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ARM: place C irq handlers in IRQ_ENTRY for ftrace

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When FUNCTION_GRAPH_TRACER is enabled, place do_IRQ() and friends in the
IRQ_ENTRY section so that the irq-related features of the function graph
tracer work.

Signed-off-by: Rabin Vincent <rabin@rab.in>
This commit is contained in:
Rabin Vincent
2010-10-07 20:51:58 +05:30
parent ec763f0de8
commit 61b5cb1c3b
5 changed files with 33 additions and 5 deletions
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5
arch/arm/kernel/smp.c
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@ -16,6 +16,7 @@
#include <linux/cache.h>
#include <linux/profile.h>
#include <linux/errno.h>
#include <linux/ftrace.h>
#include <linux/mm.h>
#include <linux/err.h>
#include <linux/cpu.h>
@ -457,7 +458,7 @@ static void ipi_timer(void)
}
#ifdef CONFIG_LOCAL_TIMERS
asmlinkage void __exception do_local_timer(struct pt_regs *regs)
asmlinkage void __exception_irq_entry do_local_timer(struct pt_regs *regs)
{
struct pt_regs *old_regs = set_irq_regs(regs);
int cpu = smp_processor_id();
@ -544,7 +545,7 @@ static void ipi_cpu_stop(unsigned int cpu)
*
* Bit 0 - Inter-processor function call
*/
asmlinkage void __exception do_IPI(struct pt_regs *regs)
asmlinkage void __exception_irq_entry do_IPI(struct pt_regs *regs)
{
unsigned int cpu = smp_processor_id();
struct ipi_data *ipi = &per_cpu(ipi_data, cpu);