ian King <colin.king(a)canonical.com> mei: remove dev_err message on an unsupported ioctl Johan Hovold <johan(a)kernel.org> USB: serial: cp210x: add ELDAT Easywave RX09 id Clemens Werther <clemens.werther(a)gmail.com> USB: serial: ftdi_sio: add support for Harman FirmwareHubEmulator Major Hayden <major(a)mhtx.net> USB: serial: ftdi_sio: add RT Systems VX-8 cable Mauro Carvalho Chehab <mchehab(a)s-opensource.com> media: v4l2-compat-ioctl32: initialize a reserved field Mauro Carvalho Chehab <mchehab(a)s-opensource.com> media: v4l2-compat-ioctl32: use compat_u64 for video standard Ricardo Ribalda <ricardo.ribalda(a)gmail.com> media: media/v4l2-ctrls: volatiles should not generate CH_VALUE Hans Verkuil <hans.verkuil(a)cisco.com> media: v4l2-ctrls: fix sparse warning Daniel Mentz <danielmentz(a)google.com> media: v4l2-compat-ioctl32.c: refactor compat ioctl32 logic Hans Verkuil <hans.verkuil(a)cisco.com> media: v4l2-compat-ioctl32.c: don't copy back the result for certain errors Hans Verkuil <hans.verkuil(a)cisco.com> media: v4l2-compat-ioctl32.c: drop pr_info for unknown buffer type Hans Verkuil <hans.verkuil(a)cisco.com> media: v4l2-compat-ioctl32.c: copy clip list in put_v4l2_window32 Daniel Mentz <danielmentz(a)google.com> media: v4l2-compat-ioctl32: Copy v4l2_window->global_alpha Hans Verkuil <hansverk(a)cisco.com> media: v4l2-compat-ioctl32.c: make ctrl_is_pointer work for subdevs Hans Verkuil <hans.verkuil(a)cisco.com> media: v4l2-compat-ioctl32.c: fix ctrl_is_pointer Hans Verkuil <hans.verkuil(a)cisco.com> media: v4l2-compat-ioctl32.c: copy m.userptr in put_v4l2_plane32 Hans Verkuil <hans.verkuil(a)cisco.com> media: v4l2-compat-ioctl32.c: avoid sizeof(type) Hans Verkuil <hans.verkuil(a)cisco.com> media: v4l2-compat-ioctl32.c: move 'helper' functions to __get/put_v4l2_format32 Hans Verkuil <hans.verkuil(a)cisco.com> media: v4l2-compat-ioctl32.c: fix the indentation Hans Verkuil <hans.verkuil(a)cisco.com> media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF Ricardo Ribalda <ricardo.ribalda(a)gmail.com> vb2: V4L2_BUF_FLAG_DONE is set after DQBUF Hans Verkuil <hans.verkuil(a)cisco.com> media: v4l2-ioctl.c: don't copy back the result for -ENOTTY Paolo Bonzini <pbonzini(a)redhat.com> scsi: virtio_scsi: always read VPD pages for multiqueue too Szymon Janc <szymon.janc(a)codecoup.pl> Bluetooth: Fix missing encryption refresh on Security Request Florian Westphal <fw(a)strlen.de> netfilter: x_tables: add and use xt_check_proc_name Florian Westphal <fw(a)strlen.de> netfilter: bridge: ebt_among: add more missing match size checks Steffen Klassert <steffen.klassert(a)secunet.com> xfrm: Refuse to insert 32 bit userspace socket policies on 64 bit systems Greg Hackmann <ghackmann(a)google.com> net: xfrm: use preempt-safe this_cpu_read() in ipcomp_alloc_tfms() Florian Westphal <fw(a)strlen.de> xfrm_user: uncoditionally validate esn replay attribute struct Masami Hiramatsu <mhiramat(a)kernel.org> kprobes/x86: Fix to set RWX bits correctly before releasing trampoline Ben Hutchings <ben.hutchings(a)codethink.co.uk> xhci: Fix ring leak in failure path of xhci_alloc_virt_device() Ben Hutchings <ben.hutchings(a)codethink.co.uk> Revert "led: core: Fix brightness setting when setting delay_off=0" Krzysztof Opasiak <kopasiak90(a)gmail.com> usb: gadget: f_hid: fix: Prevent accessing released memory Felipe F. Tonello <eu(a)felipetonello.com> usb: gadget: align buffer size when allocating for OUT endpoint Felipe F. Tonello <eu(a)felipetonello.com> usb: gadget: fix usb_ep_align_maybe endianness and new usb_ep_align Felipe F. Tonello <eu(a)felipetonello.com> usb: gadget: change len to size_t on alloc_ep_req() Felipe F. Tonello <eu(a)felipetonello.com> usb: gadget: define free_ep_req as universal function Richard Narron <comet.berkeley(a)gmail.com> partitions/msdos: Unable to mount UFS 44bsd partitions Linus Torvalds <torvalds(a)linux-foundation.org> perf/hwbp: Simplify the perf-hwbp code, fix documentation Dan Carpenter <dan.carpenter(a)oracle.com> ALSA: pcm: potential uninitialized return values Stefan