The vm_flags_t type is the dedicated type for virtual memory flags. Architecture and driver code should use this type instead of assuming vm_flags is an unsigned long, as the underlying type may change in the future. This follows the cleanup in commit d75fa3c94750 ("mm: update architecture and driver code to use vm_flags_t") by converting the remaining vm_prot_bits usage in SGX code. Also, update the vm_max_prot_bits type in struct sgx_encl_page to vm_flags_t for consistency. No functional change intended. Signed-off-by: Wentong Tian --- v2: - Also convert the type of vm_max_prot_bits in struct sgx_encl_page to vm_flags_t, as suggested. arch/x86/kernel/cpu/sgx/encl.c | 2 +- arch/x86/kernel/cpu/sgx/encl.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c index cf149b9f4916..814edcde225d 100644 --- a/arch/x86/kernel/cpu/sgx/encl.c +++ b/arch/x86/kernel/cpu/sgx/encl.c @@ -281,7 +281,7 @@ static struct sgx_encl_page *sgx_encl_load_page_in_vma(struct sgx_encl *encl, unsigned long addr, vm_flags_t vm_flags) { - unsigned long vm_prot_bits = vm_flags & VM_ACCESS_FLAGS; + vm_flags_t vm_prot_bits = vm_flags & VM_ACCESS_FLAGS; struct sgx_encl_page *entry; entry = xa_load(&encl->page_array, PFN_DOWN(addr)); diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h index 8ff47f6652b9..0e0b97e91905 100644 --- a/arch/x86/kernel/cpu/sgx/encl.h +++ b/arch/x86/kernel/cpu/sgx/encl.h @@ -27,7 +27,7 @@ struct sgx_encl_page { unsigned long desc; - unsigned long vm_max_prot_bits:8; + vm_flags_t vm_max_prot_bits:8; enum sgx_page_type type:16; struct sgx_epc_page *epc_page; struct sgx_encl *encl; -- 2.34.1