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authorEric W. Biederman <ebiederm@xmission.com>2008-02-08 04:18:33 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 09:22:24 -0800
commitdf5f8314ca30d6a76735748e5ba4ca9809c0f434 (patch)
treee0a6157b1666a320e69586a81c77a3fe83b36a2a /arch/s390/kernel/traps.c
parenta56d3fc74c0178c5f41c48315604d62cff4e746d (diff)
downloadop-kernel-dev-df5f8314ca30d6a76735748e5ba4ca9809c0f434.zip
op-kernel-dev-df5f8314ca30d6a76735748e5ba4ca9809c0f434.tar.gz
proc: seqfile convert proc_pid_status to properly handle pid namespaces
Currently we possibly lookup the pid in the wrong pid namespace. So seq_file convert proc_pid_status which ensures the proper pid namespaces is passed in. [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: build fix] [akpm@linux-foundation.org: another build fix] [akpm@linux-foundation.org: s390 build fix] [akpm@linux-foundation.org: fix task_name() output] [akpm@linux-foundation.org: fix nommu build] Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Andrew Morgan <morgan@kernel.org> Cc: Serge Hallyn <serue@us.ibm.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Pavel Emelyanov <xemul@openvz.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Paul Menage <menage@google.com> Cc: Paul Jackson <pj@sgi.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/s390/kernel/traps.c')
-rw-r--r--arch/s390/kernel/traps.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 1a2fdb69..a4d2902 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -24,6 +24,7 @@
#include <linux/smp.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/seq_file.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/kdebug.h>
@@ -218,41 +219,40 @@ void show_registers(struct pt_regs *regs)
}
/* This is called from fs/proc/array.c */
-char *task_show_regs(struct task_struct *task, char *buffer)
+void task_show_regs(struct seq_file *m, struct task_struct *task)
{
struct pt_regs *regs;
regs = task_pt_regs(task);
- buffer += sprintf(buffer, "task: %p, ksp: %p\n",
+ seq_printf(m, "task: %p, ksp: %p\n",
task, (void *)task->thread.ksp);
- buffer += sprintf(buffer, "User PSW : %p %p\n",
+ seq_printf(m, "User PSW : %p %p\n",
(void *) regs->psw.mask, (void *)regs->psw.addr);
- buffer += sprintf(buffer, "User GPRS: " FOURLONG,
+ seq_printf(m, "User GPRS: " FOURLONG,
regs->gprs[0], regs->gprs[1],
regs->gprs[2], regs->gprs[3]);
- buffer += sprintf(buffer, " " FOURLONG,
+ seq_printf(m, " " FOURLONG,
regs->gprs[4], regs->gprs[5],
regs->gprs[6], regs->gprs[7]);
- buffer += sprintf(buffer, " " FOURLONG,
+ seq_printf(m, " " FOURLONG,
regs->gprs[8], regs->gprs[9],
regs->gprs[10], regs->gprs[11]);
- buffer += sprintf(buffer, " " FOURLONG,
+ seq_printf(m, " " FOURLONG,
regs->gprs[12], regs->gprs[13],
regs->gprs[14], regs->gprs[15]);
- buffer += sprintf(buffer, "User ACRS: %08x %08x %08x %08x\n",
+ seq_printf(m, "User ACRS: %08x %08x %08x %08x\n",
task->thread.acrs[0], task->thread.acrs[1],
task->thread.acrs[2], task->thread.acrs[3]);
- buffer += sprintf(buffer, " %08x %08x %08x %08x\n",
+ seq_printf(m, " %08x %08x %08x %08x\n",
task->thread.acrs[4], task->thread.acrs[5],
task->thread.acrs[6], task->thread.acrs[7]);
- buffer += sprintf(buffer, " %08x %08x %08x %08x\n",
+ seq_printf(m, " %08x %08x %08x %08x\n",
task->thread.acrs[8], task->thread.acrs[9],
task->thread.acrs[10], task->thread.acrs[11]);
- buffer += sprintf(buffer, " %08x %08x %08x %08x\n",
+ seq_printf(m, " %08x %08x %08x %08x\n",
task->thread.acrs[12], task->thread.acrs[13],
task->thread.acrs[14], task->thread.acrs[15]);
- return buffer;
}
static DEFINE_SPINLOCK(die_lock);
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