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| author | Paul Burton <paul.burton@imgtec.com> | 2017-08-13 04:49:40 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2017-08-30 00:57:27 +0200 |
| commit | d595d423d06071bd7a4892c3c2f16bfe1d5b3a85 (patch) | |
| tree | babe4bf15082b7528e8c316dc0ec8630b0e24df9 /arch/mips/netlogic | |
| parent | MIPS: CM: Add cluster & block args to mips_cm_lock_other() (diff) | |
| download | linux-d595d423d06071bd7a4892c3c2f16bfe1d5b3a85.tar.xz linux-d595d423d06071bd7a4892c3c2f16bfe1d5b3a85.zip | |
MIPS: SMP: Allow boot_secondary SMP op to return errors
Allow the boot_secondary SMP op to return an error to __cpu_up(), which
will in turn return it to its caller.
This will allow SMP implementations to return errors quickly in cases
they they know have failed, rather than relying upon __cpu_up()
eventually timing out waiting for the cpu_running completion.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17014/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/netlogic')
| -rw-r--r-- | arch/mips/netlogic/common/smp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c index 615027863f54..39a300bd6cc2 100644 --- a/arch/mips/netlogic/common/smp.c +++ b/arch/mips/netlogic/common/smp.c @@ -147,7 +147,7 @@ unsigned long nlm_next_gp; unsigned long nlm_next_sp; static cpumask_t phys_cpu_present_mask; -void nlm_boot_secondary(int logical_cpu, struct task_struct *idle) +int nlm_boot_secondary(int logical_cpu, struct task_struct *idle) { uint64_t picbase; int hwtid; @@ -161,6 +161,8 @@ void nlm_boot_secondary(int logical_cpu, struct task_struct *idle) /* barrier for sp/gp store above */ __sync(); nlm_pic_send_ipi(picbase, hwtid, 1, 1); /* NMI */ + + return 0; } void __init nlm_smp_setup(void) |