From c83c2eed67e578576acf08611bfb630bd199714b Mon Sep 17 00:00:00 2001 From: Marcin Nowakowski Date: Fri, 2 Dec 2016 09:58:28 +0100 Subject: MIPS: kexec: remove SMP_DUMP SMP_DUMP has been added as a new IPI signal when kexec support was added for Cavium Octeon CPUs ('commit 7aa1c8f47e7e ("MIPS: kdump: Add support")'. However, the new signal doesn't appear to ever have a proper handler added (octeon_message_functions[] array has an empty handler for it), and generic IPI handlers now trigger a BUG() on unhandled signal. As the method is unused remove it completely and replace its only invocation with a smp_call_function(). [ralf@linux-mips.org: Renumber SMP_ASK_C0COUNT to avoid numbering gaps.] Signed-off-by: Marcin Nowakowski Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14630/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/smp.c | 17 ----------------- 1 file changed, 17 deletions(-) (limited to 'arch/mips/kernel/smp.c') diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 0a831f63b0ec..8c60a296294c 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -638,23 +638,6 @@ void flush_tlb_one(unsigned long vaddr) EXPORT_SYMBOL(flush_tlb_page); EXPORT_SYMBOL(flush_tlb_one); -#if defined(CONFIG_KEXEC) -void (*dump_ipi_function_ptr)(void *) = NULL; -void dump_send_ipi(void (*dump_ipi_callback)(void *)) -{ - int i; - int cpu = smp_processor_id(); - - dump_ipi_function_ptr = dump_ipi_callback; - smp_mb(); - for_each_online_cpu(i) - if (i != cpu) - mp_ops->send_ipi_single(i, SMP_DUMP); - -} -EXPORT_SYMBOL(dump_send_ipi); -#endif - #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST static DEFINE_PER_CPU(atomic_t, tick_broadcast_count); -- cgit v1.2.3