| commit | 57a6a46aa26d6e39c62daf8b3b96e94f76e6846f | |
| author | Thomas Gleixner <tglx@linutronix.de> | |
| Wed, 30 Jan 2008 12:34:08 +0000 (30 13:34 +0100) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Wed, 30 Jan 2008 12:34:08 +0000 (30 13:34 +0100) | ||
| tree | aab1dc72f7048da7eda699cb52ae1430738c1c03 | treesnapshot (tar.gz zip) |
| parent | 56744546b3e5379177a70e7306c6283f727e4732 | commitdiff |
x86: cpa: implement clflush optimization
Use clflush on CPUs which support this.
clflush is only used when the page attribute operation has been
successful. On CPUs which do not support clflush and in the case of
error the old fashioned global_flush_tlb() is called.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Use clflush on CPUs which support this.
clflush is only used when the page attribute operation has been
successful. On CPUs which do not support clflush and in the case of
error the old fashioned global_flush_tlb() is called.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| arch/x86/mm/pageattr.c | diffblobblamehistory |