On Sat, 21 Mar 2015 21:44:37 +0100 Denys Vlasenko <[email protected]> wrote:
> Instead of PER_CPU_VAR(kernel_stack), 64-bit code > can use PER_CPU_VAR(cpu_tss + TSS_sp0). The change log here is lacking an answer to "why". It only states what it does. What's wrong with using kernel_stack? The change log should explicitly state that. I have no idea why this patch is needed. -- Steve > > 32-bit code switches to PER_CPU_VAR(cpu_current_top_of_stack), > which has the same value. > -- 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/
