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x86: Optionally avoid injecting AO MCEs while others are pending

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Allow to tell cpu_x86_inject_mce that it should ignore Action Optional
MCE events when the target VCPU is still processing another one. This
will be used by KVM soon.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
CC: Huang Ying <ying.huang@intel.com>
CC: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
CC: Jin Dongming <jin.dongming@np.css.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Jan Kiszka 2011-03-02 08:56:10 +01:00 • committed by Marcelo Tosatti
parent 316378e4d0
commit 747461c76b
3 changed files with 28 additions and 10 deletions
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7
monitor.c
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@ -2709,12 +2709,15 @@ static void do_inject_mce(Monitor *mon, const QDict *qdict)
uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
uint64_t addr = qdict_get_int(qdict, "addr");
uint64_t misc = qdict_get_int(qdict, "misc");
int broadcast = qdict_get_try_bool(qdict, "broadcast", 0);
int flags = MCE_INJECT_UNCOND_AO;
if (qdict_get_try_bool(qdict, "broadcast", 0)) {
flags |= MCE_INJECT_BROADCAST;
}
for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu) {
if (cenv->cpu_index == cpu_index) {
cpu_x86_inject_mce(mon, cenv, bank, status, mcg_status, addr, misc,
broadcast);
flags);
break;
}
}