[PATCH] qemu: Fix the check of AMD secure guest support

Vasiliy Ulyanov vulyanov at suse.de
Fri Nov 19 12:37:38 UTC 2021


The content of /sys/module/kvm_amd/parameters/sev may vary depending on
the kernel version. Check also for 'Y' and 'y' in addition to '1' to
cover several possible variants. The fix is similar to the one
introduced in commit 3f9c1a4bb841.

Signed-off-by: Vasiliy Ulyanov <vulyanov at suse.de>
---
 src/qemu/qemu_capabilities.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 67fae46a34..b864f4d7df 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -4681,7 +4681,7 @@ virQEMUCapsKVMSupportsSecureGuestAMD(void)
     if (virFileReadValueString(&modValue, "/sys/module/kvm_amd/parameters/sev") < 0)
         return false;
 
-    if (modValue[0] != '1')
+    if (modValue[0] != '1' && modValue[0] != 'Y' && modValue[0] != 'y')
         return false;
 
     if (virFileExists(QEMU_DEV_SEV))
-- 
2.33.1





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