diff mbox

[04/10] KVM: PPC: Book3S HV: Remove bogus update of physical thread IDs

Message ID 20120921053632.GE15685@drongo
State New, archived
Headers show

Commit Message

Paul Mackerras Sept. 21, 2012, 5:36 a.m. UTC 
When making a vcpu non-runnable we incorrectly changed the
thread IDs of all other threads on the core, just remove that
code.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---
 arch/powerpc/kvm/book3s_hv.c |    6 ------
 1 file changed, 6 deletions(-)

Comments

Alexander Graf Sept. 24, 2012, 12:52 p.m. UTC | #1 
On 21.09.2012, at 07:36, Paul Mackerras wrote:

> When making a vcpu non-runnable we incorrectly changed the
> thread IDs of all other threads on the core, just remove that
> code.
> 
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Signed-off-by: Paul Mackerras <paulus@samba.org>

Thanks, applied to kvm-ppc-next.


Alex

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diff mbox

Patch

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 6fe1410..a917603 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -759,17 +759,11 @@  extern void xics_wake_cpu(int cpu);
 static void kvmppc_remove_runnable(struct kvmppc_vcore *vc,
 				   struct kvm_vcpu *vcpu)
 {
-	struct kvm_vcpu *v;
-
 	if (vcpu->arch.state != KVMPPC_VCPU_RUNNABLE)
 		return;
 	vcpu->arch.state = KVMPPC_VCPU_BUSY_IN_HOST;
 	--vc->n_runnable;
 	++vc->n_busy;
-	/* decrement the physical thread id of each following vcpu */
-	v = vcpu;
-	list_for_each_entry_continue(v, &vc->runnable_threads, arch.run_list)
-		--v->arch.ptid;
 	list_del(&vcpu->arch.run_list);
 }