>>> On 26.05.15 at 13:14, <ian.campb...@citrix.com> wrote:
> --- a/xen/arch/x86/domctl.c
> +++ b/xen/arch/x86/domctl.c
> @@ -856,13 +856,16 @@ long arch_do_domctl(
> ret = -EINVAL;
> else
> {
> + xen_guest_tsc_info_t info = { 0 };
> +
> domain_pause(d);
> - tsc_get_info(d, &domctl->u.tsc_info.info.tsc_mode,
> - &domctl->u.tsc_info.info.elapsed_nsec,
> - &domctl->u.tsc_info.info.gtsc_khz,
> - &domctl->u.tsc_info.info.incarnation);
> + tsc_get_info(d, &info.tsc_mode,
> + &info.elapsed_nsec,
> + &info.gtsc_khz,
> + &info.incarnation);
> domain_unpause(d);
> - copyback = 1;
> + if ( copy_to_guest(domctl->u.tsc_info.out_info, &info, 1) )
> + ret = -EFAULT;
> }
> break;
>
I have to admit that I don't see the point of this change when patch
2 basically undoes it all.
Jan
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