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KVM: selftests: Don't assume vcpu->id is '0' in xAPIC state test

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In xapic_state_test's test_icr(), explicitly skip iterations that would
match vcpu->id instead of assuming vcpu->id is '0', so that IPIs are
are correctly sent to non-existent vCPUs.

Suggested-by: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/kvm/YyoZr9rXSSMEtdh5@google.com
Signed-off-by: Gautam Menghani <gautammenghani201@gmail.com>
Link: https://lore.kernel.org/r/20221017175819.12672-1-gautammenghani201@gmail.com
[sean: massage shortlog and changelog]
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Gautam Menghani 2022-10-17 23:28:19 +05:30 committed by Sean Christopherson
parent 2115713cfa
commit 376bc1b458
1 changed files with 3 additions and 1 deletions
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4
tools/testing/selftests/kvm/x86_64/xapic_state_test.c
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@ -114,7 +114,9 @@ static void test_icr(struct xapic_vcpu *x)
* vCPUs, not vcpu.id + 1. Arbitrarily use vector 0xff. * vCPUs, not vcpu.id + 1. Arbitrarily use vector 0xff.
*/ */
icr = APIC_INT_ASSERT | 0xff; icr = APIC_INT_ASSERT | 0xff;
for (i = vcpu->id + 1; i < 0xff; i++) { for (i = 0; i < 0xff; i++) {
if (i == vcpu->id)
continue;
for (j = 0; j < 8; j++) for (j = 0; j < 8; j++)
__test_icr(x, i << (32 + 24) | icr | (j << 8)); __test_icr(x, i << (32 + 24) | icr | (j << 8));
} }