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KVM: Fix vmx I/O bitmap initialization on highmem systems 

kunmap() expects a struct page, not a virtual address.  Fixes an oops loading
kvm-intel.ko on i386 with CONFIG_HIGHMEM.

Thanks to Michael Ivanov <deruhu@peterstar.ru> for reporting.

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2007-05-08 11:34:07 +03:00
parent 653e3108b7
commit cd0536d7cb
1 changed files with 2 additions and 2 deletions
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4
drivers/kvm/vmx.c
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@ -2274,11 +2274,11 @@ 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)