Re: [PATCH 1/1] ACPI/nfit: correct the badrange to be reported in nfit_handle_mce()

Leizhen (ThunderTown)
2020-11-18T08:54:35Z

On 2020/11/18 16:41, Zhen Lei wrote:
> The badrange to be reported should always cover mce->addr.
Maybe I should change this description to:
Make sure the badrange to be reported can always cover mce->addr.

>
> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
> ---
> drivers/acpi/nfit/mce.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/nfit/mce.c b/drivers/acpi/nfit/mce.c
> index ee8d9973f60b..053e719c7bea 100644
> --- a/drivers/acpi/nfit/mce.c
> +++ b/drivers/acpi/nfit/mce.c
> @@ -63,7 +63,7 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val,
>
> /* If this fails due to an -ENOMEM, there is little we can do */
> nvdimm_bus_add_badrange(acpi_desc->nvdimm_bus,
> - ALIGN(mce->addr, L1_CACHE_BYTES),
> + ALIGN_DOWN(mce->addr, L1_CACHE_BYTES),
> L1_CACHE_BYTES);
> nvdimm_region_notify(nfit_spa->nd_region,
> NVDIMM_REVALIDATE_POISON);
>