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(parent: 5827040) | patch
x86: c_p_a clflush_cache_range fix
authorHuang, Ying <ying.huang@intel.com>
Thu, 31 Jan 2008 21:05:45 +0000 (22:05 +0100)
committerIngo Molnar <mingo@elte.hu>
Thu, 31 Jan 2008 21:05:45 +0000 (22:05 +0100)
commitd4387bd3fa1d27e03bc87533c1650e24417c8016
tree14103cb3d7d19f05c70ca5747c2c1c452c013dc9tree | snapshot
parent5827040df095d8dd6b5ca155dc4bfb5bafcb6ca2commit | diff
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>
arch/x86/kernel/cpu/common.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)