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>

diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c
index 545144d1431d5e8e2d4c7c18f1181f459ab736e1..0e34c1ed4aa8fddd8da23793df80f7b55ba857ad 100644 (file)
--- 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);
 }