Messages in this thread | | | Date | Sun, 14 Jan 2018 21:35:27 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH v2 2/7] x86/hyper-v: add a function to read both TSC and TSC page value simulateneously |
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On Wed, 13 Dec 2017, Vitaly Kuznetsov wrote:
> This is going to be used from KVM code where we need to get both > TSC and TSC page value. > > When Hyper-V code is compiled out just return rdtsc(), this will allow us > to avoid ugly ifdefs in non-Hyper-V code.
That's not what the patch implements....
> +static inline u64 hv_read_tsc_page_tsc(const struct ms_hyperv_tsc_page *tsc_pg, > + u64 *cur_tsc) > +{ > + BUG(); > + return U64_MAX; > +}
Thanks,
tglx
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