linux-kernel - Re: [PATCH v3 0/2] locking/atomic/x86: Introduce arch_try

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Message-ID: <YoIHXlmsso70rxne@hirez.programming.kicks-ass.net>
Date:   Mon, 16 May 2022 10:12:14 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Uros Bizjak <ubizjak@...il.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>, Will Deacon <will@...nel.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Marco Elver <elver@...gle.com>
Subject: Re: [PATCH v3 0/2] locking/atomic/x86: Introduce arch_try_cmpxchg64

On Sun, May 15, 2022 at 08:42:02PM +0200, Uros Bizjak wrote:
> Uros Bizjak (2):
>   locking/atomic: Add generic try_cmpxchg64 support
>   locking/atomic/x86: Introduce arch_try_cmpxchg64
> 
>  arch/x86/include/asm/cmpxchg_32.h           | 21 ++++++
>  arch/x86/include/asm/cmpxchg_64.h           |  6 ++
>  include/linux/atomic/atomic-arch-fallback.h | 72 ++++++++++++++++++++-
>  include/linux/atomic/atomic-instrumented.h  | 40 +++++++++++-
>  scripts/atomic/gen-atomic-fallback.sh       | 31 +++++----
>  scripts/atomic/gen-atomic-instrumented.sh   |  2 +-
>  6 files changed, 156 insertions(+), 16 deletions(-)

Thanks!