Jeremy Fitzhardinge 71999d9862 x86/paravirt: Use normal calling sequences for irq enable/disable ... Bastian Blank reported a boot crash with stackprotector enabled, and debugged it back to edx register corruption. For historical reasons irq enable/disable/save/restore had special calling sequences to make them more efficient. With the more recent introduction of higher-level and more general optimisations this is no longer necessary so we can just use the normal PVOP_ macros. This fixes some residual bugs in the old implementations which left edx liable to inadvertent clobbering. Also, fix some bugs in __PVOP_VCALLEESAVE which were revealed by actual use. Reported-by: Bastian Blank <bastian@waldi.eu.org> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Stable Kernel <stable@kernel.org> Cc: Xen-devel <xen-devel@lists.xensource.com> LKML-Reference: <4AD3BC9B.7040501@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>		2009-10-13 09:22:01 +02:00
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asm	x86/paravirt: Use normal calling sequences for irq enable/disable	2009-10-13 09:22:01 +02:00