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authorRichard Purdie <rpurdie@rpsys.net>2006-12-30 16:08:50 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-12-30 17:05:08 +0000
commit1c9d3df5e88ad7db23f5b22f4341c39722a904a4 (patch)
treedbabefd52a5f8a5f35216bda33f29e4b9b398569 /arch/arm/vfp
parentb0b1d60a64054697ef828e0565f006cc0f823590 (diff)
[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>
Diffstat (limited to 'arch/arm/vfp')
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