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Peter Anvin" , Ard Biesheuvel Subject: [PATCH -tip] x86/asm: Use %a instead of %c(%%rip) in rip_rel_ptr() Date: Sun, 4 May 2025 20:43:23 +0200 Message-ID: <20250504184342.125253-1-ubizjak@gmail.com> X-Mailer: git-send-email 2.49.0 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" The "a" asm operand modifier substitutes a memory reference, with the actual operand treated as address. For x86_64, when a symbol is provided, the "a" modifier emits "sym(%rip)" instead of "sym". 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" Cc: Ard Biesheuvel Acked-by: H. Peter Anvin (Intel) --- arch/x86/include/asm/asm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h index f963848024a5..d7610b99b8d8 100644 --- a/arch/x86/include/asm/asm.h +++ b/arch/x86/include/asm/asm.h @@ -116,7 +116,7 @@ #ifndef __ASSEMBLER__ static __always_inline __pure void *rip_rel_ptr(void *p) { - asm("leaq %c1(%%rip), %0" : "=3Dr"(p) : "i"(p)); + asm("leaq %a1, %0" : "=3Dr"(p) : "i"(p)); =20 return p; } --=20 2.49.0