Prarit Bhargava fbbb209268 alpha: Send stop IPI to send to online CPUs ... [ Upstream commit caace6ca4e ] This issue was noticed while debugging a shutdown issue where some secondary CPUs are not being shutdown correctly. A fix for that [1] requires that secondary cpus be offlined using the cpu_online_mask so that the stop operation is a no-op if CPU HOTPLUG is disabled. I, like the author in [1] looked at the architectures and found that alpha is one of two architectures that executes smp_send_stop() on all possible CPUs. On alpha, smp_send_stop() sends an IPI to all possible CPUs but only needs to send them to online CPUs. Send the stop IPI to only the online CPUs. [1] https://lkml.org/lkml/2020/1/10/250 Signed-off-by: Prarit Bhargava <prarit@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2021-08-12 13:22:20 +02:00
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boot	alpha: Replace strncmp with str_has_prefix	2020-06-12 17:43:17 -07:00
configs	Char/Misc driver patches for 5.7-rc1	2020-04-03 13:22:40 -07:00
include	local64.h: make <asm/local64.h> mandatory	2021-01-12 20:18:16 +01:00
kernel	alpha: Send stop IPI to send to online CPUs	2021-08-12 13:22:20 +02:00
lib	alpha: propagate the calling convention changes down to csum_partial_copy.c helpers	2020-08-20 15:45:16 -04:00
math-emu	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
mm	mm/alpha: use general page fault accounting	2020-08-12 10:58:03 -07:00
oprofile	smp: Remove smp_call_function() and on_each_cpu() return values	2019-06-23 14:26:26 +02:00
Kconfig	uaccess: add infrastructure for kernel builds with set_fs()	2020-09-08 22:21:32 -04:00
Kconfig.debug	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
Makefile	kconfig: make arch/*/configs/defconfig the default of KBUILD_DEFCONFIG	2019-06-09 15:08:18 +09:00