From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Python may otherwise decide to to read larger chunks, applying the seek
only on the software buffer. This will return results from the wrong
MSRs.
Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx>
---
scripts/kvm/vmxcap | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/scripts/kvm/vmxcap b/scripts/kvm/vmxcap
index 0b23f77..6363e73 100755
--- a/scripts/kvm/vmxcap
+++ b/scripts/kvm/vmxcap
@@ -27,9 +27,9 @@ MSR_IA32_VMX_VMFUNC = 0x491
class msr(object):
def __init__(self):
try:
- self.f = file('/dev/cpu/0/msr')
+ self.f = open('/dev/cpu/0/msr', 'r', 0)
except:
- self.f = file('/dev/msr0')
+ self.f = open('/dev/msr0', 'r', 0)
def read(self, index, default = None):
import struct
self.f.seek(index)
--
1.8.1.4
--
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