Peter Zijlstra <[email protected]> writes: > On Mon, Jul 24, 2017 at 01:04:28PM +0300, Alexander Shishkin wrote: >> Commit >> >> 9a93848fe787 ("x86/debug: Implement __WARN() using UD0") >> >> turned warnings into UD0, but the fixup code only runs after the >> notify_die() chain. This is a problem, in particular, with kgdb, >> which kicks in as if it was a BUG(). >> >> Fix this by running the fixup code before the notifier chain in >> the invalid op handler path. > > So arguable it might be nice to have kgdb trap on a WARN, but it > treating it as a BUG is obviously undesirable. > > Jason, what would you want kgdb to do here?
Ping.
