netdev - RE: [RFC PATCH v8 04/10] dpll: netlink: Add DPLL framework base functions

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]

Date: Fri, 23 Jun 2023 00:56:24 +0000
From: "Kubalewski, Arkadiusz" <arkadiusz.kubalewski@...el.com>
To: Jiri Pirko <jiri@...nulli.us>, poros <poros@...hat.com>
CC: "kuba@...nel.org" <kuba@...nel.org>, "vadfed@...a.com" <vadfed@...a.com>,
	"jonathan.lemon@...il.com" <jonathan.lemon@...il.com>, "pabeni@...hat.com"
	<pabeni@...hat.com>, "corbet@....net" <corbet@....net>, "davem@...emloft.net"
	<davem@...emloft.net>, "edumazet@...gle.com" <edumazet@...gle.com>,
	"vadfed@...com" <vadfed@...com>, "Brandeburg, Jesse"
	<jesse.brandeburg@...el.com>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>, "M, Saeed" <saeedm@...dia.com>,
	"leon@...nel.org" <leon@...nel.org>, "richardcochran@...il.com"
	<richardcochran@...il.com>, "sj@...nel.org" <sj@...nel.org>,
	"javierm@...hat.com" <javierm@...hat.com>, "ricardo.canuelo@...labora.com"
	<ricardo.canuelo@...labora.com>, "mst@...hat.com" <mst@...hat.com>,
	"tzimmermann@...e.de" <tzimmermann@...e.de>, "Michalik, Michal"
	<michal.michalik@...el.com>, "gregkh@...uxfoundation.org"
	<gregkh@...uxfoundation.org>, "jacek.lawrynowicz@...ux.intel.com"
	<jacek.lawrynowicz@...ux.intel.com>, "airlied@...hat.com"
	<airlied@...hat.com>, "ogabbay@...nel.org" <ogabbay@...nel.org>,
	"arnd@...db.de" <arnd@...db.de>, "nipun.gupta@....com" <nipun.gupta@....com>,
	"axboe@...nel.dk" <axboe@...nel.dk>, "linux@...y.sk" <linux@...y.sk>,
	"masahiroy@...nel.org" <masahiroy@...nel.org>,
	"benjamin.tissoires@...hat.com" <benjamin.tissoires@...hat.com>,
	"geert+renesas@...der.be" <geert+renesas@...der.be>, "Olech, Milena"
	<milena.olech@...el.com>, "kuniyu@...zon.com" <kuniyu@...zon.com>,
	"liuhangbin@...il.com" <liuhangbin@...il.com>, "hkallweit1@...il.com"
	<hkallweit1@...il.com>, "andy.ren@...cruise.com" <andy.ren@...cruise.com>,
	"razor@...ckwall.org" <razor@...ckwall.org>, "idosch@...dia.com"
	<idosch@...dia.com>, "lucien.xin@...il.com" <lucien.xin@...il.com>,
	"nicolas.dichtel@...nd.com" <nicolas.dichtel@...nd.com>, "phil@....cc"
	<phil@....cc>, "claudiajkang@...il.com" <claudiajkang@...il.com>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, mschmidt <mschmidt@...hat.com>,
	"linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
	"vadim.fedorenko@...ux.dev" <vadim.fedorenko@...ux.dev>
Subject: RE: [RFC PATCH v8 04/10] dpll: netlink: Add DPLL framework base
 functions

>From: Jiri Pirko <jiri@...nulli.us>
>Sent: Wednesday, June 21, 2023 3:08 PM
>
>Wed, Jun 21, 2023 at 01:53:24PM CEST, jiri@...nulli.us wrote:
>>Wed, Jun 21, 2023 at 01:18:59PM CEST, poros@...hat.com wrote:
>>>Arkadiusz Kubalewski píše v Pá 09. 06. 2023 v 14:18 +0200:
>>>> From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
>>
>>[...]
>>
>>Could you perhaps cut out the text you don't comment? Saves some time
>>finding your reply.
>>
>>
>>>> +static int
>>>> +dpll_set_from_nlattr(struct dpll_device *dpll, struct genl_info
>>>> *info)
>>>> +{
>>>> +       const struct dpll_device_ops *ops = dpll_device_ops(dpll);
>>>> +       struct nlattr *tb[DPLL_A_MAX + 1];
>>>> +       int ret = 0;
>>>> +
>>>> +       nla_parse(tb, DPLL_A_MAX, genlmsg_data(info->genlhdr),
>>>> +                 genlmsg_len(info->genlhdr), NULL, info->extack);
>>>> +       if (tb[DPLL_A_MODE]) {
>>>Hi,
>>>
>>>Here should be something like:
>>>               if (!ops->mode_set)
>>>                       return -EOPNOTSUPP;
>>
>>Why? All drivers implement that.
>>I believe that it's actullaly better that way. For a called setting up
>>the same mode it is the dpll in, there should be 0 return by the driver.
>>Note that driver holds this value. I'd like to keep this code as it is.
>
>Actually, you are correct Petr, my mistake. Actually, no driver
>implements this. Arkadiusz, could you please remove this op and
>possibly any other unused  op? It will be added when needed.
>
>Thanks!
>

Sorry, didn't have time for such change, added only check as suggested by
Petr.
If you think this is a big issue, we could change it for next version.

Thank you!
Arkadiusz

>
>>
>>[...]