linux-kernel - Re: WIP generic module->debug_flags and dynamic

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Message-ID: <2024b2594378686f24279488f0d80ad8f13a9181.camel@perches.com>
Date:   Wed, 10 Jun 2020 13:24:54 -0700
From:   Joe Perches <joe@...ches.com>
To:     jim.cromie@...il.com,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jason Baron <jbaron@...mai.com>,
        Randy Dunlap <rdunlap@...radead.org>
Subject: Re: WIP generic module->debug_flags and dynamic_debug

On Wed, 2020-06-10 at 12:32 -0600, jim.cromie@...il.com wrote:
> so Ive got a WIP / broken / partial approach to giving all modules a
> u32 flagset,
> and enabling pr_debug based upon it.  I leave out the "pr_debug_typed(
> bitpos )" for now.  For Stanimir, bits 1,2,3 could be high, middle,
> low.

Can you change this please to be a pointer to an unsigned long/int?

That way, existing non-dynamic debug uses like

MODULE_PARM_DESC(debug, "module specific debug control");

maybe could use the same mechanism to enable/disable by class.