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From: Petr Mladek <pmladek@suse.com>
To: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Steven Rostedt <rostedt@goodmis.org>,
	Sebastian Reichel <sre@kernel.org>,
	Sergey Senozhatsky <senozhatsky@chromium.org>,
	John Ogness <john.ogness@linutronix.de>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Luis Chamberlain <mcgrof@kernel.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/4] panic: Add panic_in_progress helper
Date: Fri, 28 Jan 2022 09:24:29 +0100	[thread overview]
Message-ID: <YfOoPbLGfrhYipqG@alley> (raw)
In-Reply-To: <2fa9246d-eddf-dd4e-17c6-8d6565237afa@oracle.com>

On Thu 2022-01-27 08:02:19, Stephen Brennan wrote:
> On 1/27/22 06:34, Petr Mladek wrote:
> > On Wed 2022-01-26 15:02:33, Stephen Brennan wrote:
> > > This helper will be used in printk code to avoid deadlocks during
> > > panic().
> > > 
> > > Suggested-by: Petr Mladek <pmladek@suse.com>
> > > Signed-off-by: Stephen Brennan <stephen.s.brennan@oracle.com>
> > 
> > Reviewed-by: Petr Mladek <pmladek@suse.com>
> > 
> > Best Regards,
> > Petr
> 
> Hi Petr,
> 
> Thanks for the review, however over the night I received two kernel test
> robot emails. One indicating a new build error caused by this change on m68k
> arch, and the other adding a new warning on riscv. From what I can tell, the
> issues are circular dependencies in #includes. So it may be better to either
> return to the macro, or move this static inline down to
> kernel/printk/printk.c. I think moving it into kernel/printk/printk.c makes
> most sense given that the macro requires the correct #includes anyway.

Yes, I prefer moving the inline down to printk.c. It looks a bit
cleaner than the macro that would not work without another include.

Please, explain this in the commit message.

Best Regards,
Petr

  reply	other threads:[~2022-01-28  8:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-26 23:02 [PATCH v2 0/4] printk: reduce deadlocks during panic Stephen Brennan
2022-01-26 23:02 ` [PATCH v2 1/4] panic: Add panic_in_progress helper Stephen Brennan
2022-01-27 14:34   ` Petr Mladek
2022-01-27 16:02     ` Stephen Brennan
2022-01-28  8:24       ` Petr Mladek [this message]
2022-01-26 23:02 ` [PATCH v2 2/4] printk: disable optimistic spin during panic Stephen Brennan
2022-01-26 23:02 ` [PATCH v2 3/4] printk: Avoid livelock with heavy printk " Stephen Brennan
2022-01-27 14:50   ` Petr Mladek
2022-01-27 16:19     ` Stephen Brennan
2022-01-26 23:02 ` [PATCH v2 4/4] printk: Drop console_sem " Stephen Brennan
2022-01-27  9:22   ` John Ogness
2022-01-27 15:03     ` Petr Mladek
2022-01-28  5:55       ` Sergey Senozhatsky
2022-01-27 15:12   ` Petr Mladek

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