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Re: [PATCH 3/3] MIPS: Move signal trampolines off of the stack.

To: David Daney <ddaney@caviumnetworks.com>
Subject: Re: [PATCH 3/3] MIPS: Move signal trampolines off of the stack.
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 16 Mar 2010 20:56:20 +0100
Cc: linux-mips@linux-mips.org
In-reply-to: <1266538385-29088-4-git-send-email-ddaney@caviumnetworks.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <1266538385-29088-1-git-send-email-ddaney@caviumnetworks.com> <1266538385-29088-4-git-send-email-ddaney@caviumnetworks.com>
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User-agent: Mutt/1.5.20 (2009-08-17)
On Thu, Feb 18, 2010 at 04:13:05PM -0800, David Daney wrote:

> This is a follow on to the vdso patch.
> 
> Since all processes now have signal trampolines permanently mapped, we
> can use those instead of putting the trampoline on the stack and
> invalidating the corresponding icache across all CPUs.  We also get
> rid of a bunch of ICACHE_REFILLS_WORKAROUND_WAR code.

Thanks, applied.

  Ralf

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