The patch titled
Subject: amdgpu: use VM_ACCESS_FLAGS
has been added to the -mm mm-unstable branch. Its filename is
amdgpu-use-vm_access_flags.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/amdgpu-use-vm_access_flags.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: amdgpu: use VM_ACCESS_FLAGS
Date: Wed, 19 Oct 2022 11:49:45 +0800
Simplify VM_READ|VM_WRITE|VM_EXEC with VM_ACCESS_FLAGS.
Link: https://lkml.kernel.org/r/20221019034945.93081-6-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: "Christian König" <christian.koenig@xxxxxxx>
Cc: "Pan, Xinhui" <Xinhui.Pan@xxxxxxx>
Cc: David Airlie <airlied@xxxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Dinh Nguyen <dinguyen@xxxxxxxxxx>
Cc: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c~amdgpu-use-vm_access_flags
+++ a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -255,7 +255,7 @@ static int amdgpu_gem_object_mmap(struct
* becoming writable and makes is_cow_mapping(vm_flags) false.
*/
if (is_cow_mapping(vma->vm_flags) &&
- !(vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)))
+ !(vma->vm_flags & VM_ACCESS_FLAGS))
vma->vm_flags &= ~VM_MAYWRITE;
return drm_gem_ttm_mmap(obj, vma);
_
Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are
mm-rmap-rename-page_not_mapped-to-folio_not_mapped.patch
mm-remove-kern_addr_valid-completely.patch
nios2-remove-unused-init_mmap.patch
x86-sgx-use-vm_access_flags.patch
mm-mprotect-use-vm_access_flags.patch
mm-debug_vm_pgtable-use-vm_access_flags.patch
amdgpu-use-vm_access_flags.patch
