kvm: selftests: ucall improvements

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Make sure we complete the I/O after determining we have a ucall,
which is I/O. Also allow the *uc parameter to optionally be NULL.
It's quite possible that a test case will only care about the
return value, like for example when looping on a check for
UCALL_DONE.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Andrew Jones 2019-05-27 14:30:06 +02:00 • committed by Paolo Bonzini

parent 511a8556e3

commit 2c7c5d3d39

2 changed files with 14 additions and 8 deletions

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3

tools/testing/selftests/kvm/dirty_log_test.c

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19

tools/testing/selftests/kvm/lib/ucall.c

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