diff options
| author | Andy Lutomirski <luto@mit.edu> | 2011-07-13 15:24:13 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2011-07-13 20:23:12 +0200 |
| commit | 433bd805e5fd2c731b3a9025b034f066272d336e (patch) | |
| tree | 3c319294f98d048146ba1b082241aee197c7d0cf /arch/x86/include/asm/clocksource.h | |
| parent | x86-64: Add --no-undefined to vDSO build (diff) | |
| download | linux-433bd805e5fd2c731b3a9025b034f066272d336e.tar.xz linux-433bd805e5fd2c731b3a9025b034f066272d336e.zip | |
clocksource: Replace vread with generic arch data
The vread field was bloating struct clocksource everywhere except
x86_64, and I want to change the way this works on x86_64, so let's
split it out into per-arch data.
Cc: x86@kernel.org
Cc: Clemens Ladisch <clemens@ladisch.de>
Cc: linux-ia64@vger.kernel.org
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andy Lutomirski <luto@mit.edu>
Link: http://lkml.kernel.org/r/3ae5ec76a168eaaae63f08a2a1060b91aa0b7759.1310563276.git.luto@mit.edu
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include/asm/clocksource.h')
| -rw-r--r-- | arch/x86/include/asm/clocksource.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/include/asm/clocksource.h b/arch/x86/include/asm/clocksource.h new file mode 100644 index 000000000000..a5df33f614c9 --- /dev/null +++ b/arch/x86/include/asm/clocksource.h @@ -0,0 +1,16 @@ +/* x86-specific clocksource additions */ + +#ifndef _ASM_X86_CLOCKSOURCE_H +#define _ASM_X86_CLOCKSOURCE_H + +#ifdef CONFIG_X86_64 + +#define __ARCH_HAS_CLOCKSOURCE_DATA + +struct arch_clocksource_data { + cycle_t (*vread)(void); +}; + +#endif /* CONFIG_X86_64 */ + +#endif /* _ASM_X86_CLOCKSOURCE_H */ |