Yang, Sheng wrote:
> Add MSR Bitmap support in VMX so that some execution of RDMSR or WRMSR
> won't cause a VM exit.
>
> Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
> Signed-off-by: Qing He <[EMAIL PROTECTED]>
> ---
> drivers/kvm/vmx.c | 44 +++++++++++++++++++++++++++++++++++++++++++-
> drivers/kvm/vmx.h | 3 +++
> 2 files changed, 46 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
> index 3b901fe..bebe0d4 100644
> --- a/drivers/kvm/vmx.c
> +++ b/drivers/kvm/vmx.c
> @@ -71,6 +71,7 @@ static DEFINE_PER_CPU(struct vmcs *, current_vmcs);
>
> static struct page *vmx_io_bitmap_a;
> static struct page *vmx_io_bitmap_b;
> +static struct page *vmx_msr_bitmap;
>
>
hmm. While there's nothing wrong with the patch, there is a simpler way
to do this:
static unsigned long vmx_msr_bitmap[PAGE_SIZE / sizeof(unsigned
long)] __aligned(PAGE_SIZE);
now there's no need to allocate, error-check, free, or kmap the memory.
The io bitmaps can receive similar treatment.
--
error compiling committee.c: too many arguments to function
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