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I don't see why we iterate over all triggers to find the panic trigger.
We *are* the panic trigger. Therefore we also know that the panic
trigger doesn't have an activate() hook. So we can simplify the code
significantly.
Signed-off-by: Heiner Kallweit <[email protected]>
Reviewed-by: Jacek Anaszewski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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failed
It doesn't make sense to register the panic notifier if creating the
panic trigger failed.
Signed-off-by: Heiner Kallweit <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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kernel.h is being used as a dump for all kinds of stuff for a long time.
Here is the attempt to start cleaning it up by splitting out panic and
oops helpers.
There are several purposes of doing this:
- dropping dependency in bug.h
- dropping a loop by moving out panic_notifier.h
- unload kernel.h from something which has its own domain
At the same time convert users tree-wide to use new headers, although for
the time being include new header back to kernel.h to avoid twisted
indirected includes for existing users.
[[email protected]: thread_info.h needs limits.h]
[[email protected]: ia64 fix]
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Andy Shevchenko <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]>
Co-developed-by: Andrew Morton <[email protected]>
Acked-by: Mike Rapoport <[email protected]>
Acked-by: Corey Minyard <[email protected]>
Acked-by: Christian Brauner <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Acked-by: Kees Cook <[email protected]>
Acked-by: Wei Liu <[email protected]>
Acked-by: Rasmus Villemoes <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Acked-by: Sebastian Reichel <[email protected]>
Acked-by: Luis Chamberlain <[email protected]>
Acked-by: Stephen Boyd <[email protected]>
Acked-by: Thomas Bogendoerfer <[email protected]>
Acked-by: Helge Deller <[email protected]> # parisc
Signed-off-by: Linus Torvalds <[email protected]>
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Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Enrico Weigelt <[email protected]>
Reviewed-by: Kate Stewart <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This commit adds a new led_cdev flag LED_PANIC_INDICATOR, which
allows to mark a specific LED to be switched to the "panic"
trigger, on a kernel panic.
This is useful to allow the user to assign a regular trigger
to a given LED, and still blink that LED on a kernel panic.
Signed-off-by: Ezequiel Garcia <[email protected]>
Reviewed-by: Matthias Brugger <[email protected]>
Acked-by: Pavel Machek <[email protected]>
Signed-off-by: Jacek Anaszewski <[email protected]>
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This commit introduces a new LED trigger which allows to configure
a LED to blink on a kernel panic (through panic_blink).
Notice that currently the Openmoko FreeRunner (GTA02) mach code
sets panic_blink to blink a hard-coded LED. The new trigger is
meant to introduce a generic mechanism to achieve this.
Signed-off-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Jacek Anaszewski <[email protected]>
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