linux-kernel - Re: 答复: [PATCH V3] kdb: Fix the deadlock issue in KDB debugging.

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Date: Thu, 21 Mar 2024 11:04:07 +0000
From: Daniel Thompson <daniel.thompson@...aro.org>
To: Liuye <liu.yeC@....com>
Cc: Greg KH <gregkh@...uxfoundation.org>,
	"dianders@...omium.org" <dianders@...omium.org>,
	"jason.wessel@...driver.com" <jason.wessel@...driver.com>,
	"jirislaby@...nel.org" <jirislaby@...nel.org>,
	"kgdb-bugreport@...ts.sourceforge.net" <kgdb-bugreport@...ts.sourceforge.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>
Subject: Re: 答复: [PATCH V3] kdb: Fix the
 deadlock issue in KDB debugging.

On Thu, Mar 21, 2024 at 07:57:28AM +0000, Liuye wrote:
>
> > The stack trace below shows an example of the problem. In this case
> > the master cpu is not running from NMI but it has parked the slave
> > CPUs using an NMI and the parked CPUs is holding spinlocks needed by
> > schedule_work().
>
> Add description information
>
> > Signed-off-by: LiuYe <liu.yeC@....com>
> > Co-authored-by: Daniel Thompson <daniel.thompson@...aro.org>
> > Signed-off-by: Daniel Thompson <daniel.thompson@...aro.org>
>
> Add
> Co-authored-by: Daniel Thompson <daniel.thompson@...aro.org>
> Signed-off-by: Daniel Thompson <daniel.thompson@...aro.org>

I assume this reply is summarizing what changed between the previous
version and v3?

The best way to add the changelog requested by Greg's bot is to send
a corrected v4 version. If you follow the example in
https://docs.kernel.org/process/submitting-patches.html#the-canonical-patch-format
then you'll see that what is expected.

You can use git-notes to handle this. If you add a note containing
something like the following:
~~~
Changes in v4:
* Provide these changelogs.

Changes in v3:
* <please describe changes>

Changes in v2:
* <please describe changes>
~~~

Once you have the note than git-format-patch --notes will automatically
included the changelog with the patch.

Daniel.

PS I know that v2 was circulated with an incorrect subject line but I
   think it is probably OK to call it v2 anyway... it makes the
   changelog clearer!