Unverified Commit 7f3de1ad authored by Jisheng Zhang's avatar Jisheng Zhang Committed by Palmer Dabbelt
Browse files

riscv: remove cpu_stop() 



Except arch_cpu_idle_dead(), no users of this function. So remove
cpu_stop() and fold its code into arch_cpu_idle_dead().

Signed-off-by: default avatarJisheng Zhang <jszhang@kernel.org>
Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent decf89f8

arch/riscv/include/asm/smp.h

+0 −2
Original line number Diff line number Diff line
@@ -63,8 +63,6 @@ asmlinkage void smp_callin(void); 
#if defined CONFIG_HOTPLUG_CPU

int __cpu_disable(void);

void __cpu_die(unsigned int cpu);

void cpu_stop(void);

#else

#endif /* CONFIG_HOTPLUG_CPU */



#else

arch/riscv/kernel/cpu-hotplug.c

+1 −7
Original line number Diff line number Diff line
@@ -14,12 +14,6 @@ 
#include <asm/cpu_ops.h>

#include <asm/sbi.h>



void cpu_stop(void);

void arch_cpu_idle_dead(void)

{

	cpu_stop();

}



bool cpu_has_hotplug(unsigned int cpu)

{

	if (cpu_ops[cpu]->cpu_stop)
@@ -75,7 +69,7 @@ void __cpu_die(unsigned int cpu) 
/*

 * Called from the idle thread for the CPU which has been shutdown.

 */

void cpu_stop(void)

void arch_cpu_idle_dead(void)

{

	idle_task_exit();