public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

parisc: disable preemption in send_IPI_allbutself()

Browse source 
Otherwise we might not stop all other CPUs.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Sven Schnelle 2021-10-09 20:24:38 +02:00 • committed by Helge Deller
parent 3fb28e199d
commit 1c2fb946cd
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
arch/parisc/kernel/smp.c
View file

@ -219,11 +219,13 @@ static inline void
send_IPI_allbutself(enum ipi_message_type op) send_IPI_allbutself(enum ipi_message_type op)
{ {
int i; int i;
preempt_disable();
for_each_online_cpu(i) { for_each_online_cpu(i) {
if (i != smp_processor_id()) if (i != smp_processor_id())
send_IPI_single(i, op); send_IPI_single(i, op);
} }
preempt_enable();
} }