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KVM: PPC: Book3S HV: Add register name when loading toc

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Add 'r' to register name r2 in kvmppc_hv_enter.

Also update comment at the top of kvmppc_hv_enter to indicate that R2/TOC is
non-volatile.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Michael Neuling 2014-08-19 14:59:30 +10:00 committed by Alexander Graf
parent 2b2695a8d8
commit 06a29e4274
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/kvm/book3s_hv_rmhandlers.S
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@ -355,6 +355,7 @@ kvmppc_hv_entry:
* MSR = ~IR|DR
* R13 = PACA
* R1 = host R1
* R2 = TOC
* all other volatile GPRS = free
*/
mflr r0
@ -503,7 +504,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
toc_tlbie_lock:
.tc native_tlbie_lock[TC],native_tlbie_lock
.previous
ld r3,toc_tlbie_lock@toc(2)
ld r3,toc_tlbie_lock@toc(r2)
#ifdef __BIG_ENDIAN__
lwz r8,PACA_LOCK_TOKEN(r13)
#else