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Code Issues Releases Wiki Activity

x86/sgx: use VM_ACCESS_FLAGS

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Simplify VM_READ|VM_WRITE|VM_EXEC with VM_ACCESS_FLAGS.

Link: https://lkml.kernel.org/r/20221019034945.93081-3-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Jarkko Sakkinen <jarkko@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@gmail.com>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang 2022-10-19 11:49:42 +08:00 committed by Andrew Morton
parent 93d38b72e4
commit 4f20566f5c
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kernel/cpu/sgx/encl.c
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@ -268,7 +268,7 @@ static struct sgx_encl_page *sgx_encl_load_page_in_vma(struct sgx_encl *encl,
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_struct *vma)
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;