projects / thirdparty / kernel / stable-queue.git / blame
| Commit | Line | Data |
|---|---|---|
| 1981af9d SL |
1 | From 4ddd1118c527ed190f71dc19440545dd8e9438dc Mon Sep 17 00:00:00 2001 |
| 2 | From: Max Filippov <jcmvbkbc@gmail.com> | |
| 3 | Date: Sat, 19 Jan 2019 00:26:48 -0800 | |
| 4 | Subject: xtensa: SMP: mark each possible CPU as present | |
| 5 | ||
| 6 | [ Upstream commit 8b1c42cdd7181200dc1fff39dcb6ac1a3fac2c25 ] | |
| 7 | ||
| 8 | Otherwise it is impossible to enable CPUs after booting with 'maxcpus' | |
| 9 | parameter. | |
| 10 | ||
| 11 | Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> | |
| 12 | Signed-off-by: Sasha Levin <sashal@kernel.org> | |
| 13 | --- | |
| 14 | arch/xtensa/kernel/smp.c | 2 +- | |
| 15 | 1 file changed, 1 insertion(+), 1 deletion(-) | |
| 16 | ||
| 17 | diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c | |
| 18 | index 545144d1431d..0e34c1ed4aa8 100644 | |
| 19 | --- a/arch/xtensa/kernel/smp.c | |
| 20 | +++ b/arch/xtensa/kernel/smp.c | |
| 21 | @@ -80,7 +80,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) | |
| 22 | { | |
| 23 | unsigned i; | |
| 24 | ||
| 25 | - for (i = 0; i < max_cpus; ++i) | |
| 26 | + for_each_possible_cpu(i) | |
| 27 | set_cpu_present(i, true); | |
| 28 | } | |
| 29 | ||
| 30 | -- | |
| 31 | 2.19.1 | |
| 32 |