diff options
Diffstat (limited to 'arch/sparc64/kernel/smp.c')
| -rw-r--r-- | arch/sparc64/kernel/smp.c | 38 |
1 files changed, 15 insertions, 23 deletions
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 409dd71f273..0d6403a630a 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -38,7 +38,6 @@ #include <asm/pgtable.h> #include <asm/oplib.h> #include <asm/uaccess.h> -#include <asm/timer.h> #include <asm/starfire.h> #include <asm/tlb.h> #include <asm/sections.h> @@ -866,21 +865,14 @@ void smp_call_function_client(int irq, struct pt_regs *regs) void *info = call_data->info; clear_softint(1 << irq); - - irq_enter(); - - if (!call_data->wait) { - /* let initiator proceed after getting data */ - atomic_inc(&call_data->finished); - } - - func(info); - - irq_exit(); - if (call_data->wait) { /* let initiator proceed only after completion */ + func(info); atomic_inc(&call_data->finished); + } else { + /* let initiator proceed after getting data */ + atomic_inc(&call_data->finished); + func(info); } } @@ -910,6 +902,9 @@ extern unsigned long xcall_flush_tlb_kernel_range; extern unsigned long xcall_report_regs; extern unsigned long xcall_receive_signal; extern unsigned long xcall_new_mmu_context_version; +#ifdef CONFIG_KGDB +extern unsigned long xcall_kgdb_capture; +#endif #ifdef DCACHE_ALIASING_POSSIBLE extern unsigned long xcall_flush_dcache_page_cheetah; @@ -1039,9 +1034,7 @@ void smp_receive_signal(int cpu) void smp_receive_signal_client(int irq, struct pt_regs *regs) { - irq_enter(); clear_softint(1 << irq); - irq_exit(); } void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs) @@ -1049,8 +1042,6 @@ void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs) struct mm_struct *mm; unsigned long flags; - irq_enter(); - clear_softint(1 << irq); /* See if we need to allocate a new TLB context because @@ -1070,8 +1061,6 @@ void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs) load_secondary_context(mm); __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT); - - irq_exit(); } void smp_new_mmu_context_version(void) @@ -1079,6 +1068,13 @@ void smp_new_mmu_context_version(void) smp_cross_call(&xcall_new_mmu_context_version, 0, 0, 0); } +#ifdef CONFIG_KGDB +void kgdb_roundup_cpus(unsigned long flags) +{ + smp_cross_call(&xcall_kgdb_capture, 0, 0, 0); +} +#endif + void smp_report_regs(void) { smp_cross_call(&xcall_report_regs, 0, 0, 0); @@ -1230,8 +1226,6 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs) { clear_softint(1 << irq); - irq_enter(); - preempt_disable(); __asm__ __volatile__("flushw"); @@ -1244,8 +1238,6 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs) prom_world(0); preempt_enable(); - - irq_exit(); } /* /proc/profile writes can call this, don't __init it please. */ |