x86, UV: Add common uv_early_read_mmr() function for reading MMRs

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Early in boot, reading MMRs from the UV hub controller require
calls to early_ioremap()/early_iounmap().  Rather than
duplicating code, add a common function to do the
map/read/unmap.

Signed-off-by: Jack Steiner <steiner@sgi.com>
LKML-Reference: <20101130195926.834804371@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

...

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Jack Steiner 2010-11-30 13:55:39 -06:00 • committed by Ingo Molnar

parent 90a8a73c06

commit e681041388

1 changed files with 14 additions and 16 deletions

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arch/x86/kernel/apic/x2apic_uv_x.c

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