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Message-Id: <1373996058-13399-4-git-send-email-rth@twiddle.net> Date: Tue, 16 Jul 2013 10:34:11 -0700 From: Richard Henderson <rth@...ddle.net> To: linux-kernel@...r.kernel.org Cc: ink@...assic.park.msu.ru, mattst88@...il.com, linux-alpha@...r.kernel.org Subject: [RFC PATCH 03/10] alpha: Force the user-visible HZ to a constant 1024. This kernel/user split was done long ago for other architectures. Signed-off-by: Richard Henderson <rth@...ddle.net> --- arch/alpha/include/asm/param.h | 8 +++++--- arch/alpha/include/uapi/asm/param.h | 7 ------- 2 files changed, 5 insertions(+), 10 deletions(-) diff --git a/arch/alpha/include/asm/param.h b/arch/alpha/include/asm/param.h index bf46af5..a5b68b2 100644 --- a/arch/alpha/include/asm/param.h +++ b/arch/alpha/include/asm/param.h @@ -3,7 +3,9 @@ #include <uapi/asm/param.h> -#define HZ CONFIG_HZ -#define USER_HZ HZ -# define CLOCKS_PER_SEC HZ /* frequency at which times() counts */ +# undef HZ +# define HZ CONFIG_HZ +# define USER_HZ 1024 +# define CLOCKS_PER_SEC USER_HZ /* frequency at which times() counts */ + #endif /* _ASM_ALPHA_PARAM_H */ diff --git a/arch/alpha/include/uapi/asm/param.h b/arch/alpha/include/uapi/asm/param.h index 29daed8..dbcd983 100644 --- a/arch/alpha/include/uapi/asm/param.h +++ b/arch/alpha/include/uapi/asm/param.h @@ -1,13 +1,7 @@ #ifndef _UAPI_ASM_ALPHA_PARAM_H #define _UAPI_ASM_ALPHA_PARAM_H -/* ??? Gross. I don't want to parameterize this, and supposedly the - hardware ignores reprogramming. We also need userland buy-in to the - change in HZ, since this is visible in the wait4 resources etc. */ - -#ifndef __KERNEL__ #define HZ 1024 -#endif #define EXEC_PAGESIZE 8192 @@ -17,5 +11,4 @@ #define MAXHOSTNAMELEN 64 /* max length of hostname */ - #endif /* _UAPI_ASM_ALPHA_PARAM_H */ -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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