Cliff Wickman 50fb55acc5 x86, UV: Disable BAU on network congestion ... The numalink network can become so congested that TLB shootdown using the Broadcast Assist Unit becomes slower than using IPI's. In that case, disable the use of the BAU for a period of time. The period is tunable. When the period expires the use of the BAU is re-enabled. A count of these actions is added to the statistics file. Signed-off-by: Cliff Wickman <cpw@sgi.com> Cc: gregkh@suse.de LKML-Reference: <E1OJvNy-0004a4-0a@eag09.americas.sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>		2010-06-08 21:13:45 +02:00
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asm	x86, UV: Disable BAU on network congestion	2010-06-08 21:13:45 +02:00