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FAILED: patch "[PATCH] drm/i915: Update watermark state correctly in" failed to apply to 4.9-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.9-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 556fe36d09da5f82879e92bafa0371b4b79f7d6f Mon Sep 17 00:00:00 2001 From: Maarten Lankhorst <maarten.lankhorst(a)linux.intel.com> Date: Fri, 10 Nov 2017 12:34:53 +0100 Subject: [PATCH] drm/i915: Update watermark state correctly in sanitize_watermarks MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We no longer use intel_crtc->wm.active for watermarks any more, which was incorrect. But this uncovered a bug in sanitize_watermarks(), which meant that we wrote the correct watermarks, but the next update would still use the wrong hw watermarks for calculating. This caused all further updates to fail with -EINVAL and the log would reveal an error like the one below: [ 10.043902] [drm:ilk_validate_wm_level.part.8 [i915]] Sprite WM0 too large 56 (max 0) [ 10.043960] [drm:ilk_validate_pipe_wm [i915]] LP0 watermark invalid [ 10.044030] [drm:intel_crtc_atomic_check [i915]] No valid intermediate pipe watermarks are possible Signed-off-by: Maarten Lankhorst <maarten.lankhorst(a)linux.intel.com> Fixes: b6b178a77210 ("drm/i915: Calculate ironlake intermediate watermarks correctly, v2.") Cc: stable(a)vger.kernel.org #v4.8+ Link: https://patchwork.freedesktop.org/patch/msgid/20171110113503.16253-1-maarte… Signed-off-by: Maarten Lankhorst <maarten.lankhorst(a)linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala(a)linux.intel.com> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5c7540f3f5dc..63c8b9ccb31e 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -14443,6 +14443,8 @@ static void sanitize_watermarks(struct drm_device *dev) cs->wm.need_postvbl_update = true; dev_priv->display.optimize_watermarks(intel_state, cs); + + to_intel_crtc_state(crtc->state)->wm = cs->wm; } put_state:

