x86: dumpstack: Clean up the x86_stack_ids[][] initalization and other details
Make the initialization more readable, plus tidy up a few small
visual details as well.
No change in functionality.
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index a071e6b..cfec478 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -10,26 +10,28 @@
#include <linux/module.h>
#include <linux/ptrace.h>
#include <linux/kexec.h>
+#include <linux/sysfs.h>
#include <linux/bug.h>
#include <linux/nmi.h>
-#include <linux/sysfs.h>
#include <asm/stacktrace.h>
#include "dumpstack.h"
+#define N_EXCEPTION_STACKS_END \
+ (N_EXCEPTION_STACKS + DEBUG_STKSZ/EXCEPTION_STKSZ - 2)
static char x86_stack_ids[][8] = {
- [DEBUG_STACK - 1] = "#DB",
- [NMI_STACK - 1] = "NMI",
- [DOUBLEFAULT_STACK - 1] = "#DF",
- [STACKFAULT_STACK - 1] = "#SS",
- [MCE_STACK - 1] = "#MC",
+ [ DEBUG_STACK-1 ] = "#DB",
+ [ NMI_STACK-1 ] = "NMI",
+ [ DOUBLEFAULT_STACK-1 ] = "#DF",
+ [ STACKFAULT_STACK-1 ] = "#SS",
+ [ MCE_STACK-1 ] = "#MC",
#if DEBUG_STKSZ > EXCEPTION_STKSZ
- [N_EXCEPTION_STACKS ...
- N_EXCEPTION_STACKS + DEBUG_STKSZ / EXCEPTION_STKSZ - 2] = "#DB[?]"
+ [ N_EXCEPTION_STACKS ...
+ N_EXCEPTION_STACKS_END ] = "#DB[?]"
#endif
- };
+};
int x86_is_stack_id(int id, char *name)
{
@@ -37,7 +39,7 @@
}
static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
- unsigned *usedp, char **idp)
+ unsigned *usedp, char **idp)
{
unsigned k;
@@ -202,7 +204,7 @@
void
show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs,
- unsigned long *sp, unsigned long bp, char *log_lvl)
+ unsigned long *sp, unsigned long bp, char *log_lvl)
{
unsigned long *stack;
int i;
@@ -303,4 +305,3 @@
return ud2 == 0x0b0f;
}
-