KVM: selftests: Verify vCPU migration during IRQ delivery in IRQ test

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Extend the eventfd IRQ test with a '-m' flag to have the test migrate the
target vCPU to a random physical CPU before triggering its interrupt, e.g.
to validate KVM's ability to update device posted IRQ routing.

Signed-off-by: David Matlack <dmatlack@google.com>
Co-developed-by: Josh Hilke <jrhilke@google.com>
Signed-off-by: Josh Hilke <jrhilke@google.com>
[sean: pin one vCPU at a time to simplify things, use main()'s affinity]
Link: https://patch.msgid.link/20260626213534.3866178-19-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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David Matlack 2026-06-26 14:35:31 -07:00 • committed by Sean Christopherson

parent 26fd1fb473

commit 6b9470baea

1 changed files with 16 additions and 3 deletions

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tools/testing/selftests/kvm/irq_test.c

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