7 years, 6 months

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FAILED: patch "[PATCH] drm/i915/perf: fix perf stream opening lock" failed to apply to 4.14-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.14-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From f616f2830c1ed79245cfeca900f7e8a3b3c08c06 Mon Sep 17 00:00:00 2001 From: Lionel Landwerlin <lionel.g.landwerlin(a)intel.com> Date: Thu, 1 Mar 2018 11:06:13 +0000 Subject: [PATCH] drm/i915/perf: fix perf stream opening lock We're seeing on CI that some contexts don't have the programmed OA period timer that directs the OA unit on how often to write reports. The issue is that we're not holding the drm lock from when we edit the context images down to when we set the exclusive_stream variable. This leaves a window for the deferred context allocation to call i915_oa_init_reg_state() that will not program the expected OA timer value, because we haven't set the exclusive_stream yet. v2: Drop need_lock from gen8_configure_all_contexts() (Matt) Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin(a)intel.com> Reviewed-by: Matthew Auld <matthew.auld(a)intel.com> Reviewed-by: Chris Wilson <chris(a)chris-wilson.co.uk> Fixes: 701f8231a2f ("drm/i915/perf: prune OA configs") Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102254 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103715 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103755 Link: https://patchwork.freedesktop.org/patch/msgid/20180301110613.1737-1-lionel.… Cc: Jani Nikula <jani.nikula(a)linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen(a)linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi(a)intel.com> Cc: intel-gfx(a)lists.freedesktop.org Cc: <stable(a)vger.kernel.org> # v4.14+ (cherry picked from commit 41d3fdcd15d5ecf29cc73e8b79c2327ebb54b960) Signed-off-by: Rodrigo Vivi <rodrigo.vivi(a)intel.com> diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 0be50e43507d..f8fe5ffcdcff 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -1303,9 +1303,8 @@ static void i915_oa_stream_destroy(struct i915_perf_stream *stream) */ mutex_lock(&dev_priv->drm.struct_mutex); dev_priv->perf.oa.exclusive_stream = NULL; - mutex_unlock(&dev_priv->drm.struct_mutex); - dev_priv->perf.oa.ops.disable_metric_set(dev_priv); + mutex_unlock(&dev_priv->drm.struct_mutex); free_oa_buffer(dev_priv); @@ -1756,22 +1755,13 @@ static int gen8_switch_to_updated_kernel_context(struct drm_i915_private *dev_pr * Note: it's only the RCS/Render context that has any OA state. */ static int gen8_configure_all_contexts(struct drm_i915_private *dev_priv, - const struct i915_oa_config *oa_config, - bool interruptible) + const struct i915_oa_config *oa_config) { struct i915_gem_context *ctx; int ret; unsigned int wait_flags = I915_WAIT_LOCKED; - if (interruptible) { - ret = i915_mutex_lock_interruptible(&dev_priv->drm); - if (ret) - return ret; - - wait_flags |= I915_WAIT_INTERRUPTIBLE; - } else { - mutex_lock(&dev_priv->drm.struct_mutex); - } + lockdep_assert_held(&dev_priv->drm.struct_mutex); /* Switch away from any user context. */ ret = gen8_switch_to_updated_kernel_context(dev_priv, oa_config); @@ -1819,8 +1809,6 @@ static int gen8_configure_all_contexts(struct drm_i915_private *dev_priv, } out: - mutex_unlock(&dev_priv->drm.struct_mutex); - return ret; } @@ -1863,7 +1851,7 @@ static int gen8_enable_metric_set(struct drm_i915_private *dev_priv, * to make sure all slices/subslices are ON before writing to NOA * registers. */ - ret = gen8_configure_all_contexts(dev_priv, oa_config, true); + ret = gen8_configure_all_contexts(dev_priv, oa_config); if (ret) return ret; @@ -1878,7 +1866,7 @@ static int gen8_enable_metric_set(struct drm_i915_private *dev_priv, static void gen8_disable_metric_set(struct drm_i915_private *dev_priv) { /* Reset all contexts' slices/subslices configurations. */ - gen8_configure_all_contexts(dev_priv, NULL, false); + gen8_configure_all_contexts(dev_priv, NULL); I915_WRITE(GDT_CHICKEN_BITS, (I915_READ(GDT_CHICKEN_BITS) & ~GT_NOA_ENABLE)); @@ -1888,7 +1876,7 @@ static void gen8_disable_metric_set(struct drm_i915_private *dev_priv) static void gen10_disable_metric_set(struct drm_i915_private *dev_priv) { /* Reset all contexts' slices/subslices configurations. */ - gen8_configure_all_contexts(dev_priv, NULL, false); + gen8_configure_all_contexts(dev_priv, NULL); /* Make sure we disable noa to save power. */ I915_WRITE(RPM_CONFIG1, @@ -2138,6 +2126,10 @@ static int i915_oa_stream_init(struct i915_perf_stream *stream, if (ret) goto err_oa_buf_alloc; + ret = i915_mutex_lock_interruptible(&dev_priv->drm); + if (ret) + goto err_lock; + ret = dev_priv->perf.oa.ops.enable_metric_set(dev_priv, stream->oa_config); if (ret) @@ -2145,23 +2137,17 @@ static int i915_oa_stream_init(struct i915_perf_stream *stream, stream->ops = &i915_oa_stream_ops; - /* Lock device for exclusive_stream access late because - * enable_metric_set() might lock as well on gen8+. - */ - ret = i915_mutex_lock_interruptible(&dev_priv->drm); - if (ret) - goto err_lock; - dev_priv->perf.oa.exclusive_stream = stream; mutex_unlock(&dev_priv->drm.struct_mutex); return 0; -err_lock: +err_enable: dev_priv->perf.oa.ops.disable_metric_set(dev_priv); + mutex_unlock(&dev_priv->drm.struct_mutex); -err_enable: +err_lock: free_oa_buffer(dev_priv); err_oa_buf_alloc:

7 years, 6 months

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please do *NOT* backport 9965db26ac05 ("drm/i915: Check for fused or unused pipes")

by Jani Nikula

Stable team, commit 9965db26ac05 ("drm/i915: Check for fused or unused pipes") with Cc: stable is broken, please do not backport. Thanks, Jani. -- Jani Nikula, Intel Open Source Technology Center

