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author | Paolo Bonzini <pbonzini@redhat.com> | 2014-03-25 15:44:06 +0100 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-03-25 15:44:06 +0100 |
commit | f7b9ddb8a5e8a25954217fa25d114bd8cf4491a4 (patch) | |
tree | 06837e268d145e59ad46d9cd5f6c36c16f2424c9 /arch/s390/kvm/interrupt.c | |
parent | ea2108c9308071ae41ae6f537724cb2734045943 (diff) | |
parent | 2ed10cc15e7edf2daf22ce807a877a1266e97711 (diff) |
Merge tag 'kvm-s390-20140325' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-next
3 fixes
- memory leak on certain SIGP conditions
- wrong size for idle bitmap (always too big)
- clear local interrupts on initial CPU reset
1 performance improvement
- improve performance with many guests on certain workloads
Diffstat (limited to 'arch/s390/kvm/interrupt.c')
-rw-r--r-- | arch/s390/kvm/interrupt.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 2e2814eceb8..200a8f9390b 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -510,6 +510,20 @@ enum hrtimer_restart kvm_s390_idle_wakeup(struct hrtimer *timer) return HRTIMER_NORESTART; } +void kvm_s390_clear_local_irqs(struct kvm_vcpu *vcpu) +{ + struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; + struct kvm_s390_interrupt_info *n, *inti = NULL; + + spin_lock_bh(&li->lock); + list_for_each_entry_safe(inti, n, &li->list, list) { + list_del(&inti->list); + kfree(inti); + } + atomic_set(&li->active, 0); + spin_unlock_bh(&li->lock); +} + void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu) { struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; |