Doug / smarc-fsl-linux-kernel

Download as
Browse Code ยป

Commit 5f202bd5ca64132cdd7f186656bc0221f257733d

Authored by Arnd Bergmann
Committed by Frederic Weisbecker
1 parent 5e3d20a68f
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

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>

Showing 1 changed file with 0 additions and 7 deletions Side-by-side Diff

... ... @@ -28,7 +28,6 @@
28 28 #include <linux/mm.h>
29 29 #include <linux/stat.h>
30 30 #include <linux/fcntl.h>
31   -#include <linux/smp_lock.h>
32 31 #include <linux/swap.h>
33 32 #include <linux/string.h>
34 33 #include <linux/init.h>
35 34  
... ... @@ -1891,13 +1890,7 @@
1891 1890 */
1892 1891 clear_thread_flag(TIF_SIGPENDING);
1893 1892  
1894   - /*
1895   - * lock_kernel() because format_corename() is controlled by sysctl, which
1896   - * uses lock_kernel()
1897   - */
1898   - lock_kernel();
1899 1893 ispipe = format_corename(corename, signr);
1900   - unlock_kernel();
1901 1894  
1902 1895 if (ispipe) {
1903 1896 int dump_count;