linux-kernel - Re: [PATCH v3 0/3] rseq: minor optimizations

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Date:   Wed, 14 Apr 2021 09:51:16 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:     Eric Dumazet <eric.dumazet@...il.com>,
        Ingo Molnar <mingo@...nel.org>, paulmck <paulmck@...nel.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Arjun Roy <arjunroy@...gle.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH v3 0/3] rseq: minor optimizations

On Tue, Apr 13, 2021 at 04:40:33PM -0400, Mathieu Desnoyers wrote:
> ----- On Apr 13, 2021, at 4:33 PM, Eric Dumazet eric.dumazet@...il.com wrote:
> 
> > From: Eric Dumazet <edumazet@...gle.com>
> > 
> > rseq is a heavy user of copy to/from user data in fast paths.
> > This series tries to reduce the cost.
> > 
> > v3: Third patch going back to v1 (only deal with 64bit arches)
> > v2: Addressed Peter and Mathieu feedbacks, thanks !
> 
> For the whole series:
> 
> Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>

Thanks!