linux-kernel - [PATCH] x86 handle_vm86

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Date:	Mon, 17 Mar 2008 02:21:08 -0700 (PDT)
From:	Roland McGrath <roland@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] x86 handle_vm86_trap cleanup

Use force_sig in handle_vm86_trap like other machine traps do.

Signed-off-by: Roland McGrath <roland@...hat.com>
---
 arch/x86/kernel/vm86_32.c |    9 +--------
 1 files changed, 1 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
index 738c210..fddb998 100644
--- a/arch/x86/kernel/vm86_32.c
+++ b/arch/x86/kernel/vm86_32.c
@@ -553,16 +553,9 @@ int handle_vm86_trap(struct kernel_vm86_regs * regs, long error_code, int trapno
 	}
 	if (trapno !=1)
 		return 1; /* we let this handle by the calling routine */
-	if (current->ptrace & PT_PTRACED) {
-		unsigned long flags;
-		spin_lock_irqsave(&current->sighand->siglock, flags);
-		sigdelset(&current->blocked, SIGTRAP);
-		recalc_sigpending();
-		spin_unlock_irqrestore(&current->sighand->siglock, flags);
-	}
-	send_sig(SIGTRAP, current, 1);
 	current->thread.trap_no = trapno;
 	current->thread.error_code = error_code;
+	force_sig(SIGTRAP, current);
 	return 0;
 }
 
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