On Mon, 2 Nov 2015, Catalin Marinas wrote: > I haven't looked at the patch 3/3 in detail but I'm pretty sure I'll NAK > the approach (and the definition of PERCPU_ATOM_SIZE), therefore > rendering this patch unnecessary. IIUC, this is used to enforce some > alignment of the per-CPU IRQ stack to be able to check whether the > current stack is process or IRQ on exception entry. But there are other, > less intrusive ways to achieve the same (e.g. x86).
The percpu allocator allows the specification of alignment requirements. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