7 years, 6 months

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FAILED: patch "[PATCH] drm/i915/audio: fix check for av_enc_map overflow" failed to apply to 4.14-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.14-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 72a6d72c2cd03bba7b70117b63dea83d2de88057 Mon Sep 17 00:00:00 2001 From: Jani Nikula <jani.nikula(a)intel.com> Date: Wed, 14 Feb 2018 19:38:40 +0200 Subject: [PATCH] drm/i915/audio: fix check for av_enc_map overflow Turns out -1 >= ARRAY_SIZE() is always true. Move the bounds check where we know pipe >= 0 and next to the array indexing where it makes most sense. Fixes: 9965db26ac05 ("drm/i915: Check for fused or unused pipes") Fixes: 0b7029b7e43f ("drm/i915: Check for fused or unused pipes") Cc: <stable(a)vger.kernel.org> # v4.10+ Cc: Mika Kahola <mika.kahola(a)intel.com> Cc: Rodrigo Vivi <rodrigo.vivi(a)intel.com> Cc: Jani Nikula <jani.nikula(a)linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen(a)linux.intel.com> Cc: intel-gfx(a)lists.freedesktop.org Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan(a)intel.com> Reviewed-by: Mika Kahola <mika.kahola(a)intel.com> Signed-off-by: Jani Nikula <jani.nikula(a)intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180214173840.25360-1-jani.n… (cherry picked from commit cdb3db8542d854bd678d60cd28861b042e191672) Signed-off-by: Rodrigo Vivi <rodrigo.vivi(a)intel.com> diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 522d54fecb53..4a01f62a392d 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -779,11 +779,11 @@ static struct intel_encoder *get_saved_enc(struct drm_i915_private *dev_priv, { struct intel_encoder *encoder; - if (WARN_ON(pipe >= ARRAY_SIZE(dev_priv->av_enc_map))) - return NULL; - /* MST */ if (pipe >= 0) { + if (WARN_ON(pipe >= ARRAY_SIZE(dev_priv->av_enc_map))) + return NULL; + encoder = dev_priv->av_enc_map[pipe]; /* * when bootup, audio driver may not know it is

7 years, 6 months

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FAILED: patch "[PATCH] drm/i915/audio: fix check for av_enc_map overflow" failed to apply to 4.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 72a6d72c2cd03bba7b70117b63dea83d2de88057 Mon Sep 17 00:00:00 2001 From: Jani Nikula <jani.nikula(a)intel.com> Date: Wed, 14 Feb 2018 19:38:40 +0200 Subject: [PATCH] drm/i915/audio: fix check for av_enc_map overflow Turns out -1 >= ARRAY_SIZE() is always true. Move the bounds check where we know pipe >= 0 and next to the array indexing where it makes most sense. Fixes: 9965db26ac05 ("drm/i915: Check for fused or unused pipes") Fixes: 0b7029b7e43f ("drm/i915: Check for fused or unused pipes") Cc: <stable(a)vger.kernel.org> # v4.10+ Cc: Mika Kahola <mika.kahola(a)intel.com> Cc: Rodrigo Vivi <rodrigo.vivi(a)intel.com> Cc: Jani Nikula <jani.nikula(a)linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen(a)linux.intel.com> Cc: intel-gfx(a)lists.freedesktop.org Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan(a)intel.com> Reviewed-by: Mika Kahola <mika.kahola(a)intel.com> Signed-off-by: Jani Nikula <jani.nikula(a)intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180214173840.25360-1-jani.n… (cherry picked from commit cdb3db8542d854bd678d60cd28861b042e191672) Signed-off-by: Rodrigo Vivi <rodrigo.vivi(a)intel.com> diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 522d54fecb53..4a01f62a392d 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -779,11 +779,11 @@ static struct intel_encoder *get_saved_enc(struct drm_i915_private *dev_priv, { struct intel_encoder *encoder; - if (WARN_ON(pipe >= ARRAY_SIZE(dev_priv->av_enc_map))) - return NULL; - /* MST */ if (pipe >= 0) { + if (WARN_ON(pipe >= ARRAY_SIZE(dev_priv->av_enc_map))) + return NULL; + encoder = dev_priv->av_enc_map[pipe]; /* * when bootup, audio driver may not know it is

