On 01/26/2017 05:25 PM, Andy Lutomirski wrote: > On Wed, Jan 25, 2017 at 9:33 AM, Joao Martins <joao.m.martins@xxxxxxxxxx> wrote: >> Right now there is only a pvclock_pvti_cpu0_va() which is defined >> on kvmclock since: >> >> commit dac16fba6fc5 >> ("x86/vdso: Get pvclock data from the vvar VMA instead of the fixmap") >> >> The only user of this interface was kvm. This commit moves >> pvclock_pvti_cpu0_va to pvclock which is a more generic place to have it >> and adds the correspondent setter routine for it. This allows other >> pvclock-based clocksources to use it, such as Xen. > > With a minor nit: > > Acked-by: Andy Lutomirski <luto@xxxxxxxxxx> > >> +#else >> +static inline void pvclock_set_pvti_cpu0_va(struct pvclock_vsyscall_time_info *pvti) >> +{ >> +} > > How about just not providing pvclock_set_pvti_cpu0_va() in this case? > It'll save three lines of code, and, more importantly, it will force > us to notice if we screw up the Kconfig stuff. Sounds good, will remove this then. Thanks! Joao