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| author |   Andy Lutomirski <luto@kernel.org> | 2015-07-03 12:44:21 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2015-07-07 10:59:04 +0200 |
| commit | f9281648ecd5081803bb2da84b9ccb0cf48436cd (patch) | |
| tree | 623bae2c42fecff31cb419ad66351eb43c02b19b /include/linux/context_tracking_state.h | |
| parent | um: Fix do_signal() prototype (diff) | |
| download | linux-dev-f9281648ecd5081803bb2da84b9ccb0cf48436cd.tar.xz linux-dev-f9281648ecd5081803bb2da84b9ccb0cf48436cd.zip | |
context_tracking: Add ct_state() and CT_WARN_ON()
This will let us sprinkle sanity checks around the kernel
without making too much of a mess.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Denys Vlasenko <vda.linux@googlemail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: paulmck@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/5da41fb2ceb29eac671f427c67040401ba2a1fa0.1435952415.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/context_tracking_state.h')
| -rw-r--r-- | include/linux/context_tracking_state.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/context_tracking_state.h b/include/linux/context_tracking_state.h index 678ecdf90cf6..ee956c528fab 100644 --- a/include/linux/context_tracking_state.h +++ b/include/linux/context_tracking_state.h @@ -14,6 +14,7 @@ struct context_tracking { bool active; int recursion; enum ctx_state { + CONTEXT_DISABLED = -1, /* returned by ct_state() if unknown */ CONTEXT_KERNEL = 0, CONTEXT_USER, CONTEXT_GUEST, |