diff options
Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0958-drm-amdgpu-KFD-Fix-rw_semaphore-usage.patch')
| -rw-r--r-- | meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0958-drm-amdgpu-KFD-Fix-rw_semaphore-usage.patch | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0958-drm-amdgpu-KFD-Fix-rw_semaphore-usage.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0958-drm-amdgpu-KFD-Fix-rw_semaphore-usage.patch deleted file mode 100644 index 700685ca..00000000 --- a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0958-drm-amdgpu-KFD-Fix-rw_semaphore-usage.patch +++ /dev/null @@ -1,57 +0,0 @@ -From ddab49e2d63d5dadc60449724fd7fd6cc9af6002 Mon Sep 17 00:00:00 2001 -From: "Le.Ma" <Le.Ma@amd.com> -Date: Fri, 22 Sep 2017 10:56:57 +0800 -Subject: [PATCH 0958/4131] drm/amdgpu: [KFD] Fix rw_semaphore usage - -Avoid accessing current pointer in amdgpu_ttm_tt_get_user_pages(), -which will cause NULL pointer oops. And remove uneeded rw_semaphore. - -This fix accords with kfd branch. - -Change-Id: I0a602b30a20eb444968d6e846f3adca6cfff841a -Signed-off-by: Le.Ma <Le.Ma@amd.com> -Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> ---- - drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 8 ++++---- - 1 file changed, 4 insertions(+), 4 deletions(-) - -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c -index dd9e59a..fc82765 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c -@@ -680,7 +680,7 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) - if (!(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY)) - flags |= FOLL_WRITE; - -- down_read(¤t->mm->mmap_sem); -+ down_read(&mm->mmap_sem); - - if (gtt->userflags & AMDGPU_GEM_USERPTR_ANONONLY) { - /* check that we only use anonymous memory -@@ -690,7 +690,7 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) - - vma = find_vma(mm, gtt->userptr); - if (!vma || vma->vm_file || vma->vm_end < end) { -- up_read(¤t->mm->mmap_sem); -+ up_read(&mm->mmap_sem); - return -EPERM; - } - } -@@ -719,12 +719,12 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) - - } while (pinned < ttm->num_pages); - -- up_read(¤t->mm->mmap_sem); -+ up_read(&mm->mmap_sem); - return 0; - - release_pages: - release_pages(pages, pinned, 0); -- up_read(¤t->mm->mmap_sem); -+ up_read(&mm->mmap_sem); - return r; - } - --- -2.7.4 - |