From: David Mosberger-Tang <davidm@mostang.com>
Date: Thu, 3 Nov 2005 06:40:19 +0000 (-0800)
Subject: [IA64] align signal-frame even when not using alternate signal-stack
X-Git-Tag: v2.6.15-rc1~42^2~7^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf20d1eafb648bf395b153cbcd0cde40f88c220a;p=pandora-kernel.git

[IA64] align signal-frame even when not using alternate signal-stack

At the moment, attempting to invoke a signal-handler on the normal
stack is guaranteed to fail if the stack-pointer happens not to be
16-byte aligned.  This is because the signal-trampoline will attempt
to store fp-regs with stf.spill instructions, which will trap for
misaligned addresses.  This isn't terribly useful behavior.  It's
better to just always align the signal frame to the next lower 16-byte
boundary.

Signed-off-by: David Mosberger-Tang <David.Mosberger@acm.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---

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