Re: segfault after loading kvm-intel

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

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Nikolas Coukouma wrote:
> I've had this happen with releases 22 and 23. I just tested releases 17
> and 21 without trouble.
>
> I've included all the information that I can think of. If anything else
> would be helpful, please let me know.
>
> May  7 17:24:16 rffd kernel:  [<f898a12d>] vmx_init+0x6f/0xbf [kvm_intel]
> May  7 17:24:16 rffd kernel: EIP: [<c014a9f9>] kunmap_high+0x18/0x7e
>   

Please try the attached patch (cd into kernel/ directory, and apply with 
patch -p3)


-- 
error compiling committee.c: too many arguments to function


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diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 1b6352a..804a623 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -2273,11 +2273,11 @@ static int __init vmx_init(void)
 	iova = kmap(vmx_io_bitmap_a);
 	memset(iova, 0xff, PAGE_SIZE);
 	clear_bit(0x80, iova);
-	kunmap(iova);
+	kunmap(vmx_io_bitmap_a);
 
 	iova = kmap(vmx_io_bitmap_b);
 	memset(iova, 0xff, PAGE_SIZE);
-	kunmap(iova);
+	kunmap(vmx_io_bitmap_b);
 
 	r = kvm_init_arch(&vmx_arch_ops, THIS_MODULE);
 	if (r)

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