Messages in this thread Patch in this message | | | From | Qais Yousef <> | Subject | [PATCH 04/12] ia64: Replace cpu_down with freeze_secondary_cpus | Date | Wed, 30 Oct 2019 15:38:29 +0000 |
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Use freeze_secondary_cpus() instead of open coding using cpu_down() directly.
This also prepares to make cpu_up/down a private interface for anything but the cpu subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com> CC: Tony Luck <tony.luck@intel.com> CC: Fenghua Yu <fenghua.yu@intel.com> CC: linux-ia64@vger.kernel.org CC: linux-kernel@vger.kernel.org --- arch/ia64/kernel/process.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 968b5f33e725..70b433eafa5c 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -647,12 +647,8 @@ cpu_halt (void) void machine_shutdown(void) { #ifdef CONFIG_HOTPLUG_CPU - int cpu; - - for_each_online_cpu(cpu) { - if (cpu != smp_processor_id()) - cpu_down(cpu); - } + /* TODO: Can we use disable_nonboot_cpus()? */ + freeze_secondary_cpus(smp_processor_id()); #endif #ifdef CONFIG_KEXEC kexec_disable_iosapic(); -- 2.17.1
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