7 years, 6 months

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FAILED: patch "[PATCH] drm/i915: Check for fused or unused pipes" failed to apply to 4.14-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.14-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 9965db26ac0548648309f506dc155a92daa2158f Mon Sep 17 00:00:00 2001 From: Mika Kahola <mika.kahola(a)intel.com> Date: Mon, 18 Dec 2017 10:04:03 +0200 Subject: [PATCH] drm/i915: Check for fused or unused pipes We may have fused or unused pipes in our system. Let's check that the pipe in question is within limits of accessible pipes. In case, that we are not able to access the pipe, we return early with a warning. v2: Rephrasing of the commit message (Jani) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103206 Reported-by: Thomas Gleixner <tglx(a)linutronix.de> Tested-by: Jaswinder Singh Rajput <jaswinder(a)perfectintelligent.com> Suggested-by: Jani Nikula <jani.nikula(a)intel.com> Reviewed-by: Jani Nikula <jani.nikula(a)intel.com> Signed-off-by: Mika Kahola <mika.kahola(a)intel.com> Signed-off-by: Jani Nikula <jani.nikula(a)intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1513584243-12607-1-git-send-e… (cherry picked from commit 0b7029b7e43fda1304c181a3ade0b429b9edcd9d) Signed-off-by: Rodrigo Vivi <rodrigo.vivi(a)intel.com> Cc: <stable(a)vger.kernel.org> # v4.10+ diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index f1502a0188eb..522d54fecb53 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -779,7 +779,7 @@ static struct intel_encoder *get_saved_enc(struct drm_i915_private *dev_priv, { struct intel_encoder *encoder; - if (WARN_ON(pipe >= INTEL_INFO(dev_priv)->num_pipes)) + if (WARN_ON(pipe >= ARRAY_SIZE(dev_priv->av_enc_map))) return NULL; /* MST */

7 years, 6 months

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[PATCH] usb: quirks: add control message delay for 1b1c:1b20

by Danilo Krummrich

Corsair Strafe RGB keyboard does not respond to usb control messages sometimes and hence generates timeouts. Commit de3af5bf259d ("usb: quirks: add delay init quirk for Corsair Strafe RGB keyboard") tried to fix those timeouts by adding USB_QUIRK_DELAY_INIT. Unfortunately, even with this quirk timeouts of usb_control_msg() can still be seen, but with a lower frequency (approx. 1 out of 15): [ 29.103520] usb 1-8: string descriptor 0 read error: -110 [ 34.363097] usb 1-8: can't set config #1, error -110 Adding further delays to different locations where usb control messages are issued just moves the timeouts to other locations, e.g.: [ 35.400533] usbhid 1-8:1.0: can't add hid device: -110 [ 35.401014] usbhid: probe of 1-8:1.0 failed with error -110 The only way to reliably avoid those issues is having a pause after each usb control message. In approx. 200 boot cycles no more timeouts were seen. Addionaly, keep USB_QUIRK_DELAY_INIT as it turned out to be necessary to have the delay in hub_port_connect() after hub_port_init(). The overall boot time seems not to be influenced by these additional delays, even on fast machines and lightweight distributions. Fixes: de3af5bf259d ("usb: quirks: add delay init quirk for Corsair Strafe RGB keyboard") Cc: stable(a)vger.kernel.org Signed-off-by: Danilo Krummrich <danilokrummrich(a)dk-develop.de> --- drivers/usb/core/message.c | 4 ++++ drivers/usb/core/quirks.c | 3 ++- include/linux/usb/quirks.h | 3 +++ 3 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index c64cf6c4a83d..0c11d40a12bc 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -151,6 +151,10 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request, ret = usb_internal_control_msg(dev, pipe, dr, data, size, timeout); + /* Linger a bit, prior to the next control message. */ + if (dev->quirks & USB_QUIRK_DELAY_CTRL_MSG) + msleep(200); + kfree(dr); return ret; diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index f4a548471f0f..54b019e267c5 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -230,7 +230,8 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT }, /* Corsair Strafe RGB */ - { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT }, + { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT | + USB_QUIRK_DELAY_CTRL_MSG }, /* Corsair K70 LUX */ { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT }, diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index f1fcec2fd5f8..b7a99ce56bc9 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -63,4 +63,7 @@ */ #define USB_QUIRK_DISCONNECT_SUSPEND BIT(12) +/* Device needs a pause after every control message. */ +#define USB_QUIRK_DELAY_CTRL_MSG BIT(13) + #endif /* __LINUX_USB_QUIRKS_H */ -- 2.16.2

