On Wed, May 27, 2020 at 07:50:56AM +0000, nobuhiro1.iwamatsu@xxxxxxxxxxxxx wrote: > Hi, > > > -----Original Message----- > > From: stable-owner@xxxxxxxxxxxxxxx [mailto:stable-owner@xxxxxxxxxxxxxxx] On Behalf Of Greg Kroah-Hartman > > Sent: Wednesday, May 27, 2020 3:53 AM > > To: linux-kernel@xxxxxxxxxxxxxxx > > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>; stable@xxxxxxxxxxxxxxx; Peter Zijlstra (Intel) > > <peterz@xxxxxxxxxxxxx>; Lauro Ramos Venancio <lvenanci@xxxxxxxxxx>; Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>; > > Mike Galbraith <efault@xxxxxx>; Rik van Riel <riel@xxxxxxxxxx>; Thomas Gleixner <tglx@xxxxxxxxxxxxx>; > > lwang@xxxxxxxxxx; Ingo Molnar <mingo@xxxxxxxxxx>; Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>; Sasha Levin > > <sashal@xxxxxxxxxx> > > Subject: [PATCH 4.4 26/65] sched/fair, cpumask: Export for_each_cpu_wrap() > > > > From: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > > > > [ Upstream commit c743f0a5c50f2fcbc628526279cfa24f3dabe182 ] > > > > More users for for_each_cpu_wrap() have appeared. Promote the construct > > to generic cpumask interface. > > > > The implementation is slightly modified to reduce arguments. > > > > Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> > > Cc: Lauro Ramos Venancio <lvenanci@xxxxxxxxxx> > > Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > > Cc: Mike Galbraith <efault@xxxxxx> > > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > > Cc: Rik van Riel <riel@xxxxxxxxxx> > > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > > Cc: lwang@xxxxxxxxxx > > Link: http://lkml.kernel.org/r/20170414122005.o35me2h5nowqkxbv@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > > Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> > > [dj: include only what's added to the cpumask interface, 4.4 doesn't > > have them in the scheduler] > > Signed-off-by: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx> > > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> > > --- > > include/linux/cpumask.h | 17 +++++++++++++++++ > > lib/cpumask.c | 32 ++++++++++++++++++++++++++++++++ > > 2 files changed, 49 insertions(+) > > This commit also needs the following commits: > > commit d207af2eab3f8668b95ad02b21930481c42806fd > Author: Michael Kelley <mhkelley@xxxxxxxxxxx> > Date: Wed Feb 14 02:54:03 2018 +0000 > > cpumask: Make for_each_cpu_wrap() available on UP as well > > for_each_cpu_wrap() was originally added in the #else half of a > large "#if NR_CPUS == 1" statement, but was omitted in the #if > half. This patch adds the missing #if half to prevent compile > errors when NR_CPUS is 1. > > Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx> > Signed-off-by: Michael Kelley <mhkelley@xxxxxxxxxxx> > Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: kys@xxxxxxxxxxxxx > Cc: martin.petersen@xxxxxxxxxx > Cc: mikelley@xxxxxxxxxxxxx > Fixes: c743f0a5c50f ("sched/fair, cpumask: Export for_each_cpu_wrap()") > Link: http://lkml.kernel.org/r/SN6PR1901MB2045F087F59450507D4FCC17CBF50@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> > > Please apply this commit. Good catch, now queued up, thanks. greg k-h