tree dbabefd52a5f8a5f35216bda33f29e4b9b398569
parent b0b1d60a64054697ef828e0565f006cc0f823590
author Richard Purdie <rpurdie@rpsys.net> 1167491330 +0100
committer Russell King <rmk+kernel@arm.linux.org.uk> 1167498308 +0000

[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>