Move the disabling of interrupt sources so it's done ahead of the offlining of APs. This is to prevent AMD systems triggering "Receive accept error" when interrupts target CPUs that are no longer online.
Signed-off-by: Roger Pau Monné <[email protected]> --- Changes since v1: - New in this version. --- xen/arch/x86/smp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/xen/arch/x86/smp.c b/xen/arch/x86/smp.c index 074baae2cc3b..f931db0d71c6 100644 --- a/xen/arch/x86/smp.c +++ b/xen/arch/x86/smp.c @@ -374,6 +374,8 @@ void smp_send_stop(void) smp_call_function(stop_this_cpu, &stop_aps, 0); local_irq_disable(); + disable_IO_APIC(); + hpet_disable(); if ( num_online_cpus() > 1 ) { @@ -389,8 +391,6 @@ void smp_send_stop(void) if ( cpu_online(cpu) ) { - disable_IO_APIC(); - hpet_disable(); __stop_this_cpu(); x2apic_enabled = (current_local_apic_mode() == APIC_MODE_X2APIC); } -- 2.46.0
