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| author | David Matlack <dmatlack@google.com> | 2022-09-29 11:12:07 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-09-30 06:39:36 -0400 |
| commit | 458e98746fa852d744d34b5a8d0b1673959efc2f (patch) | |
| tree | 32e32bcebee63ef2398050116e84da76b01bc28a /arch | |
| parent | 4d2bd14319e4e0a49fc868c50ca0b2a747b58208 (diff) | |
| download | linux-458e98746fa852d744d34b5a8d0b1673959efc2f.tar.gz | |
KVM: selftests: Fix nx_huge_pages_test on TDP-disabled hosts
Map the test's huge page region with 2MiB virtual mappings when TDP is
disabled so that KVM can shadow the region with huge pages. This fixes
nx_huge_pages_test on hosts where TDP hardware support is disabled.
Purposely do not skip this test on TDP-disabled hosts. While we don't
care about NX Huge Pages on TDP-disabled hosts from a security
perspective, KVM does support it, and so we should test it.
For TDP-enabled hosts, continue mapping the region with 4KiB pages to
ensure that KVM can map it with huge pages irrespective of the guest
mappings.
Fixes: 8448ec5993be ("KVM: selftests: Add NX huge pages test")
Signed-off-by: David Matlack <dmatlack@google.com>
Message-Id: <20220929181207.2281449-4-dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions