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(parent: 673b189) | patch
powerpc: Initialize LPCR:DPFD on power7 to a sane default
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 24 Jan 2011 02:25:55 +0000 (13:25 +1100)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 20 Apr 2011 01:03:23 +0000 (11:03 +1000)
commit895796a8ab548fe03b6fea410dcb1b86e1913708
treed25d7c5c284386d21c1f16162d0cfd52fbc154e8tree | snapshot (tar.gz zip)
parent673b189a2e3353061fa8c49515d1014dab6ad9b9commit | diff
powerpc: Initialize LPCR:DPFD on power7 to a sane default

This sets the default data stream prefetch size for operating
systems that don't set their own value in DSCR. We use 4 which
is "medium".

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/cpu_setup_power7.S diff | blob | blame | history