7 years, 6 months

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[PATCH v1 06/19] arm: dts: mt7623: fix USB initialization fails on bananapi-r2

by sean.wang＠mediatek.com

From: Sean Wang <sean.wang(a)mediatek.com> Fix that USB initialization fails as below runtime log is present during booting on bananapi-r2 board by adding missing regulators the USB device requires. Current regulators USB device uses are being updated with the correct ones to reflect real configurations which are all from fixed regulators rather than MT6323 one's output. [ 6.473958] xhci-mtk 1a1c0000.usb: fail to get vbus [ 6.479313] xhci-mtk 1a240000.usb: fail to get vbus Cc: stable(a)vger.kernel.org Fixes: f4ff257cd160 ("arm: dts: mt7623: add support for Bananapi R2 (BPI-R2) board") Signed-off-by: Sean Wang <sean.wang(a)mediatek.com> --- arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts index ec11e14..f660d15 100644 --- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts +++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts @@ -39,6 +39,24 @@ }; }; + reg_3p3v: regulator-3p3v { + compatible = "regulator-fixed"; + regulator-name = "fixed-3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + reg_5v: regulator-5v { + compatible = "regulator-fixed"; + regulator-name = "fixed-5V"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + regulator-always-on; + }; + gpio_keys { compatible = "gpio-keys"; pinctrl-names = "default"; @@ -502,12 +520,14 @@ }; &usb1 { - vusb33-supply = <&mt6323_vusb_reg>; + vusb33-supply = <&reg_3p3v>; + vbus-supply = <&reg_5v>; status = "okay"; }; &usb2 { - vusb33-supply = <&mt6323_vusb_reg>; + vusb33-supply = <&reg_3p3v>; + vbus-supply = <&reg_5v>; status = "okay"; }; -- 2.7.4

