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do_coredump: Do not take BKL 

core_pattern is not actually protected and hasn't been
ever since we introduced procfs support for sysctl -- a
_long_ time. Don't take it here either.

Also nothing inside do_coredump appears to require bkl
protection.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[ remove smp_lock.h headers ]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Arnd Bergmann 2010-07-04 00:02:25 +02:00 committed by Frederic Weisbecker
parent 5e3d20a68f
commit 5f202bd5ca
1 changed files with 0 additions and 7 deletions
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7
fs/exec.c
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@ -28,7 +28,6 @@
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/stat.h> #include <linux/stat.h>
#include <linux/fcntl.h> #include <linux/fcntl.h>
#include <linux/smp_lock.h>
#include <linux/swap.h> #include <linux/swap.h>
#include <linux/string.h> #include <linux/string.h>
#include <linux/init.h> #include <linux/init.h>
@ -1891,13 +1890,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
*/ */
clear_thread_flag(TIF_SIGPENDING); clear_thread_flag(TIF_SIGPENDING);
/*
* lock_kernel() because format_corename() is controlled by sysctl, which
* uses lock_kernel()
*/
lock_kernel();
ispipe = format_corename(corename, signr); ispipe = format_corename(corename, signr);
unlock_kernel();
if (ispipe) { if (ispipe) {
int dump_count; int dump_count;