On 9 July 2014 23:44, Andi Kleen <a...@firstfloor.org> wrote: > Dave Hansen <dave.han...@intel.com> writes: >> >> You're also claiming that "KASAN is better than all of > > better as in finding more bugs, but surely not better as in > "do so with less overhead" > >> CONFIG_DEBUG_PAGEALLOC". So should we just disallow (or hide) >> DEBUG_PAGEALLOC on kernels where KASAN is available? > > I don't think DEBUG_PAGEALLOC/SLUB debug and kasan really conflict. > > DEBUG_PAGEALLOC/SLUB is "much lower overhead but less bugs found". > KASAN is "slow but thorough" There are niches for both. > > But I could see KASAN eventually deprecating kmemcheck, which > is just incredible slow.
FWIW, I definitely agree with this -- if KASAN can do everything that kmemcheck can, it is no doubt the right way forward. Vegard -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
