Commit a4fc3212 authored by Pavel Dovgalyuk's avatar Pavel Dovgalyuk Committed by Paolo Bonzini
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i386: interrupt poll processing 



This patch updates x86_cpu_exec_interrupt function.
It can process two interrupt request at a time (poll and another one).
This makes its execution non-deterministic. Determinism is requred
for recorded icount execution.

Signed-off-by: default avatarPavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-Id: <20150917162410.8676.13042.stgit@PASHA-ISP.def.inno>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 6220e900

target-i386/seg_helper.c

+3 −0
Original line number Diff line number Diff line
@@ -1321,6 +1321,9 @@ bool x86_cpu_exec_interrupt(CPUState *cs, int interrupt_request) 
    if (interrupt_request & CPU_INTERRUPT_POLL) {

        cs->interrupt_request &= ~CPU_INTERRUPT_POLL;

        apic_poll_irq(cpu->apic_state);

        /* Don't process multiple interrupt requests in a single call.

           This is required to make icount-driven execution deterministic. */

        return true;

    }

#endif

    if (interrupt_request & CPU_INTERRUPT_SIPI) {