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Commit c6837205 authored by Tengfei Fan's avatar Tengfei Fan
Browse files

smp: add minidump support for arm 



Add minidump support for arm.

Change-Id: I209967be35675c3be5ff2afbffdb725878fc96dc
Signed-off-by: default avatarTengfei Fan <tengfeif@codeaurora.org>
parent dd72f36c

arch/arm/kernel/smp.c

+4 −2
Original line number Diff line number Diff line
@@ -51,6 +51,7 @@ 
#include <asm/virt.h>

#include <asm/mach/arch.h>

#include <asm/mpu.h>

#include <soc/qcom/minidump.h>



#define CREATE_TRACE_POINTS

#include <trace/events/ipi.h>
@@ -607,12 +608,13 @@ static DEFINE_RAW_SPINLOCK(stop_lock); 
/*

 * ipi_cpu_stop - handle IPI from smp_send_stop()

 */

static void ipi_cpu_stop(unsigned int cpu)

static void ipi_cpu_stop(unsigned int cpu, struct pt_regs *regs)

{

	if (system_state <= SYSTEM_RUNNING) {

		raw_spin_lock(&stop_lock);

		pr_crit("CPU%u: stopping\n", cpu);

		dump_stack();

		dump_stack_minidump(regs->uregs[13]);

		raw_spin_unlock(&stop_lock);

	}
@@ -682,7 +684,7 @@ void handle_IPI(int ipinr, struct pt_regs *regs) 


	case IPI_CPU_STOP:

		irq_enter();

		ipi_cpu_stop(cpu);

		ipi_cpu_stop(cpu, regs);

		irq_exit();

		break;