diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1593-drm-amdgpu-Lock-rmn-lock-in-HSA-MMU-notifiers.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1593-drm-amdgpu-Lock-rmn-lock-in-HSA-MMU-notifiers.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1593-drm-amdgpu-Lock-rmn-lock-in-HSA-MMU-notifiers.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1593-drm-amdgpu-Lock-rmn-lock-in-HSA-MMU-notifiers.patch deleted file mode 100644 index e3738800..00000000 --- a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1593-drm-amdgpu-Lock-rmn-lock-in-HSA-MMU-notifiers.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 01f282b57fe4e11444a3564ac83545b1310fdc44 Mon Sep 17 00:00:00 2001 -From: Felix Kuehling <Felix.Kuehling@amd.com> -Date: Wed, 15 Feb 2017 15:24:12 -0500 -Subject: [PATCH 1593/4131] drm/amdgpu: Lock rmn->lock in HSA MMU notifiers - -This is necessary to protect against concurrent access to the -rmn->objects interval tree. - -Bug: SWDEV-112668, SWDEV-112670 - -Change-Id: I69438bc2837f10a5c62c252f1aa7d77d1a1c3cb4 -Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> ---- - drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 8 ++++++++ - 1 file changed, 8 insertions(+) - -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c -index 990e6fe..d961477 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c -@@ -215,6 +215,8 @@ static void amdgpu_mn_invalidate_range_start_hsa(struct mmu_notifier *mn, - /* notification is exclusive, but interval is inclusive */ - end -= 1; - -+ mutex_lock(&rmn->lock); -+ - it = interval_tree_iter_first(&rmn->objects, start, end); - while (it) { - struct amdgpu_mn_node *node; -@@ -231,6 +233,8 @@ static void amdgpu_mn_invalidate_range_start_hsa(struct mmu_notifier *mn, - amdgpu_amdkfd_evict_mem(amdgpu_ttm_adev(bo->tbo.bdev), mem, mm); - } - } -+ -+ mutex_unlock(&rmn->lock); - } - - /** -@@ -258,6 +262,8 @@ static void amdgpu_mn_invalidate_range_end_hsa(struct mmu_notifier *mn, - /* notification is exclusive, but interval is inclusive */ - end -= 1; - -+ mutex_lock(&rmn->lock); -+ - it = interval_tree_iter_first(&rmn->objects, start, end); - while (it) { - struct amdgpu_mn_node *node; -@@ -275,6 +281,8 @@ static void amdgpu_mn_invalidate_range_end_hsa(struct mmu_notifier *mn, - mem, mm, 1); - } - } -+ -+ mutex_unlock(&rmn->lock); - } - - static const struct mmu_notifier_ops amdgpu_mn_ops[] = { --- -2.7.4 - |