From: [EMAIL PROTECTED] Date: Thu, 27 Dec 2007 16:10:49 -0800 > V1->V2: > - add support for PER_CPU_ATTRIBUTES > > Add the ability to use generic/percpu even if the arch needs to override > several aspects of its operations. This will enable the use of generic > percpu.h for all arches. > > An arch may define: > > __per_cpu_offset Do not use the generic pointer array. Arch must > define per_cpu_offset(cpu) (used by x86_64, s390). > > __my_cpu_offset Can be defined to provide an optimized way to > determine > the offset for variables of the currently executing > processor. Used by ia64, x86_64, x86_32, sparc64, s/390. > > SHIFT_PTR(ptr, offset) If an arch defines it then special handling > of pointer arithmentic may be implemented. Used > by s/390. > > > (Some of these special percpu arch implementations may be later consolidated > so that there are less cases to deal with.) > > Cc: Rusty Russell <[EMAIL PROTECTED]> > Cc: Andi Kleen <[EMAIL PROTECTED]> > Signed-off-by: Christoph Lameter <[EMAIL PROTECTED]> > Signed-off-by: Mike Travis <[EMAIL PROTECTED]>
Acked-by: David S. Miller <[EMAIL PROTECTED]> -- 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/