7 years, 6 months

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[PATCH 4.9 00/65] 4.9.87-stable review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 4.9.87 release. There are 65 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 Mon Mar 12 00:18:06 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/v4.x/stable-review/patch-4.9.87-rc1… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 4.9.87-rc1 Ernesto A. Fernández <ernesto.mnd.fernandez(a)gmail.com> btrfs: preserve i_mode if __btrfs_set_acl() fails Daniel Borkmann <daniel(a)iogearbox.net> bpf, ppc64: fix out of bounds access in tail call Eric Dumazet <edumazet(a)google.com> bpf: add schedule points in percpu arrays management Daniel Borkmann <daniel(a)iogearbox.net> bpf, arm64: fix out of bounds access in tail call Daniel Borkmann <daniel(a)iogearbox.net> bpf, x64: implement retpoline for tail call Daniel Borkmann <daniel(a)iogearbox.net> bpf: fix mlock precharge on arraymaps Daniel Borkmann <daniel(a)iogearbox.net> bpf: fix wrong exposure of map_flags into fdinfo for lpm Dan Williams <dan.j.williams(a)intel.com> mpls, nospec: Sanitize array index in mpls_label_ok() David Ahern <dsahern(a)gmail.com> net: mpls: Pull common label check into helper Alexey Kodanev <alexey.kodanev(a)oracle.com> sctp: verify size of a new chunk in _sctp_make_chunk() Julian Wiedmann <jwi(a)linux.vnet.ibm.com> s390/qeth: fix IPA command submission race Julian Wiedmann <jwi(a)linux.vnet.ibm.com> s390/qeth: fix IP address lookup for L3 devices Julian Wiedmann <jwi(a)linux.vnet.ibm.com> s390/qeth: fix double-free on IP add/remove race Julian Wiedmann <jwi(a)linux.vnet.ibm.com> s390/qeth: fix IP removal on offline cards Julian Wiedmann <jwi(a)linux.vnet.ibm.com> s390/qeth: fix overestimated count of buffer elements Julian Wiedmann <jwi(a)linux.vnet.ibm.com> s390/qeth: fix SETIP command handling Ursula Braun <ubraun(a)linux.vnet.ibm.com> s390/qeth: fix underestimated count of buffer elements Alexey Kodanev <alexey.kodanev(a)oracle.com> sctp: fix dst refcnt leak in sctp_v6_get_dst() Eric Dumazet <edumazet(a)google.com> tcp_bbr: better deal with suboptimal GSO David Howells <dhowells(a)redhat.com> rxrpc: Fix send in rxrpc_send_data_packet() Ilya Lesokhin <ilyal(a)mellanox.com> tcp: Honor the eor bit in tcp_mtu_probe Heiner Kallweit <hkallweit1(a)gmail.com> net: phy: fix phy_start to consider PHY_IGNORE_INTERRUPT Shalom Toledo <shalomt(a)mellanox.com> mlxsw: spectrum_switchdev: Check success of FDB add operation Tommi Rantala <tommi.t.rantala(a)nokia.com> sctp: fix dst refcnt leak in sctp_v4_get_dst Alexey Kodanev <alexey.kodanev(a)oracle.com> udplite: fix partial checksum initialization Guillaume Nault <g.nault(a)alphalink.fr> ppp: prevent unregistered channels from connecting to PPP units Nicolas Dichtel <nicolas.dichtel(a)6wind.com> netlink: ensure to loop over all netns in genlmsg_multicast_allns() Sabrina Dubroca <sd(a)queasysnail.net> net: ipv4: don't allow setting net.ipv4.route.min_pmtu below 68 Jakub Kicinski <jakub.kicinski(a)netronome.com> net: fix race on decreasing number of TX queues Arnd Bergmann <arnd(a)arndb.de> ipv6 sit: work around bogus gcc-8 -Wrestrict warning Denis Du <dudenis2000(a)yahoo.ca> hdlc_ppp: carrier detect ok, don't turn off negotiation Stefano Brivio <sbrivio(a)redhat.com> fib_semantics: Don't match route with mismatching tclassid Xin Long <lucien.xin(a)gmail.com> bridge: check brport attr show in brport_show Thomas Gleixner <tglx(a)linutronix.de> x86/apic/vector: Handle legacy irq data correctly Jason A. Donenfeld <Jason(a)zx2c4.com> netlink: put module reference if dump start fails NeilBrown <neilb(a)suse.com> md: only allow remove_and_add_spares when no sync_thread running. Tim Chen <tim.c.chen(a)linux.intel.com> x86/speculation: Use Indirect Branch Prediction Barrier in context switch Andy Lutomirski <luto(a)kernel.org> x86/mm: Give each mm TLB flush generation a unique ID Adam Ford <aford173(a)gmail.com> ARM: dts: LogicPD Torpedo: Fix I2C1 pinmux Adam Ford <aford173(a)gmail.com> ARM: dts: LogicPD SOM-LV: Fix I2C1 pinmux Mike Snitzer <snitzer(a)redhat.com> dm io: fix duplicate bio completion due to missing ref count Ard Biesheuvel <ard.biesheuvel(a)linaro.org> PCI/ASPM: Deal with missing root ports in link state handling Paolo Bonzini <pbonzini(a)redhat.com> KVM/VMX: Optimize vmx_vcpu_run() and svm_vcpu_run() by marking the RDMSR path as unlikely() Paolo Bonzini <pbonzini(a)redhat.com> KVM/x86: Remove indirect MSR op calls from