Commit b8aa287f authored Jan 28, 2009 by Jeremy Fitzhardinge Committed by H. Peter Anvin Jan 30, 2009

x86: fix paravirt clobber in entry_64.S



Impact: Fix latent bug

The clobber is trying to say that anything except RDI is available for
clobbering, but actually clobbers everything.  This hasn't mattered
because the clobbers were basically ignored, but subsequent patches
will rely on them.

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

parent 41edafdb

arch/x86/kernel/entry_64.S

+1 −1

Original line number	Diff line number	Diff line
		@@ -1140,7 +1140,7 @@ ENTRY(native_load_gs_index)
		CFI_STARTPROC
		pushf
		CFI_ADJUST_CFA_OFFSET 8
		DISABLE_INTERRUPTS(CLBR_ANY \| ~(CLBR_RDI))
		DISABLE_INTERRUPTS(CLBR_ANY & ~CLBR_RDI)
		SWAPGS
		gs_change:
		movl %edi,%gs

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