The patch titled
Subject: x86/sgx: use VM_ACCESS_FLAGS
has been added to the -mm mm-unstable branch. Its filename is
x86-sgx-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/x86-sgx-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
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------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: x86/sgx: use VM_ACCESS_FLAGS
Date: Wed, 19 Oct 2022 11:49:42 +0800
Simplify VM_READ|VM_WRITE|VM_EXEC with VM_ACCESS_FLAGS.
Link: https://lkml.kernel.org/r/20221019034945.93081-3-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: "Christian König" <christian.koenig@xxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxxx>
Cc: Dinh Nguyen <dinguyen@xxxxxxxxxx>
Cc: "Pan, Xinhui" <Xinhui.Pan@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/kernel/cpu/sgx/encl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/x86/kernel/cpu/sgx/encl.c~x86-sgx-use-vm_access_flags
+++ a/arch/x86/kernel/cpu/sgx/encl.c
@@ -268,7 +268,7 @@ static struct sgx_encl_page *sgx_encl_lo
unsigned long addr,
unsigned long vm_flags)
{
- unsigned long vm_prot_bits = vm_flags & (VM_READ | VM_WRITE | VM_EXEC);
+ unsigned long vm_prot_bits = vm_flags & VM_ACCESS_FLAGS;
struct sgx_encl_page *entry;
entry = xa_load(&encl->page_array, PFN_DOWN(addr));
@@ -502,7 +502,7 @@ static void sgx_vma_open(struct vm_area_
int sgx_encl_may_map(struct sgx_encl *encl, unsigned long start,
unsigned long end, unsigned long vm_flags)
{
- unsigned long vm_prot_bits = vm_flags & (VM_READ | VM_WRITE | VM_EXEC);
+ unsigned long vm_prot_bits = vm_flags & VM_ACCESS_FLAGS;
struct sgx_encl_page *page;
unsigned long count = 0;
int ret = 0;
_
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
