From: Roland McGrath <roland@redhat.com>
Date: Wed, 30 Jan 2008 12:30:48 +0000 (+0100)
Subject: x86: remove TRAP_FLAG
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=77c03dcd448aa4c7be45f4edb97381ef463e3911;p=linux-beck.git

x86: remove TRAP_FLAG

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>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/arch/x86/kernel/ptrace_32.c b/arch/x86/kernel/ptrace_32.c
index 09227cfb7c4c..4619bda470b6 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 375fadc23a25..8e433b3773d2 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;
 	}
 }