This gets rid of the local constant macro TRAP_FLAG.
It's redundant with the public constant macro X86_EFLAGS_TF.
Signed-off-by: Roland McGrath <roland@redhat.com>
---
arch/x86/kernel/ptrace_32.c | 9 +++------
arch/x86/kernel/ptrace_64.c | 9 +++------
2 files changed, 6 insertions(+), 12 deletions(-)
diff --git a/arch/x86/kernel/ptrace_32.c b/arch/x86/kernel/ptrace_32.c
index 39a94a0..2b4fcb5 100644
--- a/arch/x86/kernel/ptrace_32.c
+++ b/arch/x86/kernel/ptrace_32.c
@@ -37,9 +37,6 @@
*/
#define FLAG_MASK 0x00050dd5
-/* set's the trap flag. */
-#define TRAP_FLAG 0x100
-
/*
* Offset of eflags on child stack..
*/
@@ -235,11 +232,11 @@ static void set_singlestep(struct task_struct *child)
/*
* If TF was already set, don't do anything else
*/
- if (regs->eflags & TRAP_FLAG)
+ if (regs->eflags & X86_EFLAGS_TF)
return;
/* Set TF on the kernel stack.. */
- regs->eflags |= TRAP_FLAG;
+ regs->eflags |= X86_EFLAGS_TF;
/*
* ..but if TF is changed by the instruction we will trace,
@@ -260,7 +257,7 @@ static void clear_singlestep(struct task_struct *child)
/* But touch TF only if it was set by us.. */
if (child->ptrace & PT_DTRACE) {
struct pt_regs *regs = get_child_regs(child);
- regs->eflags &= ~TRAP_FLAG;
+ regs->eflags &= ~X86_EFLAGS_TF;
child->ptrace &= ~PT_DTRACE;
}
}
diff --git a/arch/x86/kernel/ptrace_64.c b/arch/x86/kernel/ptrace_64.c
index 07de75d..e907e2e 100644
--- a/arch/x86/kernel/ptrace_64.c
+++ b/arch/x86/kernel/ptrace_64.c
@@ -42,9 +42,6 @@
*/
#define FLAG_MASK 0x54dd5UL
-/* set's the trap flag. */
-#define TRAP_FLAG 0x100UL
-
/*
* eflags and offset of eflags on child stack..
*/
@@ -187,11 +184,11 @@ static void set_singlestep(struct task_struct *child)
/*
* If TF was already set, don't do anything else
*/
- if (regs->eflags & TRAP_FLAG)
+ if (regs->eflags & X86_EFLAGS_TF)
return;
/* Set TF on the kernel stack.. */
- regs->eflags |= TRAP_FLAG;
+ regs->eflags |= X86_EFLAGS_TF;
/*
* ..but if TF is changed by the instruction we will trace,
@@ -212,7 +209,7 @@ static void clear_singlestep(struct task_struct *child)
/* But touch TF only if it was set by us.. */
if (child->ptrace & PT_DTRACE) {
struct pt_regs *regs = task_pt_regs(child);
- regs->eflags &= ~TRAP_FLAG;
+ regs->eflags &= ~X86_EFLAGS_TF;
child->ptrace &= ~PT_DTRACE;
}
}
-
