Benjamin LaHaise <[EMAIL PROTECTED]> wrote: > > On Sat, Jan 28, 2006 at 01:28:20AM +0100, Eric Dumazet wrote: > > We might use atomic_long_t only (and no spinlocks) > > Something like this ? > > Erk, complex and slow... Try using local_t instead, which is substantially > cheaper on the P4 as it doesn't use the lock prefix and act as a memory > barrier. See asm/local.h. >
local_t isn't much use until we get rid of asm-generic/local.h. Bloaty, racy with nested interrupts. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html