Roese <sr(a)denx.de> ALSA: pcm: Use dma_bytes as size parameter in dma_mmap_coherent() Linus Walleij <linus.walleij(a)linaro.org> mtd: jedec_probe: Fix crash in jedec_read_mfr() Florian Fainelli <f.fainelli(a)gmail.com> net: fec: Fix unbalanced PM runtime calls Julian Wiedmann <jwi(a)linux.vnet.ibm.com> s390/qeth: on channel error, reject further cmd requests Julian Wiedmann <jwi(a)linux.vnet.ibm.com> s390/qeth: lock read device while queueing next buffer Julian Wiedmann <jwi(a)linux.vnet.ibm.com> s390/qeth: when thread completes, wake up all waiters Julian Wiedmann <jwi(a)linux.vnet.ibm.com> s390/qeth: free netdevice when removing a card Arkadi Sharshevsky <arkadis(a)mellanox.com> team: Fix double free in error path Vinicius Costa Gomes <vinicius.gomes(a)intel.com> skbuff: Fix not waking applications when errors are enqueued David Ahern <dsahern(a)gmail.com> net: Only honor ifindex in IP_PKTINFO if non-0 Nicolas Dichtel <nicolas.dichtel(a)6wind.com> netlink: avoid a double skb free in genlmsg_mcast() Arvind Yadav <arvind.yadav.cs(a)gmail.com> net/iucv: Free memory obtained by kzalloc Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> net: ethernet: arc: Fix a potential memory leak if an optional regulator is deferred Eric Dumazet <edumazet(a)google.com> l2tp: do not accept arbitrary sockets Lorenzo Bianconi <lorenzo.bianconi(a)redhat.com> ipv6: fix access to non-linear packet in ndisc_fill_redirect_hdr_option() Alexey Kodanev <alexey.kodanev(a)oracle.com> dccp: check sk for closed state in dccp_sendmsg() Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Revert "genirq: Use irqd_get_trigger_type to compare the trigger type for shared IRQs" Johannes Thumshirn <jthumshirn(a)suse.de> scsi: sg: don't return bogus Sg_requests Linus Torvalds <torvalds(a)linux-foundation.org> kvm/x86: fix icebp instruction handling Linus Torvalds <torvalds(a)linux-foundation.org> tty: vt: fix up tabstops properly Andri Yngvason <andri.yngvason(a)marel.com> can: cc770: Fix use after free in cc770_tx_interrupt() Andri Yngvason <andri.yngvason(a)marel.com> can: cc770: Fix queue stall & dropped RTR reply Andri Yngvason <andri.yngvason(a)marel.com> can: cc770: Fix stalls on rt-linux, remove redundant IRQ ack Dan Carpenter <dan.carpenter(a)oracle.com> staging: ncpfs: memory corruption in ncp_read_kernel() Masami Hiramatsu <mhiramat(a)kernel.org> tracing: probeevent: Fix to support minus offset from symbol Arend Van Spriel <arend.vanspriel(a)broadcom.com> brcmfmac: fix P2P_DEVICE ethernet address generation Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> drm: udl: Properly check framebuffer mmap offsets Hans de Goede <hdegoede(a)redhat.com> libata: Modify quirks for MX100 to limit NCQ_TRIM quirk to MU01 version Hans de Goede <hdegoede(a)redhat.com> libata: Make Crucial BX100 500GB LPM quirk apply to all firmware versions Hans de Goede <hdegoede(a)redhat.com> libata: Apply NOLPM quirk to Crucial M500 480 and 960GB SSDs Ju Hyung Park <qkrwngud825(a)gmail.com> libata: Enable queued TRIM for Samsung SSD 860 Kai-Heng Feng <kai.heng.feng(a)canonical.com> libata: disable LPM for Crucial BX100 SSD 500GB drive Hans de Goede <hdegoede(a)redhat.com> libata: Apply NOLPM quirk to Crucial MX100 512GB SSDs Eric Biggers <ebiggers(a)google.com> libata: remove WARN() for DMA or PIO command without data Eric Biggers <ebiggers(a)google.com> libata: fix length validation of ATAPI-relayed SCSI commands Takashi Iwai <tiwai(a)suse.de> ALSA: aloop: Fix access to not-yet-ready substream via cable Takashi Iwai <tiwai(a)suse.de> ALSA: aloop: Sync stale timer before release Kirill Marinushkin <k.marinushkin(a)gmail.com> ALSA: usb-audio: Fix parsing descriptor of UAC2 processing unit ------------- Diffstat: .../devicetree/bindings/pinctrl/pinctrl-palmas.txt | 9 + Documentation/filesystems/proc.txt | 31 +- Makefile | 4 +- arch/arm/boot/dts/am335x-pepper.dts | 2 +- arch/arm/boot/dts/dra7-evm.dts | 2 + arch/arm/boot/dts/omap3-n900.dts | 4 +- arch/x86/crypto/cast5_avx_glue.c | 3 +- arch/x86/include/asm/vmx.h | 1 + arch/x86/kernel/kprobes/core.c | 9 + arch/x86/kvm/vmx.c | 9 +- block/partitions/msdos.c | 4 +- crypto/ahash.c | 7 +- drivers/ata/libata-core.c | 26 +- drivers/ata/libata-scsi.c | 4 +- drivers/gpu/drm/udl/udl_fb.c | 9 +- drivers/input/serio/i8042-x86ia64io.h | 24 + drivers/leds/led-core.c | 2 +- drivers/md/raid10.c | 1 + drivers/media/usb/usbtv/usbtv-core.c | 2 + drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 1020 ++++++++++++-------- drivers/media/v4l2-core/v4l2-ctrls.c | 96 +- drivers/media/v4l2-core/v4l2-ioctl.c | 5 +- drivers/media/v4l2-core/videobuf2-core.c | 5 + drivers/misc/mei/main.c | 1 - drivers/mtd/chips/jedec_probe.c | 2 + drivers/net/can/cc770/cc770.c | 100 +- drivers/net/can/cc770/cc770.h | 2 + drivers/net/ethernet/arc/emac_rockchip.c | 6 +- drivers/net/ethernet/freescale/fec_main.c | 2 + drivers/net/team/team.c | 4 +- drivers/net/wireless/brcm80211/brcmfmac/p2p.c | 24 +- drivers/parport/parport_pc.c | 4 + drivers/pci/pci-driver.c | 2 + drivers/s390/net/qeth_core_main.c | 21 +- drivers/s390/net/qeth_l2_main.c | 2 +- drivers/s390/net/qeth_l3_main.c | 2 +- drivers/scsi/sg.c | 5 +- drivers/scsi/virtio_scsi.c | 1 + drivers/tty/vt/vt.c | 14 +- drivers/usb/gadget/function/f_hid.c | 24 +- drivers/usb/gadget/function/f_midi.c | 6 - drivers/usb/gadget/function/f_sourcesink.c | 6 - drivers/usb/gadget/function/g_zero.h | 1 - drivers/usb/gadget/u_f.c | 6 +- drivers/usb/gadget/u_f.h | 26 +- drivers/usb/host/xhci-mem.c | 3 +- drivers/usb/serial/cp210x.c | 1 + drivers/usb/serial/ftdi_sio.c | 2 + drivers/usb/serial/ftdi_sio_ids.h | 9 + fs/ncpfs/ncplib_kernel.c | 4 + fs/proc/task_mmu.c | 63 +- fs/proc/task_nommu.c | 43 +- include/linux/mm.h | 3 +- include/linux/netfilter/x_tables.h | 2 + include/linux/usb/gadget.h | 17 +- include/uapi/linux/usb/audio.h | 4 +- kernel/events/hw_breakpoint.c | 30 +- kernel/irq/manage.c | 4 +- kernel/kprobes.c | 2 +- kernel/trace/trace_kprobe.c | 4 +- kernel/trace/trace_probe.c | 8 +- kernel/trace/trace_probe.h | 2 +- mm/util.c | 27 +- net/bluetooth/smp.c | 8 +- net/bridge/netfilter/ebt_among.c | 34 + net/core/skbuff.c | 2 +- net/dccp/proto.c | 5 + net/ipv4/ip_sockglue.c | 6 +- net/ipv6/ndisc.c | 3 +- net/iucv/af_iucv.c | 4 +- net/l2tp/l2tp_core.c | 8 +- net/netfilter/x_tables.c | 30 + net/netfilter/xt_hashlimit.c | 5 +- net/netfilter/xt_recent.c | 6 +- net/netlink/genetlink.c | 2 +- net/xfrm/xfrm_ipcomp.c | 2 +- net/xfrm/xfrm_state.c | 5 + net/xfrm/xfrm_user.c | 21 +- sound/core/oss/pcm_oss.c | 4 +- sound/core/pcm_native.c | 2 +- sound/drivers/aloop.c | 17 +- 81 files changed, 1176 insertions(+), 756 deletions(-)

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Patch "net: fec: fix build error in fec driver" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled net: fec: fix build error in fec driver to the 3.18-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: net-fec-fix-build-error-in-fec-driver.patch and it can be found in the queue-3.18 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 10:11:02 CEST 2018 Date: Mon, 09 Apr 2018 10:11:02 +0200 To: Greg KH <gregkh(a)linuxfoundation.org> From: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Subject: net: fec: fix build error in fec driver From: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> commit f4d8124a4ade232cae1161a6aca86e0c0a1fa4f6 which is commit a069215cf5985f3aa1bba550264907d6bd05c5f7 upstream caused a build error in the driver, as the pm functions were not included properly. So fix that by including the needed .h file. Reported-by: Guenter Roeck <linux(a)roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/ethernet/freescale/fec_main.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -58,6 +58,7 @@ #include <linux/if_vlan.h> #include <linux/pinctrl/consumer.h> #include <linux/prefetch.h> +#include <linux/pm_runtime.h> #include <asm/cacheflush.h> Patches currently in stable-queue which might be from gregkh(a)linuxfoundation.org are queue-3.18/net-fec-fix-build-error-in-fec-driver.patch

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Linux-stable-mirror April 2018