* Andi Kleen ([EMAIL PROTECTED]) wrote: > > On embedded systems, the tradeoff is not the same. The immediate values > > trade a little bit of system memory (to keep the pointers to the > > variable and instruction as well as the size of the variable, only used > > when the variable is updated) in order to remove cache line hot paths. > > Please remove the Kconfig. I don't think it makes sense. Such optimizations > should be always enabled. We don't have CONFIG_GO_FASTER configs normally. > Don't introduce them now. > > > > > Also, embedded systems with physically read-only memory clearly does not > > want to enable this. > > We always patch the x86 kernel, so they have to deal with it anyways. > The x86 port doesn't support XIP. > > -Andi
Hehe, good timing, please see the immediate-values-kconfig-embedded.patch I just sent. ;) Well, the idea is to give the option to every architecture in the embedded menu, which is not limited to X86. -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - 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/
