Eric Dumazet <[EMAIL PROTECTED]> writes: > > What about IRQ masking then ? > > Many CPU pay high cost for cli/sti pair...
Many? In the x86 world only P4. On the other cores cli/sti (and even pushf ; cli ; popf) is reasonably fast. > > And SLAB/SLUB allocators, even if only used from process context, want > to disable/re-enable interrupts... > > I understand kmalloc() want generic pools, but dedicated pools could > avoid this cli/sti While there are a lot of P4s around they are obsolete by now and I would advise against major redesigns for tuning obsolete CPUs. -Andi -- 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/
