From: Greg KH <gregkh@linuxfoundation.org>
To: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Cc: agross@kernel.org, david.brown@linaro.org, jslaby@suse.com,
linux-arm-msm@vger.kernel.org, linux-serial@vger.kernel.org,
linux-kernel@vger.kernel.org, khasim.mohammed@linaro.org,
bjorn.andersson@linaro.org
Subject: Re: [PATCH v2] tty: serial: msm_serial: avoid system lockup condition
Date: Mon, 10 Jun 2019 19:05:35 +0200 [thread overview]
Message-ID: <20190610170535.GA1337@kroah.com> (raw)
In-Reply-To: <20190610075554.24979-1-jorge.ramirez-ortiz@linaro.org>
On Mon, Jun 10, 2019 at 09:55:54AM +0200, Jorge Ramirez-Ortiz wrote:
> The function msm_wait_for_xmitr can be taken with interrupts
> disabled. In order to avoid a potential system lockup - demonstrated
> under stress testing conditions on SoC QCS404/5 - make sure we wait
> for a bounded amount of time.
>
> Tested on SoC QCS404.
>
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
> ---
> drivers/tty/serial/msm_serial.c | 4 ++++
> 1 file changed, 4 insertions(+)
What changed from v1? Always put that below the --- line.
v3 please.
thanks,
greg k-h
prev parent reply other threads:[~2019-06-10 17:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-10 7:55 [PATCH v2] tty: serial: msm_serial: avoid system lockup condition Jorge Ramirez-Ortiz
2019-06-10 17:05 ` Greg KH [this message]
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