On Mon, 16 Nov 2015, Dave Hansen wrote: > Note that _pkey is a 64-bit value. The current hardware only > supports 4-bit protection keys. We do this because there is > _plenty_ of space in _sigfault and it is possible that future > processors would support more than 4 bits of protection keys. > > Signed-off-by: Dave Hansen <[email protected]> > --- > > b/arch/x86/include/asm/pgtable_types.h | 5 ++ > b/arch/x86/mm/fault.c | 59 > ++++++++++++++++++++++++++++++++- > b/include/uapi/asm-generic/siginfo.h | 17 ++++++--- > b/kernel/signal.c | 4 ++
I'd be nice to split the core changes from the x86 implementation. Other than that: Reviewed-by: Thomas Gleixner <[email protected]> -- 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/
