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Subject[PATCH AUTOSEL 4.20 28/72] xtensa: SMP: mark each possible CPU as present
Date
From: Max Filippov <jcmvbkbc@gmail.com>

[ 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 c9fc2c4f71b3b..80be6449c497e 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
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