On 10/9/2018 11:06 PM, Vitaly Kuznetsov wrote:
Li Zhijian <zhijianx.li@xxxxxxxxx> writes:
0Day robot noticed that "FAIL: EPT - MMIO access" since kernel commit
d1766202: ("x86/kvm/lapic: always disable MMIO interface in x2APIC mode")
As the changelog said, MMIO accessing is disabled in x2APIC mode
which is a common feature in modern CPUs, so disable x2APIC mode when the tests
try to access lapic MMIO accrodingly
CC: Rong Chen <rong.a.chen@xxxxxxxxx>
CC: Philip Li <philip.li@xxxxxxxxx>
CC: 0day robot <lkp@xxxxxxxxx>
CC: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
Signed-off-by: Li Zhijian <zhijianx.li@xxxxxxxxx>
Yesterday I sent a patch fixing the issue:
https://www.spinics.net/lists/kvm/msg176052.html
That's cool.
Feel free to drop/ignore my patch
Thanks
the patch is different but the idea is the same.
---
x86/unittests.cfg | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/x86/unittests.cfg b/x86/unittests.cfg
index 3b21a85..883dd82 100644
--- a/x86/unittests.cfg
+++ b/x86/unittests.cfg
@@ -340,7 +340,7 @@ groups = vmx
[vmx_EPT_AD_disabled]
file = vmx.flat
-extra_params = -cpu host,+vmx -append EPT_A/D_disabled
+extra_params = -cpu host,+vmx,-x2apic -append EPT_A/D_disabled
arch = x86_64
groups = vmx