SPEC_CTRL Wanpeng Li <wanpeng.li(a)hotmail.com> KVM: mmu: Fix overlap between public and private memslots Arnd Bergmann <arnd(a)arndb.de> ARM: kvm: fix building with gcc-8 Ulf Magnusson <ulfalizer(a)gmail.com> ARM: mvebu: Fix broken PL310_ERRATA_753970 selects Rasmus Villemoes <linux(a)rasmusvillemoes.dk> nospec: Allow index argument to have const-qualified type Mauro Carvalho Chehab <mchehab(a)kernel.org> media: m88ds3103: don't call a non-initalized function Sebastian Panceac <sebastian(a)resin.io> x86/platform/intel-mid: Handle Intel Edison reboot correctly Juergen Gross <jgross(a)suse.com> x86/xen: Zero MSR_IA32_SPEC_CTRL before suspend Dan Williams <dan.j.williams(a)intel.com> dax: fix vma_is_fsdax() helper Viresh Kumar <viresh.kumar(a)linaro.org> cpufreq: s3c24xx: Fix broken s3c_cpufreq_init() John David Anglin <dave.anglin(a)bell.net> parisc: Fix ordering of cache and TLB flushes Lingutla Chandrasekhar <clingutla(a)codeaurora.org> timers: Forward timer base before migrating timers Takashi Iwai <tiwai(a)suse.de> ALSA: hda - Fix pincfg at resume on Lenovo T470 dock Hans de Goede <hdegoede(a)redhat.com> ALSA: hda: Add a power_save blacklist Erik Veijola <erik.veijola(a)gmail.com> ALSA: usb-audio: Add a quirck for B&W PX headphones Alexander Steffen <Alexander.Steffen(a)infineon.com> tpm-dev-common: Reject too short writes Alexander Steffen <Alexander.Steffen(a)infineon.com> tpm_tis_spi: Use DMA-safe memory for SPI transfers Arnd Bergmann <arnd(a)arndb.de> tpm: constify transmit data pointers Jeremy Boone <jeremy.boone(a)nccgroup.trust> tpm_tis: fix potential buffer overruns caused by bit glitches on the bus Jeremy Boone <jeremy.boone(a)nccgroup.trust> tpm_i2c_nuvoton: fix potential buffer overruns caused by bit glitches on the bus Jeremy Boone <jeremy.boone(a)nccgroup.trust> tpm_i2c_infineon: fix potential buffer overruns caused by bit glitches on the bus Jeremy Boone <jeremy.boone(a)nccgroup.trust> tpm: st33zp24: fix potential buffer overruns caused by bit glitches on the bus ------------- Diffstat: Makefile | 4 +- arch/arm/boot/dts/logicpd-som-lv.dtsi | 9 +- arch/arm/boot/dts/logicpd-torpedo-som.dtsi | 8 ++ arch/arm/kvm/hyp/Makefile | 5 + arch/arm/kvm/hyp/banked-sr.c | 4 + arch/arm/mach-mvebu/Kconfig | 4 +- arch/arm64/net/bpf_jit_comp.c | 5 +- arch/parisc/include/asm/cacheflush.h | 1 + arch/parisc/kernel/cache.c | 57 +++++----- arch/parisc/kernel/pacache.S | 22 ++++ arch/powerpc/net/bpf_jit_comp64.c | 1 + arch/x86/include/asm/mmu.h | 15 ++- arch/x86/include/asm/mmu_context.h | 5 + arch/x86/include/asm/nospec-branch.h | 37 +++++++ arch/x86/include/asm/tlbflush.h | 2 + arch/x86/kernel/apic/vector.c | 14 +-- arch/x86/kvm/svm.c | 9 +- arch/x86/kvm/vmx.c | 9 +- arch/x86/mm/tlb.c | 33 ++++++ arch/x86/net/bpf_jit_comp.c | 9 +- arch/x86/platform/intel-mid/intel-mid.c | 2 +- arch/x86/xen/suspend.c | 16 +++ drivers/char/tpm/st33zp24/st33zp24.c | 4 +- drivers/char/tpm/tpm-dev.c | 6 ++ drivers/char/tpm/tpm_i2c_infineon.c | 5 +- drivers/char/tpm/tpm_i2c_nuvoton.c | 8 +- drivers/char/tpm/tpm_tis.c | 2 +- drivers/char/tpm/tpm_tis_core.c | 9 +- drivers/char/tpm/tpm_tis_core.h | 4 +- drivers/char/tpm/tpm_tis_spi.c | 48 +++++---- drivers/cpufreq/s3c24xx-cpufreq.c | 8 +- drivers/md/dm-io.c | 1 + drivers/md/md.c | 4 + drivers/media/dvb-frontends/m88ds3103.c | 7 +- .../ethernet/mellanox/mlxsw/spectrum_switchdev.c | 29 ++++- drivers/net/phy/phy.c | 2 +- drivers/net/ppp/ppp_generic.c | 9 ++ drivers/net/wan/hdlc_ppp.c | 5 +- drivers/pci/pcie/aspm.c | 8 +- drivers/s390/net/qeth_core.h | 7 +- drivers/s390/net/qeth_core_main.c | 43 ++++---- drivers/s390/net/qeth_l3.h | 34 +++++- drivers/s390/net/qeth_l3_main.c | 119 +++++++++------------ fs/btrfs/acl.c | 6 +- include/linux/fs.h | 2 +- include/linux/nospec.h | 3 +- include/net/udplite.h | 1 + kernel/bpf/arraymap.c | 35 +++--- kernel/bpf/stackmap.c | 1 + kernel/time/timer.c | 6 ++ net/bridge/br_sysfs_if.c | 3 + net/core/dev.c | 11 +- net/ipv4/fib_semantics.c | 5 + net/ipv4/route.c | 8 +- net/ipv4/tcp_output.c | 33 +++++- net/ipv4/udp.c | 5 + net/ipv6/ip6_checksum.c | 5 + net/ipv6/sit.c | 2 +- net/mpls/af_mpls.c | 36 ++++--- net/netlink/af_netlink.c | 4 +- net/netlink/genetlink.c | 12 ++- net/rxrpc/output.c | 2 +- net/sctp/ipv6.c | 10 +- net/sctp/protocol.c | 10 +- net/sctp/sm_make_chunk.c | 7 +- sound/pci/hda/hda_intel.c | 38 ++++++- sound/pci/hda/patch_realtek.c | 3 +- sound/usb/quirks-table.h | 47 ++++++++ virt/kvm/kvm_main.c | 3 +- 69 files changed, 687 insertions(+), 244 deletions(-)

