On Wed, 2011-08-31 at 17:17 +0800, tiejun.chen wrote: > > It sounds hackish but it makes it easier to fix everybody at once, there > > are "issues" with changing stacks especially on ppc64 and it would > > definitely be affected as well if the stack frame created is larger than > > our gap. > > If we provide another exception stack like we did debug exception on ppc64, > are > there those "issues" you said?
Actually if we allocate it like the irq stacks, we should be ok, but that's yet another 16K per CPU that needs to be covered by the first segment, nasty.... In any case, please try to come up with a patch that covers all variants. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev