| From 0534b5edd8981355c1e8cdfb899473cf7adfaaba Mon Sep 17 00:00:00 2001 |
| From: Max Filippov <jcmvbkbc@gmail.com> |
| Date: Sat, 19 Jan 2019 00:26:48 -0800 |
| Subject: xtensa: SMP: mark each possible CPU as present |
| |
| [ Upstream commit 8b1c42cdd7181200dc1fff39dcb6ac1a3fac2c25 ] |
| |
| Otherwise it is impossible to enable CPUs after booting with 'maxcpus' |
| parameter. |
| |
| Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| arch/xtensa/kernel/smp.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c |
| index c9fc2c4f71b3..80be6449c497 100644 |
| --- a/arch/xtensa/kernel/smp.c |
| +++ b/arch/xtensa/kernel/smp.c |
| @@ -83,7 +83,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) |
| { |
| unsigned i; |
| |
| - for (i = 0; i < max_cpus; ++i) |
| + for_each_possible_cpu(i) |
| set_cpu_present(i, true); |
| } |
| |
| -- |
| 2.19.1 |
| |
