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tools: Fix virt-host-validate SEV detection

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virt-host-validate checks if AMD SEV is enabled by verifying
/sys/module/kvm_amd/parameters/sev is set to '1'. On a system
running kernel 5.13, the parameter is reported as 'Y'. To be
extra paranoid, add a check for 'y' along with 'Y' to complement
the existing check for '1'.

Fixes: https://bugzilla.opensuse.org/show_bug.cgi?id=1188715

Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Jim Fehlig 2021-10-05 22:34:57 -06:00
parent b96ca3b848
commit 3f9c1a4bb8
1 changed files with 1 additions and 1 deletions
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2
tools/virt-host-validate-common.c
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@ -501,7 +501,7 @@ int virHostValidateSecureGuests(const char *hvname,
return VIR_HOST_VALIDATE_FAILURE(level);
}
if (mod_value[0] != '1') {
if (mod_value[0] != '1' && mod_value[0] != 'Y' && mod_value[0] != 'y') {
virHostMsgFail(level,
"AMD Secure Encrypted Virtualization appears to be "
"disabled in kernel. Add kvm_amd.sev=1 "