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authorThomas Bogendoerfer <tbogendoerfer@suse.de>2019-02-19 16:57:19 +0100
committerPaul Burton <paul.burton@mips.com>2019-02-19 12:46:03 -0800
commit2c8656204742a5e2d373972b139d0cc26ae93ff0 (patch)
tree19c012111497259131f9dfe646617ceb6a0cb006 /arch/mips/kernel/smp.c
parent9707b7e6394216f5c56c30a56c38bffec4c0474d (diff)
MIPS: SGI-IP27: do boot CPU init later
To make use of per_cpu variables in interrupt code per_cpu_init() must be done after setup_per_cpu_areas(). This is achieved by calling it in smp_prepare_boot_cpu() via a new smp_ops method. Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'arch/mips/kernel/smp.c')
-rw-r--r--arch/mips/kernel/smp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 6fd9e94fc87e..bc4bb3c6bd00 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -444,6 +444,8 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
/* preload SMP state for boot cpu */
void smp_prepare_boot_cpu(void)
{
+ if (mp_ops->prepare_boot_cpu)
+ mp_ops->prepare_boot_cpu();
set_cpu_possible(0, true);
set_cpu_online(0, true);
}