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[82.69.66.36]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4980878dbaesm367219305e9.12.2026.08.03.02.47.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Aug 2026 02:47:24 -0700 (PDT) From: David Laight To: Borislav Betkov , Ingo Molnar , Thomas Gleinxer , Dave Hansen , x86@kernel.org, Andrew Morton , linux-kernel@vger.kernel.org Cc: David Laight , Nicolas Pitre , "H. Peter Anvin" , Peter Zijlstra , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , rodrigo.alencar@analog.com, jic23@kernel.org Subject: [PATCH 2/2] x86/local: local_add/local_sub: Support large immediate values Date: Mon, 3 Aug 2026 10:47:02 +0100 Message-Id: <20260803094702.3852-3-david.laight.linux@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260803094702.3852-1-david.laight.linux@gmail.com> References: <20260803094702.3852-1-david.laight.linux@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Replace the "ir" constraint with "er" so that constants over 2^31 get loaded into a register. Signed-off-by: David Laight --- arch/x86/include/asm/local.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h index 4957018fef3e..68af7b74450a 100644 --- a/arch/x86/include/asm/local.h +++ b/arch/x86/include/asm/local.h @@ -32,14 +32,14 @@ static inline void local_add(long i, local_t *l) { asm volatile(_ASM_ADD "%1,%0" : "+m" (l->a.counter) - : "ir" (i)); + : "er" (i)); } static inline void local_sub(long i, local_t *l) { asm volatile(_ASM_SUB "%1,%0" : "+m" (l->a.counter) - : "ir" (i)); + : "er" (i)); } /** -- 2.39.5