| commit | d4387bd3fa1d27e03bc87533c1650e24417c8016 | |
| author | Huang, Ying <ying.huang@intel.com> | |
| Thu, 31 Jan 2008 21:05:45 +0000 (31 22:05 +0100) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Thu, 31 Jan 2008 21:05:45 +0000 (31 22:05 +0100) | ||
| tree | 14103cb3d7d19f05c70ca5747c2c1c452c013dc9 | treesnapshot (tar.gz zip) |
| parent | 5827040df095d8dd6b5ca155dc4bfb5bafcb6ca2 | commitdiff |
x86: c_p_a clflush_cache_range fix
Because in i386 early boot stage, boot_cpu_data may be not available,
which makes clflush_cach_range() into infinite loop, which is called
by change_page_attr(). This patch fixes this by setting
boot_cpu_data.x86_clflush_size in early_cpu_detect().
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Because in i386 early boot stage, boot_cpu_data may be not available,
which makes clflush_cach_range() into infinite loop, which is called
by change_page_attr(). This patch fixes this by setting
boot_cpu_data.x86_clflush_size in early_cpu_detect().
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| arch/x86/kernel/cpu/common.c | diffblobblamehistory |