On Wed, 2011-10-05 at 14:01 +0200, Gleb Natapov wrote:
> +static void atomic_switch_perf_msrs(struct vcpu_vmx *vmx)
> +{
> + int i, nr_msrs;
> + struct perf_guest_switch_msr *msrs;
> +
> + msrs = perf_guest_get_msrs(&nr_msrs);
> +
> + if (!msrs)
> + return;
> +
> + for (i = 0; i < nr_msrs; i++)
> + if (msrs[i].host == msrs[i].guest)
> + clear_atomic_switch_msr(vmx, msrs[i].msr);
> + else
> + add_atomic_switch_msr(vmx, msrs[i].msr, msrs[i].guest,
> + msrs[i].host);
> +}
I don't think this will actually compile with PERF_EVENTS=n due to
struct perf_guest_switch_msr not being defined.
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