From: Uros Bizjak <ubizjak@gmail.com>
To: x86@kernel.org, linux-kernel@vger.kernel.org
Cc: Uros Bizjak <ubizjak@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: [PATCH 1/3] locking/atomic/x86: Correct the definition of __arch_try_cmpxchg128()
Date: Mon, 8 Apr 2024 11:13:56 +0200 [thread overview]
Message-ID: <20240408091547.90111-2-ubizjak@gmail.com> (raw)
In-Reply-To: <20240408091547.90111-1-ubizjak@gmail.com>
Correct the definition of __arch_try_cmpxchg128(), introduced by:
b23e139d0b66 ("arch: Introduce arch_{,try_}_cmpxchg128{,_local}()")
Fixes: b23e139d0b66 ("arch: Introduce arch_{,try_}_cmpxchg128{,_local}()")
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Peter Zijlstra <peterz@infradead.org>
---
arch/x86/include/asm/cmpxchg_64.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/cmpxchg_64.h b/arch/x86/include/asm/cmpxchg_64.h
index 44b08b53ab32..c1d6cd58f809 100644
--- a/arch/x86/include/asm/cmpxchg_64.h
+++ b/arch/x86/include/asm/cmpxchg_64.h
@@ -62,7 +62,7 @@ static __always_inline u128 arch_cmpxchg128_local(volatile u128 *ptr, u128 old,
asm volatile(_lock "cmpxchg16b %[ptr]" \
CC_SET(e) \
: CC_OUT(e) (ret), \
- [ptr] "+m" (*ptr), \
+ [ptr] "+m" (*(_ptr)), \
"+a" (o.low), "+d" (o.high) \
: "b" (n.low), "c" (n.high) \
: "memory"); \
--
2.44.0
next prev parent reply other threads:[~2024-04-08 9:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-08 9:13 [PATCH 0/3] locking/atomic/x86: Improve arch_cmpxchg64() and friends for x86_32 Uros Bizjak
2024-04-08 9:13 ` Uros Bizjak [this message]
2024-04-09 8:26 ` [tip: locking/core] locking/atomic/x86: Correct the definition of __arch_try_cmpxchg128() tip-bot2 for Uros Bizjak
2024-04-08 9:13 ` [PATCH 2/3] locking/atomic/x86: Modernize x86_32 arch_{,try_}_cmpxchg64{,_local}() Uros Bizjak
2024-04-09 8:26 ` [tip: locking/core] " tip-bot2 for Uros Bizjak
2024-04-08 9:13 ` [PATCH 3/3] locking/atomic/x86: Introduce arch_try_cmpxchg64() for !CONFIG_X86_CMPXCHG64 Uros Bizjak
2024-04-09 7:50 ` Ingo Molnar
2024-04-09 8:26 ` [tip: locking/core] " tip-bot2 for Uros Bizjak
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240408091547.90111-2-ubizjak@gmail.com \
--to=ubizjak@gmail.com \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=peterz@infradead.org \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox