On Wed, May 06, 2020 at 10:50:19PM -0400, Qian Cai wrote: > > > > On May 6, 2020, at 6:28 PM, Rafael Aquini <aquini@xxxxxxxxxx> wrote: > > > > Analogously to the introduction of panic_on_warn, this patch > > introduces a kernel option named panic_on_taint in order to > > provide a simple and generic way to stop execution and catch > > a coredump when the kernel gets tainted by any given taint flag. > > > > This is useful for debugging sessions as it avoids rebuilding > > the kernel to explicitly add calls to panic() or BUG() into > > code sites that introduce the taint flags of interest. > > Another, perhaps less frequent, use for this option would be > > as a mean for assuring a security policy (in paranoid mode) > > case where no single taint is allowed for the running system. > > Andrew, you can drop the patch below from -mm now because that one is now obsolete, > > mm-slub-add-panic_on_error-to-the-debug-facilities.patch > Please, don't drop it yet. I'll send a patch to get rid of the bits, once this one gets accepted, if it gets accepted. -- Rafael
