* [kvm-unit-tests PATCH] x86: vmx: actually allocate io_bitmap_b
@ 2016-02-22 23:35 Peter Feiner
0 siblings, 0 replies; only message in thread
From: Peter Feiner @ 2016-02-22 23:35 UTC (permalink / raw)
To: kvm, drjones, pbonzini; +Cc: pfeiner
Test would run and pass with io_bitmap_b = 0.
I discovered the problem while developing a new test. I expected to
get an 'Unhandled cpu exception 14' message but the test VM rebooted
instead. I suspect it hit a triple fault but I didn't debug further.
Signed-off-by: Peter Feiner <pfeiner@google.com>
---
x86/vmx_tests.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/x86/vmx_tests.c b/x86/vmx_tests.c
index 451fdd7..bb65c06 100644
--- a/x86/vmx_tests.c
+++ b/x86/vmx_tests.c
@@ -566,7 +566,7 @@ static int iobmp_init()
u32 ctrl_cpu0;
io_bitmap_a = alloc_page();
- io_bitmap_a = alloc_page();
+ io_bitmap_b = alloc_page();
memset(io_bitmap_a, 0x0, PAGE_SIZE);
memset(io_bitmap_b, 0x0, PAGE_SIZE);
ctrl_cpu0 = vmcs_read(CPU_EXEC_CTRL0);
--
2.7.0.rc3.207.g0ac5344
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2016-02-22 23:35 [kvm-unit-tests PATCH] x86: vmx: actually allocate io_bitmap_b Peter Feiner
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