Messages in this thread |  | | | From | Andi Kleen <> | | Subject | Re: [PATCH 2/5] x86: c_p_a clflush_cache_range fix | | Date | Thu, 31 Jan 2008 08:40:25 +0100 |
On Thursday 31 January 2008 08:36:02 Huang, Ying wrote:
> 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 providing a default
> clflush_size of 64. But the better method may be providing a
> early_identify_cpu() for i386.
There already is one. arch/x86/kernel/cpu/common.c:early_cpu_detect
Just set it to 64 there.
-Andi
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