On Thu, 11 Apr 2019, Huw Davies wrote: > The 'mask' member of struct vsyscall_gtod_data is unused, so remove > it. Its use was removed in commit a51e996d48ac (x86/vdso: Enforce > 64bit clocksource).
That's true, but we are moving the VDSO to generic code, so the mask will stay. Thanks, tglx