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From: Oleg Nesterov <oleg@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Roland McGrath <roland@redhat.com>
Cc: Chris Zankel <chris@zankel.net>,
	David Howells <dhowells@redhat.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Greg Ungerer <gerg@uclinux.org>,
	Haavard Skinnemoen <hskinnemoen@atmel.com>,
	Helge Deller <deller@gmx.de>,
	Hirokazu Takata <takata@linux-m32r.org>,
	Jeff Dike <jdike@addtoit.com>, Kyle McMartin <kyle@mcmartin.ca>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Mike Frysinger <vapier.adi@gmail.com>,
	Paul Mundt <lethal@linux-sh.org>,
	Roman Zippel <zippel@linux-m68k.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	linux-kernel@vger.kernel.org
Subject: [PATCH 3/4] ptrace: remove PT_DTRACE from m68k, m68knommu
Date: Thu, 23 Apr 2009 21:32:11 +0200	[thread overview]
Message-ID: <20090423193211.GA14892@redhat.com> (raw)

m68k sets PT_DTRACE in trap_c() but never uses it.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>

 arch/m68k/kernel/traps.c            |    1 -
 arch/m68knommu/kernel/asm-offsets.c |    1 -
 arch/m68knommu/kernel/traps.c       |    1 -
 3 files changed, 3 deletions(-)

--- PTRACE/arch/m68k/kernel/traps.c~DT_3_SET	2009-04-06 00:03:35.000000000 +0200
+++ PTRACE/arch/m68k/kernel/traps.c	2009-04-22 21:52:23.000000000 +0200
@@ -1057,7 +1057,6 @@ asmlinkage void trap_c(struct frame *fp)
 	if (fp->ptregs.sr & PS_S) {
 		if ((fp->ptregs.vector >> 2) == VEC_TRACE) {
 			/* traced a trapping instruction */
-			current->ptrace |= PT_DTRACE;
 		} else
 			bad_super_trap(fp);
 		return;
--- PTRACE/arch/m68knommu/kernel/asm-offsets.c~DT_3_SET	2009-04-06 00:03:35.000000000 +0200
+++ PTRACE/arch/m68knommu/kernel/asm-offsets.c	2009-04-22 21:53:46.000000000 +0200
@@ -79,7 +79,6 @@ int main(void)
 	DEFINE(TRAP_TRACE, TRAP_TRACE);
 
 	DEFINE(PT_PTRACED, PT_PTRACED);
-	DEFINE(PT_DTRACE, PT_DTRACE);
 
 	DEFINE(THREAD_SIZE, THREAD_SIZE);
 
--- PTRACE/arch/m68knommu/kernel/traps.c~DT_3_SET	2009-04-06 00:03:35.000000000 +0200
+++ PTRACE/arch/m68knommu/kernel/traps.c	2009-04-22 21:54:29.000000000 +0200
@@ -200,7 +200,6 @@ asmlinkage void trap_c(struct frame *fp)
 	if (fp->ptregs.sr & PS_S) {
 		if ((fp->ptregs.vector >> 2) == VEC_TRACE) {
 			/* traced a trapping instruction */
-			current->ptrace |= PT_DTRACE;
 		} else
 			bad_super_trap(fp);
 		return;


             reply	other threads:[~2009-04-23 19:42 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-23 19:32 Oleg Nesterov [this message]
2009-04-24  1:17 ` [PATCH 3/4] ptrace: remove PT_DTRACE from m68k, m68knommu Greg Ungerer
2009-04-24  7:03 ` Geert Uytterhoeven
2009-04-24 10:06 ` Andreas Schwab
2009-04-24 10:57   ` Geert Uytterhoeven
2009-04-24 12:04     ` Andreas Schwab

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