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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190610170535.GA1337@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=agross@kernel.org \
--cc=bjorn.andersson@linaro.org \
--cc=david.brown@linaro.org \
--cc=jorge.ramirez-ortiz@linaro.org \
--cc=jslaby@suse.com \
--cc=khasim.mohammed@linaro.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-serial@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).