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authorRobin Holt <holt@sgi.com>2012-08-22 03:16:02 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-08-22 03:45:03 +0400
commit7838f994b4fceff24c343f4e26a6cf4393869579 (patch)
tree42f62833ebc44bf8160aaa7ee95f83e2d883983c /mm
parentc3a5ce0416b6c172a23bc8a3760d8704d3d1535b (diff)
downloadlinux-7838f994b4fceff24c343f4e26a6cf4393869579.tar.xz
drivers/misc/sgi-xp/xpc_uv.c: SGI XPC fails to load when cpu 0 is out of IRQ resources
On many of our larger systems, CPU 0 has had all of its IRQ resources consumed before XPC loads. Worst cases on machines with multiple 10 GigE cards and multiple IB cards have depleted the entire first socket of IRQs. This patch makes selecting the node upon which IRQs are allocated (as well as all the other GRU Message Queue structures) specifiable as a module load param and has a default behavior of searching all nodes/cpus for an available resources. [akpm@linux-foundation.org: fix build: include cpu.h and module.h] Signed-off-by: Robin Holt <holt@sgi.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
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