From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] RFC: ARM: Ensure backtraces console printing in sleep mode
Date: Tue, 5 Jun 2012 10:35:56 +0100 [thread overview]
Message-ID: <20120605093556.GG8262@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1338881321-10728-1-git-send-email-linus.walleij@stericsson.com>
On Tue, Jun 05, 2012 at 09:28:41AM +0200, Linus Walleij wrote:
> From: Aurelien Gerault <aurelien.gerault-nonst@stericsson.com>
>
> Ensuring that oops & panic messages/backtraces will be printed
> in console, even if in sleep mode (i.e. when the console is
> locked).
>
> So, unlock the console before printing.
I don't think this is a good idea - it totally changes the locking, and
probably causes the console lock to become unbalanced, which could be a
problem if the oops was non-fatal to the kernel.
x86 also doesn't play this game either, and we really shouldn't have
different semantics here.
prev parent reply other threads:[~2012-06-05 9:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-05 7:28 [PATCH] RFC: ARM: Ensure backtraces console printing in sleep mode Linus Walleij
2012-06-05 9:35 ` Russell King - ARM Linux [this message]
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