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x86: single_step segment macros 

This cleans up the single-step code to use the asm/segment.h macros
for segment selector magic bits, rather than its own constant.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Roland McGrath 2008-01-30 13:30:50 +01:00 committed by Ingo Molnar
parent fa1e03eae2
commit 3f80c1adc9
1 changed files with 1 additions and 3 deletions
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4
arch/x86/kernel/step.c
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@ -5,8 +5,6 @@
#include <linux/mm.h>
#include <linux/ptrace.h>
#define LDT_SEGMENT 4
unsigned long convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs)
{
unsigned long addr, seg;
@ -20,7 +18,7 @@ unsigned long convert_rip_to_linear(struct task_struct *child, struct pt_regs *r
* TLS segments are used for data, and the PNPBIOS
* and APM bios ones we just ignore here.
*/
if (seg & LDT_SEGMENT) {
if ((seg & SEGMENT_TI_MASK) == SEGMENT_LDT) {
u32 *desc;
unsigned long base;