Messages in this thread | | | Date | Sun, 29 Aug 2004 15:01:56 +0200 | From | Jens Axboe <> | Subject | Re: [2.6 patch][3/3] mm/ BUG -> BUG_ON conversions |
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On Sun, Aug 29 2004, Oliver Neukum wrote: > Am Sonntag, 29. August 2004 14:03 schrieb Jens Axboe: > > > The intention is, to add an option that lets BUG/BUG_ON/WARN_ON/PAGE_BUG > > > do nothing. This option should be hidden under EMBEDDED. > > > > > > In some environments, this seems to be desirable. > > > > That only makes sense if you are using BUG incorrectly. A BUG() > > condition is something that is non-recoverable, undefining that doesn't > > make any sense regardless of the environment. > > Why not? Giving reports about unrecoverable errors is sensible > only if the report can be read. On system this is not the case, you > can just salvage the memory and let it crash.
"Unrecoverable" can quite easily mean "something really bad has happened, corruption imminent". So maybe you would want BUG/BUG_ON to restart the box there, the restart-on-panic should help you there.
You're mail is not making a case for defining BUG/BUG_ON to a nop, which is what the discussion is about.
-- Jens Axboe
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