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Peter Anvin" Subject: [PATCH RESEND] x86/asm: Use inout "+" asm onstraint modifiers in __iowrite32_copy() Date: Mon, 10 Nov 2025 23:31:39 +0100 Message-ID: <20251110223247.54486-1-ubizjak@gmail.com> X-Mailer: git-send-email 2.51.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use inout "+" asm constraint modifiers to simplify asm operands. No functional changes intended. Signed-off-by: Uros Bizjak Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: Dave Hansen Cc: "H. Peter Anvin" Reviewed-by: H. Peter Anvin (Intel) --- arch/x86/include/asm/io.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index ca309a3227c7..2ea25745e059 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -218,9 +218,8 @@ static inline void __iowrite32_copy(void __iomem *to, c= onst void *from, size_t count) { asm volatile("rep movsl" - : "=3D&c"(count), "=3D&D"(to), "=3D&S"(from) - : "0"(count), "1"(to), "2"(from) - : "memory"); + : "+D"(to), "+S"(from), "+c"(count) + : : "memory"); } #define __iowrite32_copy __iowrite32_copy #endif --=20 2.51.1