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linux/include/asm-arm/cacheflush.h
Richard Purdie 1c9d3df5e8 [ARM] 4078/1: Fix ARM copypage cache coherency problems 
If PG_dcache_dirty is set for a page, we need to flush the source page
before performing any copypage operation using a different virtual address.

This fixes the copypage implementations for XScale, StrongARM and ARMv6.

This patch fixes segmentation faults seen in the dynamic linker under
the usage patterns in glibc 2.4/2.5.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-30 17:05:08 +00:00

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