[PATCH AUTOSEL 3.18 08/18] xtensa: SMP: mark each possible CPU as present

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 545144d1431d5..0e34c1ed4aa8f 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); }