This has been a warning before that was always raised if the machine has a hpet. hpet_reset() will eventually result in mshv_send_msi called w/ vector 0, which we can safely drop.
Signed-off-by: Magnus Kulke <[email protected]> --- hw/i386/mshv/apic.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/hw/i386/mshv/apic.c b/hw/i386/mshv/apic.c index 9188a93b2f..ad326030bf 100644 --- a/hw/i386/mshv/apic.c +++ b/hw/i386/mshv/apic.c @@ -293,6 +293,16 @@ static void mshv_send_msi(MSIMessage *msi) delivery = (data >> MSI_DATA_DELIVERY_MODE_SHIFT) & MSI_DATA_DELIVERY_MODE_MASK; + /* + * Vector 0 is not a valid interrupt vector (0-15 are reserved for CPU + * exceptions). This can trigger during machine reset, if hpet_reset() + * forces the PIT to pulse GSI 2 before IOAPIC's own reset has masked its + * redirection entries. + */ + if (vector == 0) { + return; + } + mshv_request_interrupt(mshv_state, delivery, vector, dest, dest_mode, trigger_mode); } -- 2.34.1
