linux-kernel - Re: [PATCH 02/11] sched/wait,drm: Replace wait_on_atomic

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Date:   Thu, 15 Mar 2018 12:50:20 +0000
From:   Chris Wilson <chris@...is-wilson.co.uk>
To:     Peter Zijlstra <peterz@...radead.org>,
        "Ingo Molnar" <mingo@...nel.org>, linux-kernel@...r.kernel.org
Cc:     "Dan Williams" <dan.j.williams@...el.com>,
        "David Howells" <dhowells@...hat.com>,
        "Daniel Vetter" <daniel.vetter@...el.com>,
        "David Airlie" <airlied@...ux.ie>,
        "Stanimir Varbanov" <stanimir.varbanov@...aro.org>,
        "Chris Mason" <clm@...com>,
        "Anna Schumaker" <anna.schumaker@...app.com>,
        "Joel Becker" <jlbec@...lplan.org>,
        "James Hogan" <jhogan@...nel.org>,
        "Ralf Baechle" <ralf@...ux-mips.org>,
        "Linus Torvalds" <torvalds@...ux-foundation.org>,
        "George Spelvin" <linux@...encehorizons.net>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>
Subject: Re: [PATCH 02/11] sched/wait,drm: Replace wait_on_atomic_t usage

Quoting Peter Zijlstra (2018-03-15 12:19:04)
> Convert the wait_on_atomic_t() usage to the new wait_var_event() API.
> 
> Unlike the wake_up_atomic_t(), wake_up_var() will issue the wakeup
> even if the variable is not 0.
> 
> Cc: Daniel Vetter <daniel.vetter@...el.com>
> Cc: David Airlie <airlied@...ux.ie>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Chris Wilson <chris@...is-wilson.co.uk>
-Chris