cachepolicy on arm UP/SMP
bill_carson at 126.com
Fri Apr 1 23:59:14 EDT 2011
I am a little confused about arm cachepolicy for UP/SMP.
for UP , default cache policy is CPOLICY_WRITEBACK;
while for SMP, cache policy is overrided with WRITEALLOC.
why does SMP cannot use WRITEBACK?
It is about coherency issue?
Please give me some tips.
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