vmxcap: Open MSR file in unbuffered mode

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 <[email protected]>

---
 scripts/kvm/vmxcap |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

scripts/kvm/vmxcap +2 -2

index 0b23f77..6363e73 100755
@@ -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)

Signature · 1 line

1.7.3.4

Quoted 5 lines

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 <[email protected]>

Applied, thanks.

Am 14.02.2013 08:55, schrieb Gleb Natapov:

Quoted 7 lines · Jan Kiszka

Quoted 5 lines

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 <[email protected]>

Applied, thanks.

Could you please fix the "to to"? :)