From: Anton Blanchard Date: Mon, 13 Jul 2020 08:36:01 +0000 (+1000) Subject: powerpc: Add cputime_to_nsecs() X-Git-Tag: v5.9-rc1~100^2~248 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=ade7667a981be49af9310f7c682c226283ec833d;p=linux-2.6-block.git powerpc: Add cputime_to_nsecs() Generic code has a wrapper to implement cputime_to_nsecs() on top of cputime_to_usecs() but we can easily return the full nanosecond resolution directly. Signed-off-by: Anton Blanchard Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200713083601.1103978-1-anton@ozlabs.org --- diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h index 0fccd5ea1e9a..9335b93924b4 100644 --- a/arch/powerpc/include/asm/cputime.h +++ b/arch/powerpc/include/asm/cputime.h @@ -36,6 +36,8 @@ static inline unsigned long cputime_to_usecs(const cputime_t ct) return mulhdu((__force u64) ct, __cputime_usec_factor); } +#define cputime_to_nsecs(cputime) tb_to_ns((__force u64)cputime) + /* * PPC64 uses PACA which is task independent for storing accounting data while * PPC32 uses struct thread_info, therefore at task switch the accounting data