linux-kernel - Re: [PATCH-tip v2 01/10] locking/rwsem: Relocate rwsem_down_read

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Message-ID: <20190221141409.GB12696@fuggles.cambridge.arm.com>
Date:   Thu, 21 Feb 2019 14:14:09 +0000
From:   Will Deacon <will.deacon@....com>
To:     Waiman Long <longman@...hat.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org, x86@...nel.org,
        Arnd Bergmann <arnd@...db.de>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Davidlohr Bueso <dave@...olabs.net>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Tim Chen <tim.c.chen@...ux.intel.com>
Subject: Re: [PATCH-tip v2 01/10] locking/rwsem: Relocate
 rwsem_down_read_failed()

On Fri, Feb 15, 2019 at 03:50:01PM -0500, Waiman Long wrote:
> The rwsem_down_read_failed*() functions were relocted from above the
> optimistic spinning section to below that section. This enables the
> reader functions to use optimisitic spinning in future patches. There
> is no code change.
> 
> Signed-off-by: Waiman Long <longman@...hat.com>
> ---
>  kernel/locking/rwsem-xadd.c | 172 ++++++++++++++++++++++----------------------
>  1 file changed, 86 insertions(+), 86 deletions(-)

Just a straightforward code move:

Acked-by: Will Deacon <will.deacon@....com>

Will