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(parent: d2374ae) | patch
x86: SGI UV: Add volatile semantics to macros that access chipset registers
authorJack Steiner <steiner@sgi.com>
Thu, 10 Sep 2009 14:31:49 +0000 (09:31 -0500)
committerIngo Molnar <mingo@elte.hu>
Fri, 18 Sep 2009 12:05:32 +0000 (14:05 +0200)
commit8dc579e868addafd24c0a015c12f0e536b1084b1
treee209a705c0637e773a7534df8d386415aca8f5f6tree | snapshot
parentd2374aecda3f6c9b0d13287027132a37311da300commit | diff
x86: SGI UV: Add volatile semantics to macros that access chipset registers

Add volatile-semantics to the SGI UV read/write macros that are
used to access chipset memory mapped registers. No direct
references to volatile are made. Instead the readq/writeq macros
are used.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Cc: linux-mm@kvack.org
Cc: dwalker@fifo99.com
Cc: cfriesen@nortel.com
LKML-Reference: <20090910143149.GA14273@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/include/asm/uv/uv_hub.h diff | blob | history
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