| commit | 9bdeb7b5d34f197dea7859d24475943395ffea5e | |
| author | Huang Ying <ying.huang@intel.com> | |
| Fri, 15 Aug 2008 07:40:25 +0000 (15 00:40 -0700) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Fri, 15 Aug 2008 15:35:42 +0000 (15 08:35 -0700) | ||
| tree | f2db04f16f95ac713bb35d9c0dc8626a294d6d60 | treesnapshot (tar.gz zip) |
| parent | 73bd9c72a29be1e8de008186eea55d333a938804 | commitdiff |
kexec jump: __ftrace_enabled_save/restore
Add __ftrace_enabled_save/restore, used to disable ftrace for a while.
Now, this is used by kexec jump, which need a version without lock, for
general situation, a locked version should be used.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add __ftrace_enabled_save/restore, used to disable ftrace for a while.
Now, this is used by kexec jump, which need a version without lock, for
general situation, a locked version should be used.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| include/linux/ftrace.h | diffblobblamehistory |