Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / powerpc / kernel / machine_kexec.c

diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index df7e20c191cda3190c1396bc60921bd8c8df003f..a5f8672eeff37d593c219ac7ac68a6296587b7f4 100644 (file)
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -15,6 +15,7 @@
 #include <linux/memblock.h>
 #include <linux/of.h>
 #include <linux/irq.h>
+#include <linux/ftrace.h>
 
 #include <asm/machdep.h>
 #include <asm/prom.h>
@@ -44,10 +45,7 @@ void machine_kexec_mask_interrupts(void) {
 
 void machine_crash_shutdown(struct pt_regs *regs)
 {
-       if (ppc_md.machine_crash_shutdown)
-               ppc_md.machine_crash_shutdown(regs);
-       else
-               default_machine_crash_shutdown(regs);
+       default_machine_crash_shutdown(regs);
 }
 
 /*
@@ -65,8 +63,6 @@ int machine_kexec_prepare(struct kimage *image)
 
 void machine_kexec_cleanup(struct kimage *image)
 {
-       if (ppc_md.machine_kexec_cleanup)
-               ppc_md.machine_kexec_cleanup(image);
 }
 
 void arch_crash_save_vmcoreinfo(void)
@@ -87,11 +83,17 @@ void arch_crash_save_vmcoreinfo(void)
  */
 void machine_kexec(struct kimage *image)
 {
+       int save_ftrace_enabled;
+
+       save_ftrace_enabled = __ftrace_enabled_save();
+
        if (ppc_md.machine_kexec)
                ppc_md.machine_kexec(image);
        else
                default_machine_kexec(image);
 
+       __ftrace_enabled_restore(save_ftrace_enabled);
+
        /* Fall back to normal restart if we're still alive. */
        machine_restart(NULL);
        for(;;);