On 07/17/2012 05:45 PM, Xiao Guangrong wrote:
> In the later patch, it indicates failure when we try to get a writable
> hva from the readonly slot
>
> Signed-off-by: Xiao Guangrong <xiaoguangr...@linux.vnet.ibm.com>
> ---
> virt/kvm/kvm_main.c | 12 +++++++++++-
> 1 files changed, 11 insertions(+), 1 deletions(-)
>
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index b70f1a4..c056736 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -994,9 +994,19 @@ static inline unsigned long bad_hva(void)
> return PAGE_OFFSET;
> }
>
> +static inline unsigned long readonly_bad_hva(void)
> +{
> + return PAGE_OFFSET + PAGE_SIZE;
> +}
> +
> +static int kvm_is_readonly_bad_hva(unsigned long addr)
> +{
> + return addr == readonly_bad_hva();
> +}
> +
> int kvm_is_error_hva(unsigned long addr)
> {
> - return addr == bad_hva();
> + return addr == bad_hva() || kvm_is_readonly_bad_hva(addr);
> }
addr >= PAGE_OFFSET. Or change it to use -E*.
--
error compiling committee.c: too many arguments to function
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
