From: Jia-Ju Bai <baijiaju1990-9Onoh4P/yGk@public.gmane.org>
To: Jonathan Corbet <corbet-T1hC0tSOHrs@public.gmane.org>
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
b43-dev-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
kvalo-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
Larry Finger
<Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
Subject: Re: [PATCH] b43legacy: Fix a sleep-in-atomic bug in b43legacy_attr_interfmode_store
Date: Fri, 02 Jun 2017 09:18:14 +0800 [thread overview]
Message-ID: <5930BCD6.9010306@163.com> (raw)
In-Reply-To: <20170601101113.6dd30d6d-T1hC0tSOHrs@public.gmane.org>
On 06/02/2017 12:11 AM, Jonathan Corbet wrote:
> On Thu, 01 Jun 2017 09:05:07 +0800
> Jia-Ju Bai<baijiaju1990-9Onoh4P/yGk@public.gmane.org> wrote:
>
>> I admit my patches are not well tested, and they may not well fix the bugs.
>> I am looking forward to opinions and suggestions :)
> May I politely suggest that sending out untested locking changes is a
> dangerous thing to do? You really should not be changing the locking in a
> piece of kernel code without understanding very well what the lock is
> protecting and being able to say why your changes are safe. Without that,
> the risk of introducing subtle bugs is very high.
>
> It looks like you have written a useful tool that could help us to make
> the kernel more robust. If you are interested in my suggestion, I would
> recommend that you post the sleep-in-atomic scenarios that you are
> finding, but refrain from "fixing" them in any case where you cannot offer
> a strong explanation of why your fix is correct.
>
> Thanks for working to find bugs in the kernel!
>
> jon
Hi,
Thanks for your good and helpful advice. I am sorry for my improper patches.
I will only report bugs instead of sending improper patches when I have
no good solution of fixing the bugs.
Thanks,
Jia-Ju Bai
next prev parent reply other threads:[~2017-06-02 1:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-31 10:29 [PATCH] b43legacy: Fix a sleep-in-atomic bug in b43legacy_attr_interfmode_store Jia-Ju Bai
2017-05-31 15:17 ` Michael Büsch
2017-05-31 17:33 ` Larry Finger
[not found] ` <85905124-7167-aeb0-8aff-4ceec09e9542-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
2017-06-01 1:05 ` Jia-Ju Bai
[not found] ` <592F6843.9000204-9Onoh4P/yGk@public.gmane.org>
2017-06-01 4:15 ` Kalle Valo
2017-06-01 16:11 ` Jonathan Corbet
2017-06-01 17:43 ` Larry Finger
[not found] ` <20170601101113.6dd30d6d-T1hC0tSOHrs@public.gmane.org>
2017-06-02 1:18 ` Jia-Ju Bai [this message]
[not found] ` <5930BCD6.9010306-9Onoh4P/yGk@public.gmane.org>
2017-07-30 10:24 ` Michael Büsch
2017-06-01 23:24 ` kbuild test robot
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