powerpc: Initialize LPCR:DPFD on power7 to a sane default

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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>

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Benjamin Herrenschmidt 2011-01-24 13:25:55 +11:00

parent 673b189a2e

commit 895796a8ab

1 changed files with 7 additions and 0 deletions

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arch/powerpc/kernel/cpu_setup_power7.S

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