linux-kernel - [PATCH] ptrace needs PROC

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Message-Id: <20070319152616.d0857587.randy.dunlap@oracle.com>
Date:	Mon, 19 Mar 2007 15:26:16 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, roland@...hat.com
Subject: [PATCH] ptrace needs PROC_FS

From: Randy Dunlap <randy.dunlap@...cle.com>

CONFIG_PTRACE needs PROC_FS; with CONFIG_PROC_FS=n (x86_64):

  LD      .tmp_vmlinux1
kernel/built-in.o: In function `ptrace_start':
ptrace.c:(.text+0x300f9): undefined reference to `ptrace_may_attach'
make: *** [.tmp_vmlinux1] Error 1

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 init/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.21-rc3-mm2.orig/init/Kconfig
+++ linux-2.6.21-rc3-mm2/init/Kconfig
@@ -688,7 +688,7 @@ config UTRACE
 config PTRACE
 	bool "Legacy ptrace system call interface"
 	default y
-	depends on UTRACE
+	depends on UTRACE && PROC_FS
 	help
 	  Enable the ptrace system call.
 	  This is traditionally used by debuggers like GDB,
-
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