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| author | Dimitri Sivanich <sivanich@sgi.com> | 2010-01-22 09:41:40 -0600 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-01-27 11:33:53 +0100 |
| commit | aca3bb5910119d4cf6c28568a642582efb4cc14a (patch) | |
| tree | a6a14bbb8a9ae4b469b506d1c611c41637e311ce /arch/x86/kernel/reboot.c | |
| parent | e0b5f80dd4226a920257c91a3b9070e81149060b (diff) | |
| download | op-kernel-dev-aca3bb5910119d4cf6c28568a642582efb4cc14a.zip op-kernel-dev-aca3bb5910119d4cf6c28568a642582efb4cc14a.tar.gz | |
x86, UV: Fix RTC latency bug by reading replicated cachelines
For SGI UV node controllers (HUB) rev 2.0 or greater, use
replicated cachelines to read the RTC timer. This optimization
allows faster simulataneous reads from a given socket.
Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Jack Steiner <steiner@sgi.com>
LKML-Reference: <20100122154140.GB4975@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/reboot.c')
0 files changed, 0 insertions, 0 deletions
