From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 10 Sep 2015 23:42:49 +0000 (-0700)
Subject: Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=519f526d391b0ef775aeb04c4b6f632ea6b3ee50;p=deliverable%2Flinux.git

Merge tag 'for-linus' of git://git./virt/kvm/kvm

Pull more kvm updates from Paolo Bonzini:
 "ARM:
   - Full debug support for arm64
   - Active state switching for timer interrupts
   - Lazy FP/SIMD save/restore for arm64
   - Generic ARMv8 target

  PPC:
   - Book3S: A few bug fixes
   - Book3S: Allow micro-threading on POWER8

  x86:
   - Compiler warnings

  Generic:
   - Adaptive polling for guest halt"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (49 commits)
  kvm: irqchip: fix memory leak
  kvm: move new trace event outside #ifdef CONFIG_KVM_ASYNC_PF
  KVM: trace kvm_halt_poll_ns grow/shrink
  KVM: dynamic halt-polling
  KVM: make halt_poll_ns per-vCPU
  Silence compiler warning in arch/x86/kvm/emulate.c
  kvm: compile process_smi_save_seg_64() only for x86_64
  KVM: x86: avoid uninitialized variable warning
  KVM: PPC: Book3S: Fix typo in top comment about locking
  KVM: PPC: Book3S: Fix size of the PSPB register
  KVM: PPC: Book3S HV: Exit on H_DOORBELL if HOST_IPI is set
  KVM: PPC: Book3S HV: Fix race in starting secondary threads
  KVM: PPC: Book3S: correct width in XER handling
  KVM: PPC: Book3S HV: Fix preempted vcore stolen time calculation
  KVM: PPC: Book3S HV: Fix preempted vcore list locking
  KVM: PPC: Book3S HV: Implement H_CLEAR_REF and H_CLEAR_MOD
  KVM: PPC: Book3S HV: Fix bug in dirty page tracking
  KVM: PPC: Book3S HV: Fix race in reading change bit when removing HPTE
  KVM: PPC: Book3S HV: Implement dynamic micro-threading on POWER8
  KVM: PPC: Book3S HV: Make use of unused threads when running guests
  ...
---

519f526d391b0ef775aeb04c4b6f632ea6b3ee50
diff --cc arch/powerpc/kvm/book3s_hv.c
index a9f753fb73a8,c5edf1719314..9754e6815e52
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@@ -2178,11 -2678,12 +2678,12 @@@ static int kvmppc_run_vcpu(struct kvm_r
  		vc->runner = vcpu;
  		if (n_ceded == vc->n_runnable) {
  			kvmppc_vcore_blocked(vc);
 -		} else if (should_resched()) {
 +		} else if (need_resched()) {
- 			vc->vcore_state = VCORE_PREEMPT;
+ 			kvmppc_vcore_preempt(vc);
  			/* Let something else run */
  			cond_resched_lock(&vc->lock);
- 			vc->vcore_state = VCORE_INACTIVE;
+ 			if (vc->vcore_state == VCORE_PREEMPT)
+ 				kvmppc_vcore_end_preempt(vc);
  		} else {
  			kvmppc_run_core(vc);
  		}