On 13-02-15 11:18 AM, Kees Cook wrote: > On Fri, Feb 15, 2013 at 7:54 AM, Paul Gortmaker > <[email protected]> wrote: >> commit ec0c4274e33c0373e476b73e01995c53128f1257 ("futex: Mark >> get_robust_list as deprecated") added these two WARN_ONCE calls. >> >> However, WARN_ONCE taints the kernel, and we shouldn't be allowing >> any user who wanders by to do this. For example, the system fuzzer >> "trinity" uses the tainted state as a metric for when to stop, >> assuming that it has caused significant wreckage (and indeed >> that tool is what actually led me to this change). >> >> The ability to deprecate this code has been called into question[1], >> but if that remains to be finalized, then making this change in the >> interim seems to make sense. >> >> [1] http://lkml.indiana.edu/hypermail/linux/kernel/1208.0/01081.html >> >> Cc: Dave Jones <[email protected]> >> Cc: Richard Weinberger <[email protected]> >> Cc: Kees Cook <[email protected]> >> Cc: Thomas Gleixner <[email protected]> >> Cc: [email protected] # 3.4+ >> Signed-off-by: Paul Gortmaker <[email protected]> > > I Acked the original revert. I thought there was agreement that it was > needed for checkpointing to work?
There were several acks in the original thread, but for some unknown reason (at least unknown to me and Richard), it never made it in tree... P. -- > > -Kees > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

