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Patch "ext4: fix a race in the ext4 shutdown path" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ext4: fix a race in the ext4 shutdown path to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: ext4-fix-a-race-in-the-ext4-shutdown-path.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From abbc3f9395c76d554a9ed27d4b1ebfb5d9b0e4ca Mon Sep 17 00:00:00 2001 From: Harshad Shirwadkar <harshads(a)google.com> Date: Wed, 10 Jan 2018 00:13:13 -0500 Subject: ext4: fix a race in the ext4 shutdown path From: Harshad Shirwadkar <harshads(a)google.com> commit abbc3f9395c76d554a9ed27d4b1ebfb5d9b0e4ca upstream. This patch fixes a race between the shutdown path and bio completion handling. In the ext4 direct io path with async io, after submitting a bio to the block layer, if journal starting fails, ext4_direct_IO_write() would bail out pretending that the IO failed. The caller would have had no way of knowing whether or not the IO was successfully submitted. So instead, we return -EIOCBQUEUED in this case. Now, the caller knows that the IO was submitted. The bio completion handler takes care of the error. Tested: Ran the shutdown xfstest test 461 in loop for over 2 hours across 4 machines resulting in over 400 runs. Verified that the race didn't occur. Usually the race was seen in about 20-30 iterations. Signed-off-by: Harshad Shirwadkar <harshads(a)google.com> Signed-off-by: Theodore Ts'o <tytso(a)mit.edu> Cc: stable(a)vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- fs/ext4/inode.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3724,10 +3724,18 @@ static ssize_t ext4_direct_IO_write(stru /* Credits for sb + inode write */ handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); if (IS_ERR(handle)) { - /* This is really bad luck. We've written the data - * but cannot extend i_size. Bail out and pretend - * the write failed... */ - ret = PTR_ERR(handle); + /* + * We wrote the data but cannot extend + * i_size. Bail out. In async io case, we do + * not return error here because we have + * already submmitted the corresponding + * bio. Returning error here makes the caller + * think that this IO is done and failed + * resulting in race with bio's completion + * handler. + */ + if (!ret) + ret = PTR_ERR(handle); if (inode->i_nlink) ext4_orphan_del(NULL, inode); Patches currently in stable-queue which might be from harshads(a)google.com are queue-4.14/ext4-fix-a-race-in-the-ext4-shutdown-path.patch

7 years, 9 months

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Patch "ext4: correct documentation for grpid mount option" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ext4: correct documentation for grpid mount option to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: ext4-correct-documentation-for-grpid-mount-option.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 9f0372488cc9243018a812e8cfbf27de650b187b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ernesto=20A=2E=20Fern=C3=A1ndez?= <ernesto.mnd.fernandez(a)gmail.com> Date: Thu, 11 Jan 2018 13:43:33 -0500 Subject: ext4: correct documentation for grpid mount option MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Ernesto A. Fernández <ernesto.mnd.fernandez(a)gmail.com> commit 9f0372488cc9243018a812e8cfbf27de650b187b upstream. The grpid option is currently described as being the same as nogrpid. Signed-off-by: Ernesto A. Fernández <ernesto.mnd.fernandez(a)gmail.com> Signed-off-by: Theodore Ts'o <tytso(a)mit.edu> Cc: stable(a)vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- Documentation/filesystems/ext4.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -233,7 +233,7 @@ data_err=ignore(*) Just print an error m data_err=abort Abort the journal if an error occurs in a file data buffer in ordered mode. -grpid Give objects the same group ID as their creator. +grpid New objects have the group ID of their parent. bsdgroups nogrpid (*) New objects have the group ID of their creator. Patches currently in stable-queue which might be from ernesto.mnd.fernandez(a)gmail.com are queue-4.14/ext4-correct-documentation-for-grpid-mount-option.patch

