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 <[email protected]>
[ remove smp_lock.h headers ]
Signed-off-by: Frederic Weisbecker <[email protected]>
This commit is contained in:
Arnd Bergmann 2010-07-04 00:02:25 +02:00 • committed by Frederic Weisbecker
commit 5f202bd5ca

View file

@ -28,7 +28,6 @@
#include <linux/mm.h>
#include <linux/stat.h>
#include <linux/fcntl.h>
#include <linux/smp_lock.h>
#include <linux/swap.h>
#include <linux/string.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);
/*
* lock_kernel() because format_corename() is controlled by sysctl, which
* uses lock_kernel()
*/
lock_kernel();
ispipe = format_corename(corename, signr);
unlock_kernel();
if (ispipe) {
int dump_count;