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The current memory region move test correctly handles the situation that
the second (realigning) memslot move operation would temporarily trigger
MMIO until it completes, however it does not handle the case in which the
first (misaligning) move operation does this, too.
This results in false test assertions in case it does so.
Fix this by handling temporary MMIO from the first memslot move operation
in the test guest code, too.
Fixes: 8a0639fe9201 ("KVM: sefltests: Add explicit synchronization to move mem region test")
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Message-Id: <0fdddb94bb0e31b7da129a809a308d91c10c0b5e.1606941224.git.maciej.szmigiero@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
On AMD, the state of the VMCB is undefined after a shutdown VMEXIT. KVM
takes a very conservative approach to that and resets the guest altogether
when that happens. This causes the set_memory_region_test to fail
because the RIP is 0xfff0 (the reset vector). Restrict the RIP test
to KVM_EXIT_INTERNAL_ERROR in order to fix this.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch introduces test_add_max_memory_regions(), which checks
that a VM can have added memory slots up to the limit defined in
KVM_CAP_NR_MEMSLOTS. Then attempt to add one more slot to
verify it fails as expected.
Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200410231707.7128-11-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Make set_memory_region_test available on all architectures by wrapping
the bits that are x86-specific in ifdefs. A future testcase
to create the maximum number of memslots will be architecture
agnostic.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200410231707.7128-10-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