7 years, 9 months

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Patch "drm/ttm: Fix 'buf' pointer update in ttm_bo_vm_access_kmap() (v2)" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled drm/ttm: Fix 'buf' pointer update in ttm_bo_vm_access_kmap() (v2) to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: drm-ttm-fix-buf-pointer-update-in-ttm_bo_vm_access_kmap-v2.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 95244db2d3f743f37e69446a2807dd1a42750542 Mon Sep 17 00:00:00 2001 From: Tom St Denis <tom.stdenis(a)amd.com> Date: Fri, 26 Jan 2018 09:32:29 -0500 Subject: drm/ttm: Fix 'buf' pointer update in ttm_bo_vm_access_kmap() (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Tom St Denis <tom.stdenis(a)amd.com> commit 95244db2d3f743f37e69446a2807dd1a42750542 upstream. The buf pointer was not being incremented inside the loop meaning the same block of data would be read or written repeatedly. (v2) Change 'buf' pointer to uint8_t* type Cc: stable(a)vger.kernel.org Fixes: 09ac4fcb3f25 ("drm/ttm: Implement vm_operations_struct.access v2") Signed-off-by: Tom St Denis <tom.stdenis(a)amd.com> Reviewed-by: Christian König <christian.koenig(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/gpu/drm/ttm/ttm_bo_vm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -299,7 +299,7 @@ static void ttm_bo_vm_close(struct vm_ar static int ttm_bo_vm_access_kmap(struct ttm_buffer_object *bo, unsigned long offset, - void *buf, int len, int write) + uint8_t *buf, int len, int write) { unsigned long page = offset >> PAGE_SHIFT; unsigned long bytes_left = len; @@ -328,6 +328,7 @@ static int ttm_bo_vm_access_kmap(struct ttm_bo_kunmap(&map); page++; + buf += bytes; bytes_left -= bytes; offset = 0; } while (bytes_left); Patches currently in stable-queue which might be from tom.stdenis(a)amd.com are queue-4.14/drm-ttm-fix-buf-pointer-update-in-ttm_bo_vm_access_kmap-v2.patch

7 years, 9 months

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Patch "drm/ttm: Don't add swapped BOs to swap-LRU list" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled drm/ttm: Don't add swapped BOs to swap-LRU list to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: drm-ttm-don-t-add-swapped-bos-to-swap-lru-list.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From fd5002d6a3c602664b07668a24df4ef7a43bf078 Mon Sep 17 00:00:00 2001 From: Felix Kuehling <Felix.Kuehling(a)amd.com> Date: Wed, 17 Jan 2018 23:52:03 -0500 Subject: drm/ttm: Don't add swapped BOs to swap-LRU list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Felix Kuehling <Felix.Kuehling(a)amd.com> commit fd5002d6a3c602664b07668a24df4ef7a43bf078 upstream. A BO that's already swapped would be added back to the swap-LRU list for example if its validation failed under high memory pressure. This could later lead to swapping it out again and leaking previous swap storage. This commit adds a condition to prevent that from happening. v2: Check page_flags instead of swap_storage Signed-off-by: Felix Kuehling <Felix.Kuehling(a)amd.com> Reviewed-by: Christian König <christian.koenig(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/gpu/drm/ttm/ttm_bo.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -175,7 +175,8 @@ void ttm_bo_add_to_lru(struct ttm_buffer list_add_tail(&bo->lru, &man->lru[bo->priority]); kref_get(&bo->list_kref); - if (bo->ttm && !(bo->ttm->page_flags & TTM_PAGE_FLAG_SG)) { + if (bo->ttm && !(bo->ttm->page_flags & + (TTM_PAGE_FLAG_SG | TTM_PAGE_FLAG_SWAPPED))) { list_add_tail(&bo->swap, &bo->glob->swap_lru[bo->priority]); kref_get(&bo->list_kref); Patches currently in stable-queue which might be from Felix.Kuehling(a)amd.com are queue-4.14/drm-ttm-don-t-add-swapped-bos-to-swap-lru-list.patch

7 years, 9 months

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Patch "drm/radeon: adjust tested variable" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled drm/radeon: adjust tested variable to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: drm-radeon-adjust-tested-variable.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 3a61b527b4e1f285d21b6e9e623dc45cf8bb391f Mon Sep 17 00:00:00 2001 From: Julia Lawall <Julia.Lawall(a)lip6.fr> Date: Sat, 27 Jan 2018 15:28:15 +0100 Subject: drm/radeon: adjust tested variable MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Julia Lawall <Julia.Lawall(a)lip6.fr> commit 3a61b527b4e1f285d21b6e9e623dc45cf8bb391f upstream. Check the variable that was most recently initialized. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x, y, f, g, e, m; statement S1,S2,S3,S4; @@ x = f(...); if (\(<+...x...+>\&e\)) S1 else S2 ( x = g(...); | m = g(...,&x,...); | y = g(...); *if (e) S3 else S4 ) // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall(a)lip6.fr> Reviewed-by: Christian König <christian.koenig(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/gpu/drm/radeon/radeon_uvd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -995,7 +995,7 @@ int radeon_uvd_calc_upll_dividers(struct /* calc dclk divider with current vco freq */ dclk_div = radeon_uvd_calc_upll_post_div(vco_freq, dclk, pd_min, pd_even); - if (vclk_div > pd_max) + if (dclk_div > pd_max) break; /* vco is too big, it has to stop */ /* calc score with current vco freq */ Patches currently in stable-queue which might be from Julia.Lawall(a)lip6.fr are queue-4.14/drm-radeon-adjust-tested-variable.patch

