lkml.org 
[lkml]   [2020]   [Nov]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subject[PATCH tip/core/rcu 0/2] smp_call_function updates for v5.11
Hello!

This series prevents /proc/cpuinfo from piling up quite so many redundant
IPIs, and also avoids IPIing idle CPUs.

1. Avoid cpuinfo-induced IPI pileups.

2. Avoid cpuinfo-induced IPIing of idle CPUs.

Thanx, Paul

------------------------------------------------------------------------

arch/x86/kernel/cpu/aperfmperf.c | 16 +++++++++++++++-
include/linux/rcutiny.h | 2 ++
include/linux/rcutree.h | 1 +
kernel/rcu/tree.c | 8 ++++++++
4 files changed, 26 insertions(+), 1 deletion(-)

\
 
 \ /
  Last update: 2020-11-06 00:01    [W:0.031 / U:0.588 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site