linux-kernel - Re: [PATCH 1/1] ACPI/nfit: correct the badrange to be reported in nfit_handle

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <9b8310ed-e93f-e708-eefa-520701e6d044@huawei.com>
Date:   Wed, 18 Nov 2020 16:54:24 +0800
From:   "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>
To:     Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        linux-acpi <linux-acpi@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] ACPI/nfit: correct the badrange to be reported in
 nfit_handle_mce()



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@...wei.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);
>