Benjamin Herrenschmidt wrote: > On Mon, 2011-12-12 at 16:50 +0800, Tiejun Chen wrote: >> We need a copy mechanism to migrate exception stack. But looks copy_page() >> already implement this well so we can complete copy_exc_stack() based on >> that directly. > > I'd rather you don't hijack copy_page which is quite sensitive. The > emulation isn't performance critical so a "dumber" routine would work
Yes, I just think we should introduce good performance so I 'steal' the original copy_page(). > fine. > > Why not use memcpy ? You can call it from assembly. I'd like to switch to memcpy. Thanks Tiejun _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
