powerpc/vdso32: implement clock_getres entirely
authorChristophe Leroy <christophe.leroy@c-s.fr>
Mon, 2 Dec 2019 07:57:33 +0000 (07:57 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 23 Jan 2020 10:31:15 +0000 (21:31 +1100)
commite33ffc956b086675551b86f5f83cf50ca47aa71c
tree2d26279494e7d9c33c35086b443a7b773f6b4bd1
parent6e2f9e9cfd560f5d9ce86503e5ae66330ccb97fc
powerpc/vdso32: implement clock_getres entirely

clock_getres returns hrtimer_res for all clocks but coarse ones
for which it returns KTIME_LOW_RES.

return EINVAL for unknown clocks.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/37f94e47c91070b7606fb3ec3fe6fd2302a475a0.1575273217.git.christophe.leroy@c-s.fr
arch/powerpc/kernel/asm-offsets.c
arch/powerpc/kernel/vdso32/gettimeofday.S