Re: [PATCH] sched_clock: Remove deprecated setup_sched_clock() API
From: Stephen Boyd
Date: Thu Apr 17 2014 - 14:31:16 EST
On 04/08/14 17:33, Stephen Boyd wrote:
> Remove the 32-bit only setup_sched_clock() API now that all users
> have been converted to the 64-bit friendly sched_clock_register().
>
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> ---
>
> This is based on Linus' tree at a7963eb7f4c4 (Merge branch 'for_linus' of
> git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs, 2014-04-07)
> but technically this only needs to be based on 2d1eb87ae1e6 (Merge branch
> 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm, 2014-04-05) because
> the last user of setup_sched_clock() was in rmk's tree.
ping?
>
> include/linux/sched_clock.h | 1 -
> kernel/time/sched_clock.c | 13 -------------
> 2 files changed, 14 deletions(-)
>
> diff --git a/include/linux/sched_clock.h b/include/linux/sched_clock.h
> index cddf0c2940b6..efa931c5cef1 100644
> --- a/include/linux/sched_clock.h
> +++ b/include/linux/sched_clock.h
> @@ -14,7 +14,6 @@ extern void sched_clock_postinit(void);
> static inline void sched_clock_postinit(void) { }
> #endif
>
> -extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate);
> extern void sched_clock_register(u64 (*read)(void), int bits,
> unsigned long rate);
>
> diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
> index 4d23dc4d8139..445106d2c729 100644
> --- a/kernel/time/sched_clock.c
> +++ b/kernel/time/sched_clock.c
> @@ -49,13 +49,6 @@ static u64 notrace jiffy_sched_clock_read(void)
> return (u64)(jiffies - INITIAL_JIFFIES);
> }
>
> -static u32 __read_mostly (*read_sched_clock_32)(void);
> -
> -static u64 notrace read_sched_clock_32_wrapper(void)
> -{
> - return read_sched_clock_32();
> -}
> -
> static u64 __read_mostly (*read_sched_clock)(void) = jiffy_sched_clock_read;
>
> static inline u64 notrace cyc_to_ns(u64 cyc, u32 mult, u32 shift)
> @@ -176,12 +169,6 @@ void __init sched_clock_register(u64 (*read)(void), int bits,
> pr_debug("Registered %pF as sched_clock source\n", read);
> }
>
> -void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate)
> -{
> - read_sched_clock_32 = read;
> - sched_clock_register(read_sched_clock_32_wrapper, bits, rate);
> -}
> -
> void __init sched_clock_postinit(void)
> {
> /*
--
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