From 8aa989b8fba1428b50a1be771c01285f1de0227b Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Tue, 27 Jan 2015 16:48:03 +1100 Subject: powerpc: Remove some unused functions Remove slice_set_psize() which is not used. It was added in 3a8247cc2c85 "powerpc: Only demote individual slices rather than whole process" but was never used. Remove vsx_assist_exception() which is not used. It was added in ce48b2100785 "powerpc: Add VSX context save/restore, ptrace and signal support" but was never used. Remove generic_mach_cpu_die() which is not used. Its last caller was removed in 375f561a4131 "powerpc/powernv: Always go into nap mode when CPU is offline". Remove mpc7448_hpc2_power_off() and mpc7448_hpc2_halt() which are unused. These were introduced in c5d56332fd6c "[POWERPC] Add general support for mpc7448hpc2 (Taiga) platform" but were never used. This was partially found by using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist [mpe: Update changelog with details on when/why they are unused] Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/smp.c | 14 -------------- 1 file changed, 14 deletions(-) (limited to 'arch/powerpc/kernel/smp.c') diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 8ec017cb4446..1cc4bdce19f3 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -434,20 +434,6 @@ void generic_cpu_die(unsigned int cpu) printk(KERN_ERR "CPU%d didn't die...\n", cpu); } -void generic_mach_cpu_die(void) -{ - unsigned int cpu; - - local_irq_disable(); - idle_task_exit(); - cpu = smp_processor_id(); - printk(KERN_DEBUG "CPU%d offline\n", cpu); - __this_cpu_write(cpu_state, CPU_DEAD); - smp_wmb(); - while (__this_cpu_read(cpu_state) != CPU_UP_PREPARE) - cpu_relax(); -} - void generic_set_cpu_dead(unsigned int cpu) { per_cpu(cpu_state, cpu) = CPU_DEAD; -- cgit v1.2.3-55-g7522