linux/arch/x86/include/asm/uv
Cliff Wickman 90cc7d9449 x86, UV: Remove BAU check for stay-busy
Remove a faulty assumption that a long running BAU request has
encountered a hardware problem and will never finish.

Numalink congestion can make a request appear to have
encountered such a problem, but it is not safe to cancel the
request.  If such a cancel is done but a reply is later received
we can miss a TLB shootdown.

We depend upon the max_bau_concurrent 'throttle' to prevent the
stay-busy case from happening.

Signed-off-by: Cliff Wickman <cpw@sgi.com>
Cc: gregkh@suse.de
LKML-Reference: <E1OJvNy-0004ad-BV@eag09.americas.sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-06-08 21:13:47 +02:00
..
bios.h Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-02-28 11:00:55 -08:00
uv_bau.h x86, UV: Remove BAU check for stay-busy 2010-06-08 21:13:47 +02:00
uv_hub.h x86, UV: uv_irq.c: Fix all sparse warnings 2010-04-17 10:37:20 +02:00
uv_irq.h x86, apic: Move SGI UV functionality out of generic IO-APIC code 2009-10-14 09:17:09 +02:00
uv_mmrs.h x86, UV: Clean up UV headers for MMR definitions 2010-03-11 14:11:26 +01:00
uv.h x86: Enable NMI on all cpus on UV 2010-02-27 12:34:21 +01:00