irq/matrix: Split out the CPU selection code into a helper

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Linux finds the CPU which has the lowest vector allocation count to spread
out the non managed interrupts across the possible target CPUs, but does
not do so for managed interrupts.

Split out the CPU selection code into a helper function for reuse. No
functional change.

Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: hpa@zytor.com
Link: https://lkml.kernel.org/r/20180908175838.14450-1-dou_liyang@163.com

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Dou Liyang 2018-09-09 01:58:37 +08:00 • committed by Thomas Gleixner

parent 7876320f88

commit 8ffe4e61c0

1 changed files with 38 additions and 27 deletions

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kernel/irq/matrix.c

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