Messages in this thread | | | Date | Wed, 24 Feb 2010 11:22:45 +0100 | From | Jan Kiszka <> | Subject | Re: [PATCH] KVM: x86: Kick VCPU outside PIC lock again |
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Avi Kivity wrote: > On 02/24/2010 12:13 PM, Jan Kiszka wrote: >> >>> I see. Won't we hit the same issue when we call pic functions from >>> atomic context during the guest entry sequence? >>> >>> >> If there are such call paths, for sure. What concrete path(s) do you >> have in mind? >> >> > > vcpu_enter_guest() -> inject_pending_event() -> > kvm_cpu_{has,get}_interrupt() -> various pic functions if you're unlucky.
But do they kick anyone or just check/pull information? Never saw any warnings during my tests last year (granted: with older -rt and kvm versions).
Jan
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