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-rw-r--r--kernel/kexec.c13
-rw-r--r--kernel/panic.c2
2 files changed, 12 insertions, 3 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c
index a0411b3bd54..277f22afe74 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -18,6 +18,8 @@
#include <linux/reboot.h>
#include <linux/syscalls.h>
#include <linux/ioport.h>
+#include <linux/hardirq.h>
+
#include <asm/page.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -32,6 +34,13 @@ struct resource crashk_res = {
.flags = IORESOURCE_BUSY | IORESOURCE_MEM
};
+int kexec_should_crash(struct task_struct *p)
+{
+ if (in_interrupt() || !p->pid || p->pid == 1 || panic_on_oops)
+ return 1;
+ return 0;
+}
+
/*
* When kexec transitions to the new kernel there is a one-to-one
* mapping between physical and virtual addresses. On processors
@@ -1010,7 +1019,7 @@ asmlinkage long compat_sys_kexec_load(unsigned long entry,
}
#endif
-void crash_kexec(void)
+void crash_kexec(struct pt_regs *regs)
{
struct kimage *image;
int locked;
@@ -1028,7 +1037,7 @@ void crash_kexec(void)
if (!locked) {
image = xchg(&kexec_crash_image, NULL);
if (image) {
- machine_crash_shutdown();
+ machine_crash_shutdown(regs);
machine_kexec(image);
}
xchg(&kexec_lock, 0);
diff --git a/kernel/panic.c b/kernel/panic.c
index 66f43d33cd8..74ba5f3e46c 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -83,7 +83,7 @@ NORET_TYPE void panic(const char * fmt, ...)
* everything else.
* Do we want to call this before we try to display a message?
*/
- crash_kexec();
+ crash_kexec(NULL);
#ifdef CONFIG_SMP
/*