Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH v4 3/8] powerpc: Fix vDSO clock_getres() | Date | Thu, 5 Dec 2019 00:30:55 +1100 (AEDT) |
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On Mon, 2019-12-02 at 07:57:29 UTC, Christophe Leroy wrote: > From: Vincenzo Frascino <vincenzo.frascino@arm.com> > > clock_getres in the vDSO library has to preserve the same behaviour > of posix_get_hrtimer_res(). > > In particular, posix_get_hrtimer_res() does: > sec = 0; > ns = hrtimer_resolution; > and hrtimer_resolution depends on the enablement of the high > resolution timers that can happen either at compile or at run time. > > Fix the powerpc vdso implementation of clock_getres keeping a copy of > hrtimer_resolution in vdso data and using that directly. > > Fixes: a7f290dad32e ("[PATCH] powerpc: Merge vdso's and add vdso support > to 32 bits kernel") > Cc: stable@vger.kernel.org > Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> > Cc: Paul Mackerras <paulus@samba.org> > Cc: Michael Ellerman <mpe@ellerman.id.au> > Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> > Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr> > Acked-by: Shuah Khan <skhan@linuxfoundation.org> > [chleroy: changed CLOCK_REALTIME_RES to CLOCK_HRTIMER_RES] > Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/552263456215ada7ee8700ce022d12b0cffe4802
cheers
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