Sorry for forgot to mention that this patch is for lapic5 tree. And it replaced the "Reading PPR directly from function rather than apic page"
thanks. Yang, Sheng wrote: > After TPR Shadow feature introduced, many TPR access won't cause vmexit, so > the ordinary point of catching TPR and updating PPR is insufficient. > . > This patch updates PPR everytime when possible reading PPR action occurs. > > Signed-off-by: Sheng Yang <[EMAIL PROTECTED]> > --- > drivers/kvm/lapic.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/drivers/kvm/lapic.c b/drivers/kvm/lapic.c > index 98a3719..b0665fa 100644 > --- a/drivers/kvm/lapic.c > +++ b/drivers/kvm/lapic.c > @@ -496,6 +496,7 @@ static u32 __apic_read(struct kvm_lapic *apic, unsigned > int offset) break; > > default: > + apic_update_ppr(apic); > val = apic_get_reg(apic, offset); > break; > } > @@ -963,6 +964,7 @@ int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu) > if (!apic || !apic_enabled(apic)) > return -1; > > + apic_update_ppr(apic); > highest_irr = apic_find_highest_irr(apic); > if ((highest_irr == -1) || > ((highest_irr & 0xF0) <= apic_get_reg(apic, APIC_PROCPRI))) Thanks Yang, Sheng ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
