linux-kernel - Re: [RFC PATCH v8 03/10] dpll: core: 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]

Message-ID: <ZIWVuPMyKRPv6oyh@nanopsycho>
Date:   Sun, 11 Jun 2023 11:36:56 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>
Cc:     kuba@...nel.org, vadfed@...a.com, jonathan.lemon@...il.com,
        pabeni@...hat.com, corbet@....net, davem@...emloft.net,
        edumazet@...gle.com, vadfed@...com, jesse.brandeburg@...el.com,
        anthony.l.nguyen@...el.com, saeedm@...dia.com, leon@...nel.org,
        richardcochran@...il.com, sj@...nel.org, javierm@...hat.com,
        ricardo.canuelo@...labora.com, mst@...hat.com, tzimmermann@...e.de,
        michal.michalik@...el.com, gregkh@...uxfoundation.org,
        jacek.lawrynowicz@...ux.intel.com, airlied@...hat.com,
        ogabbay@...nel.org, arnd@...db.de, nipun.gupta@....com,
        axboe@...nel.dk, linux@...y.sk, masahiroy@...nel.org,
        benjamin.tissoires@...hat.com, geert+renesas@...der.be,
        milena.olech@...el.com, kuniyu@...zon.com, liuhangbin@...il.com,
        hkallweit1@...il.com, andy.ren@...cruise.com, razor@...ckwall.org,
        idosch@...dia.com, lucien.xin@...il.com, nicolas.dichtel@...nd.com,
        phil@....cc, claudiajkang@...il.com, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        intel-wired-lan@...ts.osuosl.org, linux-rdma@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, poros@...hat.com,
        mschmidt@...hat.com, linux-clk@...r.kernel.org,
        vadim.fedorenko@...ux.dev
Subject: Re: [RFC PATCH v8 03/10] dpll: core: Add DPLL framework base
 functions

Fri, Jun 09, 2023 at 02:18:46PM CEST, arkadiusz.kubalewski@...el.com wrote:
>From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>

[...]

>+int dpll_device_register(struct dpll_device *dpll, enum dpll_type type,
>+			 const struct dpll_device_ops *ops, void *priv)
>+{
>+	struct dpll_device_registration *reg;
>+	bool first_registration = false;
>+
>+	if (WARN_ON(!ops))
>+		return -EINVAL;
>+	if (WARN_ON(type < DPLL_TYPE_PPS || type > DPLL_TYPE_MAX))
>+		return -EINVAL;
>+
>+	mutex_lock(&dpll_lock);
>+	reg = dpll_device_registration_find(dpll, ops, priv);
>+	if (reg) {
>+		mutex_unlock(&dpll_lock);
>+		return -EEXIST;
>+	}
>+
>+	reg = kzalloc(sizeof(*reg), GFP_KERNEL);
>+	if (!reg) {
>+		mutex_unlock(&dpll_lock);
>+		return -EEXIST;
>+	}
>+	reg->ops = ops;
>+	reg->priv = priv;
>+	dpll->type = type;
>+	first_registration = list_empty(&dpll->registration_list);
>+	list_add_tail(&reg->list, &dpll->registration_list);
>+	if (!first_registration) {
>+		mutex_unlock(&dpll_lock);
>+		return 0;
>+	}
>+
>+	xa_set_mark(&dpll_device_xa, dpll->id, DPLL_REGISTERED);
>+	mutex_unlock(&dpll_lock);
>+	dpll_device_create_ntf(dpll);

This function is introduced in the next patch. Breaks bissection. Make
sure you can compile the code after every patch applied.



>+
>+	return 0;
>+}

[...]