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[IA64] pv_ops: fix ivt.S paravirtualization 

Recent kernels are not booting on some HP systems (though
it does boot on others). James and Willy reported the
problem.  James did the bisection to find the commit
that caused the problem:
	498c517047.
	[IA64] pvops: paravirtualize ivt.S

Two instructions were wrongly paravirtualized such that
_FROM_ macro had been used where _TO_ was intended

Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: "Wilcox, Matthew  R" <matthew.r.wilcox@intel.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Isaku Yamahata 2008-08-04 12:02:28 +09:00 committed by Tony Luck
parent 8f616cd524
commit 9b3cbf725f
1 changed files with 2 additions and 2 deletions
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4
arch/ia64/kernel/ivt.S
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@ -1243,11 +1243,11 @@ ENTRY(speculation_vector)
add r17=r17,r18 // now add the offset
;;
MOV_FROM_IIP(r17)
MOV_TO_IIP(r17, r19)
dep r16=0,r16,41,2 // clear EI
;;
MOV_FROM_IPSR(p0, r16)
MOV_TO_IPSR(p0, r16, r19)
;;
RFI