lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

KVM: PPC: booke: save/restore VRSAVE (a.k.a. USPRG0)

Browse Source 
Linux doesn't use USPRG0 (now renamed VRSAVE in the architecture, even
when Altivec isn't involved), but a guest might.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Scott Wood
2011-04-27 17:24:10 -05:00
committed by Avi Kivity
parent 1a040b26c5
commit eab176722f
4 changed files with 15 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/powerpc/kvm/booke_interrupts.S
View File

@@ -380,7 +380,6 @@ lightweight_exit:
* because host interrupt handlers would get confused. */
lwz r1, VCPU_GPR(r1)(r4)
/* XXX handle USPRG0 */
/* Host interrupt handlers may have clobbered these guest-readable
* SPRGs, so we need to reload them here with the guest's values. */
lwz r3, VCPU_SPRG4(r4)