| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.18 061/134] xtensa: SMP: mark each possible CPU as present | Date | Fri, 22 Mar 2019 12:14:34 +0100 |
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3.18-stable review patch. If anyone has any objections, please let me know.
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[ 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 545144d1431d..0e34c1ed4aa8 100644 --- a/arch/xtensa/kernel/smp.c +++ b/arch/xtensa/kernel/smp.c @@ -80,7 +80,7 @@ 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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