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authorAnton Blanchard <anton@samba.org>2014-06-12 18:16:10 +1000
committerAlexander Graf <agraf@suse.de>2014-07-28 15:22:13 +0200
commit05a308c722822b0fbcc706b54be70f9bb9d52539 (patch)
treec2a676ed6413138b95da12b66806cf4f07ff7754 /arch/powerpc/kvm/book3s_hv_rmhandlers.S
parentKVM: PPC: Book3S PR: Handle hyp doorbell exits (diff)
downloadlinux-dev-05a308c722822b0fbcc706b54be70f9bb9d52539.tar.xz
linux-dev-05a308c722822b0fbcc706b54be70f9bb9d52539.zip
KVM: PPC: Book3S HV: Fix ABIv2 indirect branch issue
To establish addressability quickly, ABIv2 requires the target address of the function being called to be in r12. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/book3s_hv_rmhandlers.S')
-rw-r--r--arch/powerpc/kvm/book3s_hv_rmhandlers.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index 868347ef09fd..da1cac5ae288 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1913,8 +1913,8 @@ hcall_try_real_mode:
lwax r3,r3,r4
cmpwi r3,0
beq guest_exit_cont
- add r3,r3,r4
- mtctr r3
+ add r12,r3,r4
+ mtctr r12
mr r3,r9 /* get vcpu pointer */
ld r4,VCPU_GPR(R4)(r9)
bctrl