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From: Kevin Hilman <khilman@deeprootsystems.com>
To: linux-omap@vger.kernel.org
Subject: Re: [PATCH] OMAP3: PM: remove save/restore of exception handler state
Date: Wed, 20 May 2009 09:12:25 -0700	[thread overview]
Message-ID: <87d4a3rbx2.fsf@deeprootsystems.com> (raw)
In-Reply-To: <1242753878-28325-1-git-send-email-khilman@deeprootsystems.com> (Kevin Hilman's message of "Tue\, 19 May 2009 10\:24\:38 -0700")

Kevin Hilman <khilman@deeprootsystems.com> writes:

> The exception handler state for the various modes of the processor
> (FIQ, IRQ, ABORT, UNDEF, SYSTEM) does not need a full context
> save/restore.  Only the stack pointers for the used modes need a
> save/restore and this is done already in the ARM-generic cpu_init()
> function.
>
> So, this patch drops the full save/restore and calls cpu_init()
> immiediately after returning from SRAM.
>
> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

Pushing to the PM branch.

Kevin

      reply	other threads:[~2009-05-20 16:12 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-19 17:24 [PATCH] OMAP3: PM: remove save/restore of exception handler state Kevin Hilman
2009-05-20 16:12 ` Kevin Hilman [this message]

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