7 years, 9 months

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Patch "drm/radeon: Add dpm quirk for Jet PRO (v2)" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled drm/radeon: Add dpm quirk for Jet PRO (v2) to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: drm-radeon-add-dpm-quirk-for-jet-pro-v2.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 239b5f64e12b1f09f506c164dff0374924782979 Mon Sep 17 00:00:00 2001 From: Alex Deucher <alexander.deucher(a)amd.com> Date: Tue, 21 Nov 2017 12:09:38 -0500 Subject: drm/radeon: Add dpm quirk for Jet PRO (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Alex Deucher <alexander.deucher(a)amd.com> commit 239b5f64e12b1f09f506c164dff0374924782979 upstream. Fixes stability issues. v2: clamp sclk to 600 Mhz Bug: https://bugs.freedesktop.org/show_bug.cgi?id=103370 Acked-by: Christian König <christian.koenig(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/gpu/drm/radeon/si_dpm.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2984,6 +2984,11 @@ static void si_apply_state_adjust_rules( (rdev->pdev->device == 0x6667)) { max_sclk = 75000; } + if ((rdev->pdev->revision == 0xC3) || + (rdev->pdev->device == 0x6665)) { + max_sclk = 60000; + max_mclk = 80000; + } } else if (rdev->family == CHIP_OLAND) { if ((rdev->pdev->revision == 0xC7) || (rdev->pdev->revision == 0x80) || Patches currently in stable-queue which might be from alexander.deucher(a)amd.com are queue-4.14/dma-buf-fix-reservation_object_wait_timeout_rcu-once-more-v2.patch queue-4.14/drm-amd-powerplay-fix-smu_table_entry.handle-type.patch queue-4.14/drm-ttm-fix-buf-pointer-update-in-ttm_bo_vm_access_kmap-v2.patch queue-4.14/drm-radeon-add-dpm-quirk-for-jet-pro-v2.patch queue-4.14/drm-ttm-don-t-add-swapped-bos-to-swap-lru-list.patch queue-4.14/drm-radeon-adjust-tested-variable.patch

7 years, 9 months

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Patch "drm/ast: Load lut in crtc_commit" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled drm/ast: Load lut in crtc_commit to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: drm-ast-load-lut-in-crtc_commit.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 24b8ef699e8221d2b7f813adaab13eec053e1507 Mon Sep 17 00:00:00 2001 From: Daniel Vetter <daniel.vetter(a)ffwll.ch> Date: Thu, 18 Jan 2018 16:40:16 +0100 Subject: drm/ast: Load lut in crtc_commit From: Daniel Vetter <daniel.vetter(a)ffwll.ch> commit 24b8ef699e8221d2b7f813adaab13eec053e1507 upstream. In the past the ast driver relied upon the fbdev emulation helpers to call ->load_lut at boot-up. But since commit b8e2b0199cc377617dc238f5106352c06dcd3fa2 Author: Peter Rosin <peda(a)axentia.se> Date: Tue Jul 4 12:36:57 2017 +0200 drm/fb-helper: factor out pseudo-palette that's cleaned up and drivers are expected to boot into a consistent lut state. This patch fixes that. Fixes: b8e2b0199cc3 ("drm/fb-helper: factor out pseudo-palette") Cc: Peter Rosin <peda(a)axenita.se> Cc: Daniel Vetter <daniel.vetter(a)ffwll.ch> Cc: <stable(a)vger.kernel.org> # v4.14+ Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=198123 Cc: Bill Fraser <bill.fraser(a)gmail.com> Reported-and-Tested-by: Bill Fraser <bill.fraser(a)gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter(a)intel.com> Signed-off-by: Dave Airlie <airlied(a)redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/gpu/drm/ast/ast_mode.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -644,6 +644,7 @@ static void ast_crtc_commit(struct drm_c { struct ast_private *ast = crtc->dev->dev_private; ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); + ast_crtc_load_lut(crtc); } Patches currently in stable-queue which might be from daniel.vetter(a)ffwll.ch are queue-4.14/drm-ast-load-lut-in-crtc_commit.patch

