[MIPS] Do not use drop_mmu_context to flusing other task's VIPT I-cache.

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c-r4k.c and c-sb1.c use drop_mmu_context() to flush virtually tagged
I-caches, but this does not work for flushing other task's icache.  This
is for example triggered by copy_to_user_page() called from ptrace(2).
Use indexed flush for such cases.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

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Atsushi Nemoto 2006-08-25 17:55:31 +09:00 • committed by Ralf Baechle

parent a94d702049

commit f6502791d7

2 changed files with 33 additions and 27 deletions

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4

arch/mips/mm/c-r4k.c

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56

arch/mips/mm/c-sb1.c

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