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Message-ID: <20090423193206.GA14885@redhat.com>
Date: Thu, 23 Apr 2009 21:32:06 +0200
From: Oleg Nesterov <oleg@...hat.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
Roland McGrath <roland@...hat.com>
Cc: Chris Zankel <chris@...kel.net>,
David Howells <dhowells@...hat.com>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Greg Ungerer <gerg@...inux.org>,
Haavard Skinnemoen <hskinnemoen@...el.com>,
Helge Deller <deller@....de>,
Hirokazu Takata <takata@...ux-m32r.org>,
Jeff Dike <jdike@...toit.com>,
Kyle McMartin <kyle@...artin.ca>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Mike Frysinger <vapier.adi@...il.com>,
Paul Mundt <lethal@...ux-sh.org>,
Roman Zippel <zippel@...ux-m68k.org>,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] ptrace: remove PT_DTRACE from avr32, mn10300, parisc,
s390, sh, xtensa
avr32, mn10300, parisc, s390, sh, xtensa:
they never set PT_DTRACE, but clear it after do_execve().
Signed-off-by: Oleg Nesterov <oleg@...hat.com>
arch/avr32/kernel/process.c | 2 --
arch/mn10300/kernel/process.c | 3 ---
arch/parisc/hpux/fs.c | 5 -----
arch/parisc/kernel/process.c | 5 -----
arch/parisc/kernel/sys_parisc32.c | 5 -----
arch/s390/kernel/compat_linux.c | 3 ---
arch/s390/kernel/process.c | 3 ---
arch/sh/kernel/process_32.c | 5 -----
arch/sh/kernel/process_64.c | 5 -----
arch/xtensa/kernel/process.c | 5 -----
10 files changed, 41 deletions(-)
--- PTRACE/arch/avr32/kernel/process.c~DT_2_CLEAR 2009-04-06 00:03:35.000000000 +0200
+++ PTRACE/arch/avr32/kernel/process.c 2009-04-22 21:35:25.000000000 +0200
@@ -394,8 +394,6 @@ asmlinkage int sys_execve(char __user *u
goto out;
error = do_execve(filename, uargv, uenvp, regs);
- if (error == 0)
- current->ptrace &= ~PT_DTRACE;
putname(filename);
out:
--- PTRACE/arch/mn10300/kernel/process.c~DT_2_CLEAR 2009-04-06 00:03:35.000000000 +0200
+++ PTRACE/arch/mn10300/kernel/process.c 2009-04-22 21:38:00.000000000 +0200
@@ -281,9 +281,6 @@ asmlinkage long sys_execve(char __user *
error = PTR_ERR(filename);
if (!IS_ERR(filename)) {
error = do_execve(filename, argv, envp, __frame);
- if (error == 0)
- current->ptrace &= ~PT_DTRACE;
-
putname(filename);
}
--- PTRACE/arch/parisc/hpux/fs.c~DT_2_CLEAR 2009-04-06 00:03:35.000000000 +0200
+++ PTRACE/arch/parisc/hpux/fs.c 2009-04-22 21:39:00.000000000 +0200
@@ -44,11 +44,6 @@ int hpux_execve(struct pt_regs *regs)
error = do_execve(filename, (char __user * __user *) regs->gr[25],
(char __user * __user *) regs->gr[24], regs);
- if (error == 0) {
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
- }
putname(filename);
out:
--- PTRACE/arch/parisc/kernel/process.c~DT_2_CLEAR 2009-04-06 00:03:35.000000000 +0200
+++ PTRACE/arch/parisc/kernel/process.c 2009-04-22 21:41:57.000000000 +0200
@@ -349,11 +349,6 @@ asmlinkage int sys_execve(struct pt_regs
goto out;
error = do_execve(filename, (char __user * __user *) regs->gr[25],
(char __user * __user *) regs->gr[24], regs);
- if (error == 0) {
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
- }
putname(filename);
out:
--- PTRACE/arch/parisc/kernel/sys_parisc32.c~DT_2_CLEAR 2009-04-06 00:03:35.000000000 +0200
+++ PTRACE/arch/parisc/kernel/sys_parisc32.c 2009-04-22 21:42:19.000000000 +0200
@@ -77,11 +77,6 @@ asmlinkage int sys32_execve(struct pt_re
goto out;
error = compat_do_execve(filename, compat_ptr(regs->gr[25]),
compat_ptr(regs->gr[24]), regs);
- if (error == 0) {
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
- }
putname(filename);
out:
--- PTRACE/arch/s390/kernel/compat_linux.c~DT_2_CLEAR 2009-04-22 20:49:07.000000000 +0200
+++ PTRACE/arch/s390/kernel/compat_linux.c 2009-04-22 21:45:01.000000000 +0200
@@ -461,9 +461,6 @@ asmlinkage long sys32_execve(void)
result = rc;
goto out_putname;
}
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
current->thread.fp_regs.fpc=0;
asm volatile("sfpc %0,0" : : "d" (0));
result = regs->gprs[2];
--- PTRACE/arch/s390/kernel/process.c~DT_2_CLEAR 2009-04-06 00:03:36.000000000 +0200
+++ PTRACE/arch/s390/kernel/process.c 2009-04-22 21:45:27.000000000 +0200
@@ -265,9 +265,6 @@ SYSCALL_DEFINE0(vfork)
asmlinkage void execve_tail(void)
{
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
current->thread.fp_regs.fpc = 0;
if (MACHINE_HAS_IEEE)
asm volatile("sfpc %0,%0" : : "d" (0));
--- PTRACE/arch/sh/kernel/process_32.c~DT_2_CLEAR 2009-04-06 00:03:36.000000000 +0200
+++ PTRACE/arch/sh/kernel/process_32.c 2009-04-22 21:46:30.000000000 +0200
@@ -366,11 +366,6 @@ asmlinkage int sys_execve(char __user *u
goto out;
error = do_execve(filename, uargv, uenvp, regs);
- if (error == 0) {
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
- }
putname(filename);
out:
return error;
--- PTRACE/arch/sh/kernel/process_64.c~DT_2_CLEAR 2009-04-06 00:03:36.000000000 +0200
+++ PTRACE/arch/sh/kernel/process_64.c 2009-04-22 21:46:52.000000000 +0200
@@ -529,11 +529,6 @@ asmlinkage int sys_execve(char *ufilenam
(char __user * __user *)uargv,
(char __user * __user *)uenvp,
pregs);
- if (error == 0) {
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
- }
putname(filename);
out:
return error;
--- PTRACE/arch/xtensa/kernel/process.c~DT_2_CLEAR 2009-04-06 00:03:37.000000000 +0200
+++ PTRACE/arch/xtensa/kernel/process.c 2009-04-22 21:48:13.000000000 +0200
@@ -331,11 +331,6 @@ long xtensa_execve(char __user *name, ch
if (IS_ERR(filename))
goto out;
error = do_execve(filename, argv, envp, regs);
- if (error == 0) {
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
- }
putname(filename);
out:
return error;
--
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