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ftrace: support for PowerPC

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This patch adds full support for ftrace for PowerPC (both 64 and 32 bit).
This includes dynamic tracing and function filtering.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Steven Rostedt
2008-05-14 23:49:44 -04:00
committed by Thomas Gleixner
parent e0eca07bad
commit 4e491d14f2
11 changed files with 405 additions and 10 deletions
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6
arch/powerpc/kernel/irq.c
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@@ -98,7 +98,7 @@ EXPORT_SYMBOL(irq_desc);
int distribute_irqs = 1;
static inline unsigned long get_hard_enabled(void)
static inline notrace unsigned long get_hard_enabled(void)
{
unsigned long enabled;
@@ -108,13 +108,13 @@ static inline unsigned long get_hard_enabled(void)
return enabled;
}
static inline void set_soft_enabled(unsigned long enable)
static inline notrace void set_soft_enabled(unsigned long enable)
{
__asm__ __volatile__("stb %0,%1(13)"
: : "r" (enable), "i" (offsetof(struct paca_struct, soft_enabled)));
}
void raw_local_irq_restore(unsigned long en)
notrace void raw_local_irq_restore(unsigned long en)
{
/*
* get_paca()->soft_enabled = en;