From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Wed, 28 Jan 2009 22:35:06 +0000 (-0800)
Subject: x86/paravirt: implement PVOP_CALL macros for callee-save functions
X-Git-Tag: v2.6.30-rc1~2^2~50^2~46^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=791bad9d28d405d9397ea0c370ffb7c7bdd2aa6e;p=pandora-kernel.git

x86/paravirt: implement PVOP_CALL macros for callee-save functions

Impact: Optimization

Functions with the callee save calling convention clobber many fewer
registers than the normal C calling convention.  Implement variants of
PVOP_V?CALL* accordingly.  This only bothers with functions up to 3
args, since functions with more args may as well use the normal
calling convention.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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