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| author | David S. Miller <davem@davemloft.net> | 2008-07-30 22:35:00 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-30 22:35:00 -0700 |
| commit | 09ee167cbf3b7390c993c6699ce9fa84e55422bf (patch) | |
| tree | fc2668ee152a8d97bce36c37cce578cbab9b1698 /arch | |
| parent | 5afe27380bc42454254c9c83c045240249c15e35 (diff) | |
| download | linux-09ee167cbf3b7390c993c6699ce9fa84e55422bf.tar.bz2 | |
sparc64: Hook up trigger_all_cpu_backtrace().
We already have code that does this, but it is only currently attached
to sysrq-'y'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/include/asm/irq_64.h | 3 | ||||
| -rw-r--r-- | arch/sparc64/kernel/process.c | 10 |
2 files changed, 11 insertions, 2 deletions
diff --git a/arch/sparc/include/asm/irq_64.h b/arch/sparc/include/asm/irq_64.h index 0bb9bf531745..3473e25231d9 100644 --- a/arch/sparc/include/asm/irq_64.h +++ b/arch/sparc/include/asm/irq_64.h @@ -90,4 +90,7 @@ static inline unsigned long get_softint(void) return retval; } +void __trigger_all_cpu_backtrace(void); +#define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace() + #endif diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c index fc8137a21ced..e1eff41809cc 100644 --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c @@ -300,7 +300,6 @@ void show_regs(struct pt_regs *regs) #endif } -#ifdef CONFIG_MAGIC_SYSRQ struct global_reg_snapshot global_reg_snapshot[NR_CPUS]; static DEFINE_SPINLOCK(global_reg_snapshot_lock); @@ -362,7 +361,7 @@ static void __global_reg_poll(struct global_reg_snapshot *gp) } } -static void sysrq_handle_globreg(int key, struct tty_struct *tty) +void __trigger_all_cpu_backtrace(void) { struct thread_info *tp = current_thread_info(); struct pt_regs *regs = get_irq_regs(); @@ -412,6 +411,13 @@ static void sysrq_handle_globreg(int key, struct tty_struct *tty) spin_unlock_irqrestore(&global_reg_snapshot_lock, flags); } +#ifdef CONFIG_MAGIC_SYSRQ + +static void sysrq_handle_globreg(int key, struct tty_struct *tty) +{ + __trigger_all_cpu_backtrace(); +} + static struct sysrq_key_op sparc_globalreg_op = { .handler = sysrq_handle_globreg, .help_msg = "Globalregs", |