From: Johan Hovold <johan@kernel.org>
To: Davidlohr Bueso <dave@stgolabs.net>
Cc: Johan Hovold <johan@kernel.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] USB: serial: relax unthrottle memory barrier
Date: Mon, 10 Feb 2020 10:38:19 +0100 [thread overview]
Message-ID: <20200210093819.GB3539@localhost> (raw)
In-Reply-To: <20200130153328.jt5stb4svajrbkf6@linux-p48b>
On Thu, Jan 30, 2020 at 07:33:28AM -0800, Davidlohr Bueso wrote:
> On Thu, 30 Jan 2020, Johan Hovold wrote:
>
> >Commit a8d78d9f3856 ("USB: serial: clean up throttle handling")
> >converted the throttle handling to use atomic bitops. This means that we
> >can relax the smp_mb() in unthrottle() to smp_mb__after_atomic(), which
> >for example is a no-op on architectures like x86 that provide fully
> >ordered atomics.
> >
> >Signed-off-by: Johan Hovold <johan@kernel.org>
>
> Reviewed-by: Davidlohr Bueso <dbueso@suse.de>
Thanks for the review. Now applied.
Johan
prev parent reply other threads:[~2020-02-10 9:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-30 10:06 [PATCH] USB: serial: relax unthrottle memory barrier Johan Hovold
2020-01-30 10:23 ` Greg KH
2020-01-30 15:33 ` Davidlohr Bueso
2020-02-10 9:38 ` Johan Hovold [this message]
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