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b=m6oL/QRkuZtbyX55NjTdA/RX5Y8/r2M89CoYdUfLcpFzRoA0K7F7eNjkfN+GGx7uv CM81trUqYgE9bH+7riIh4MBDGYKNwTZEYnFMMchLfwMWMc4ejzUdTimZLhM04amSRW 8YklSov1f57soG7M7qGS+w7RlLZ9xoCDPvT3eNDbGj3Q16Nov9tz9C4XR8MbOROy0k OelfTp7OoEQ2kpOl5k5LgFVEC8IEdxih7mu4RRxB5Q0gTPG+HnjaPrjT9TyMYbzIEw vy8il94ydSnTfHxu0DVX8rQpMDEARexPb26zQ9vGiPpwyc1KAGe6okjYiATBngqAgW CWVXecugvd3cg== Date: Sun, 25 Jan 2026 16:45:30 +0200 From: Jarkko Sakkinen To: Wentong Tian Cc: dave.hansen@linux.intel.com, tglx@kernel.org, mingo@redhat.com, bp@alien8.de, x86@kernel.org, linux-sgx@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86/sgx: use vm_flags_t for vm_prot_bits Message-ID: References: <20260122055435.95911-1-tianwentong2000@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260122055435.95911-1-tianwentong2000@gmail.com> X-Rspamd-Queue-Id: 492C4A0008 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: p6yefd6s6n7a713ukdf8ri1cyza7nnft X-HE-Tag: 1769352336-891405 X-HE-Meta: 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 AxykPnLf Ozh9iN3BVwGDNrUo+H/+DJzEvYtPFIA22smG2rzJMuYpdo0p2GW2vVPMyMVK9AOMXAQBbDIqTkFpU/gWe+aAQsTryKxi49fQNlC7fMG51xdwPqOwHYlIBFHa56WEE9gye+jKvZTufUK3C5SopoIid0taK/bvlpckAPNW1DoUq4OkSBBn783yJe+e43mZaGmbEjUNls/kfq3eN26KiH+DL8SY3HWsSSv3qsU3Yx1lx2S7c0gjK0ZofBa1jvuV7jY7/8y/3Yzmv2LG6dMepxlLMUj+6qnjt4Vt3rbJEWiblkampgFSkpE4NFnGpToCjkhPejX/I2Ct/hvp7tv4iFwd3LG48+gGRiAf7vq6J X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Jan 22, 2026 at 01:54:35PM +0800, Wentong Tian wrote: > 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. > > No functional change intended. > > Signed-off-by: Wentong Tian > --- > arch/x86/kernel/cpu/sgx/encl.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > 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)); > -- > 2.34.1 > Reviewed-by: Jarkko Sakkinen BR, Jarkko