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[PATCH 5/6] can: peak/pcie_fd: remove useless code when interface starts

by Marc Kleine-Budde

From: Stephane Grosjean <s.grosjean(a)peak-system.com> When an interface starts, the echo_skb array is empty and the network queue should be started only. This patch replaces useless code and locks when the internal RX_BARRIER message is received from the IP core, telling the driver that tx may start. Signed-off-by: Stephane Grosjean <s.grosjean(a)peak-system.com> Cc: linux-stable <stable(a)vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl(a)pengutronix.de> --- drivers/net/can/peak_canfd/peak_canfd.c | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) diff --git a/drivers/net/can/peak_canfd/peak_canfd.c b/drivers/net/can/peak_canfd/peak_canfd.c index 6fa66231ed8e..ed8561d4a90f 100644 --- a/drivers/net/can/peak_canfd/peak_canfd.c +++ b/drivers/net/can/peak_canfd/peak_canfd.c @@ -333,7 +333,6 @@ static int pucan_handle_status(struct peak_canfd_priv *priv, /* this STATUS is the CNF of the RX_BARRIER: Tx path can be setup */ if (pucan_status_is_rx_barrier(msg)) { - unsigned long flags; if (priv->enable_tx_path) { int err = priv->enable_tx_path(priv); @@ -342,16 +341,8 @@ static int pucan_handle_status(struct peak_canfd_priv *priv, return err; } - /* restart network queue only if echo skb array is free */ - spin_lock_irqsave(&priv->echo_lock, flags); - - if (!priv->can.echo_skb[priv->echo_idx]) { - spin_unlock_irqrestore(&priv->echo_lock, flags); - - netif_wake_queue(ndev); - } else { - spin_unlock_irqrestore(&priv->echo_lock, flags); - } + /* start network queue (echo_skb array is empty) */ + netif_start_queue(ndev); return 0; } -- 2.16.1

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