7 years, 9 months

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Patch "drm/qxl: unref cursor bo when finished with it" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled drm/qxl: unref cursor bo when finished with it to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: drm-qxl-unref-cursor-bo-when-finished-with-it.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 16c6db3688734b27487a42d0c2a1062d0b2bad03 Mon Sep 17 00:00:00 2001 From: Ray Strode <rstrode(a)redhat.com> Date: Mon, 27 Nov 2017 16:50:09 -0500 Subject: drm/qxl: unref cursor bo when finished with it From: Ray Strode <rstrode(a)redhat.com> commit 16c6db3688734b27487a42d0c2a1062d0b2bad03 upstream. qxl_cursor_atomic_update allocs a bo for the cursor that it never frees up at the end of the function. This commit fixes that. Signed-off-by: Ray Strode <rstrode(a)redhat.com> Cc: stable(a)vger.kernel.org Signed-off-by: Dave Airlie <airlied(a)redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/gpu/drm/qxl/qxl_display.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -564,7 +564,7 @@ static void qxl_cursor_atomic_update(str struct qxl_cursor_cmd *cmd; struct qxl_cursor *cursor; struct drm_gem_object *obj; - struct qxl_bo *cursor_bo, *user_bo = NULL; + struct qxl_bo *cursor_bo = NULL, *user_bo = NULL; int ret; void *user_ptr; int size = 64*64*4; @@ -634,6 +634,8 @@ static void qxl_cursor_atomic_update(str qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); qxl_release_fence_buffer_objects(release); + qxl_bo_unref(&cursor_bo); + return; out_backoff: Patches currently in stable-queue which might be from rstrode(a)redhat.com are queue-4.14/drm-qxl-unref-cursor-bo-when-finished-with-it.patch

7 years, 9 months

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Patch "drm/amd/powerplay: Fix smu_table_entry.handle type" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled drm/amd/powerplay: Fix smu_table_entry.handle type to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: drm-amd-powerplay-fix-smu_table_entry.handle-type.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From adab595d16abe48e9c097f000bf8921d35b28fb7 Mon Sep 17 00:00:00 2001 From: Andrey Grodzovsky <andrey.grodzovsky(a)amd.com> Date: Wed, 17 Jan 2018 17:24:13 -0500 Subject: drm/amd/powerplay: Fix smu_table_entry.handle type From: Andrey Grodzovsky <andrey.grodzovsky(a)amd.com> commit adab595d16abe48e9c097f000bf8921d35b28fb7 upstream. The handle describes kernel logical address, should be unsigned long and not uint32_t. Fixes KASAN error and GFP on driver unload. Reviewed-by: Rex Zhu <Rex.Zhu(a)amd.com> Reviewed-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.h +++ b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.h @@ -40,7 +40,7 @@ struct smu_table_entry { uint32_t table_addr_high; uint32_t table_addr_low; uint8_t *table; - uint32_t handle; + unsigned long handle; }; struct smu_table_array { Patches currently in stable-queue which might be from andrey.grodzovsky(a)amd.com are queue-4.14/drm-amd-powerplay-fix-smu_table_entry.handle-type.patch

7 years, 9 months

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Patch "console/dummy: leave .con_font_get set to NULL" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled console/dummy: leave .con_font_get set to NULL to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: console-dummy-leave-.con_font_get-set-to-null.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 724ba8b30b044aa0d94b1cd374fc15806cdd6f18 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre <nicolas.pitre(a)linaro.org> Date: Mon, 15 Jan 2018 17:04:22 +0100 Subject: console/dummy: leave .con_font_get set to NULL From: Nicolas Pitre <nicolas.pitre(a)linaro.org> commit 724ba8b30b044aa0d94b1cd374fc15806cdd6f18 upstream. When this method is set, the caller expects struct console_font fields to be properly initialized when it returns. Leave it unset otherwise nonsensical (leaked kernel stack) values are returned to user space. Signed-off-by: Nicolas Pitre <nico(a)linaro.org> Cc: stable(a)vger.kernel.org Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie(a)samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/video/console/dummycon.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/video/console/dummycon.c +++ b/drivers/video/console/dummycon.c @@ -67,7 +67,6 @@ const struct consw dummy_con = { .con_switch = DUMMY, .con_blank = DUMMY, .con_font_set = DUMMY, - .con_font_get = DUMMY, .con_font_default = DUMMY, .con_font_copy = DUMMY, }; Patches currently in stable-queue which might be from nicolas.pitre(a)linaro.org are queue-4.14/console-dummy-leave-.con_font_get-set-to-null.patch

7 years, 9 months

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2018

2017

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