On 03/31/2010 02:54 PM, Russell King wrote: > On Wed, Mar 31, 2010 at 04:42:25PM -0500, Christoph Lameter wrote: >> Do not run the checks while we are in a single threaded context? >> >> I thought we had some dynamic code patching thingamy that could change >> those when we go to smp mode? > > You have to remember that on embedded architectures, such as ARM, > where XIP is supported we can't change the text segment at run time - > which means dynamic code patching won't work. > > However, the kernel should still work in such situations. > The question still remains what the incremental cost is of doing irqsave/irqrestore. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
