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authorJames Bottomley <jejb@parisc-linux.org>2006-08-23 09:00:04 -0700
committerMatthew Wilcox <willy@parisc-linux.org>2006-10-04 06:46:21 -0600
commit20f4d3cb9b94ce3fec9a6135b9ad075b82b24f41 (patch)
tree995dec90d251e8e57abca8fea552d8ae5314a493 /sound
parente45da35e180a4fc91307648d021a598495742c32 (diff)
[PARISC] parisc specific kmap API implementation for pa8800
This patch fixes the pa8800 at a gross level (there are still other subtle incoherency issues which can still cause crashes and HPMCs). What it does is try to force eject inequivalent aliases before they become visible to the L2 cache (which is where we get the incoherence problems). A new function (parisc_requires_coherency) is introduced in asm/processor.h to identify the pa8x00 processors (8800 and 8900) which have the issue. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'sound')
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