[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20120614214834.GB14301@moon>
Date: Fri, 15 Jun 2012 01:48:34 +0400
From: Cyrill Gorcunov <gorcunov@...nvz.org>
To: Kees Cook <keescook@...omium.org>
Cc: Per Forlin <per.forlin@...ricsson.com>,
linux-kernel@...r.kernel.org, serge.hallyn@...onical.com,
Linus Walleij <linus.walleij@...aro.org>,
Per Forlin <per.lkml@...il.com>,
Andrew Morton <akpm@...ux-foundation.org>,
"H. Peter Anvin" <hpa@...or.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH] reboot: disable nonboot CPUs
On Thu, Jun 14, 2012 at 02:41:48PM -0700, Kees Cook wrote:
> On Thu, Jun 14, 2012 at 2:25 PM, Per Forlin <per.forlin@...ricsson.com> wrote:
> > Disable the nonboot CPUs to safely migrate tasks and interrupts
> > to the boot CPU. This will prevent the nonboot CPUs to
> > interfer or block the boot CPU from being able to reboot
> > the system successfully.
>
> Reviewed-by: Kees Cook <keescook@...omium.org>
>
> This seems reasonable to me, though I haven't looked too deeply at the
> reboot path.
Looks reasonable to me as well, but better to add some more CC,
since syscore_shutdown seems to call for generic irqs to shutdown
when cpu get turned off already, not sure if this have any side
effect and/or I've missed something (Thomas CC'ed).
Cyrill
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists