On Fri, May 29, 2020 at 09:07:31AM +1000, Michael Neuling wrote:
> Currently when we boot on a big core system, we get this print:
> [ 0.040500] Using small cores at SMT level
>
> This is misleading as we've actually detected big cores.
>
> This patch clears up the print to say we've detect big cores but are
> using small cores for scheduling.
Thanks for making the print more meaningful.
>
> Signed-off-by: Michael Neuling <mi...@neuling.org>
FWIW,
Acked-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
> ---
> arch/powerpc/kernel/smp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
> index 6d2a3a3666..c820c95162 100644
> --- a/arch/powerpc/kernel/smp.c
> +++ b/arch/powerpc/kernel/smp.c
> @@ -1383,7 +1383,7 @@ void __init smp_cpus_done(unsigned int max_cpus)
>
> #ifdef CONFIG_SCHED_SMT
> if (has_big_cores) {
> - pr_info("Using small cores at SMT level\n");
> + pr_info("Big cores detected but using small core scheduling\n");
> power9_topology[0].mask = smallcore_smt_mask;
> powerpc_topology[0].mask = smallcore_smt_mask;
> }
> --
> 2.26.2
>
