x86/entry/32: Relax a pvops stub clobber specification
The code at .Lrestore_nocheck does not make any assumptions on register values, so all registers can be clobbered on code paths leading there. Signed-off-by:Jan Beulich <jbeulich@suse.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/5894542B02000078001366C5@prv-mh.provo.novell.comSigned-off-by:
Ingo Molnar <mingo@kernel.org>
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