On 28/04/2015 18:24, Saso Slavicic wrote:
> This will probably end up in RHEL6 sooner or later (but probably not before
> 6.7)?
> As I like to experiment a bit, would this patch do for -2.6.32-504.12.2.el6
> kernel? The code in that function is somewhat different...
>
> --- a/arch/x86/kvm/lapic.c
> +++ b/arch/x86/kvm/lapic.c
> @@ -230,8 +230,13 @@
>
> static inline int apic_test_and_set_irr(int vec, struct kvm_lapic *apic)
> {
> + int ret = apic_test_and_set_vector(vec, apic->regs + APIC_IRR);
> + /*
> + * irr_pending must be true if any interrupt is pending; set it
> after
> + * APIC_IRR to avoid race with apic_clear_irr
> + */
> apic->irr_pending = true;
> - return apic_test_and_set_vector(vec, apic->regs + APIC_IRR);
> + return ret;
> }
>
> static inline int apic_search_irr(struct kvm_lapic *apic)
>
>
> Regards,
Yes, this exact same patch is brewing in the RHEL6.7 internal trees...
See https://bugzilla.redhat.com/show_bug.cgi?id=1213741
Paolo
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
