linux-kernel - Re: [RFC 3/3] irq: Privatize irq_common_data::state_use

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:	Mon, 14 Dec 2015 16:59:45 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Boqun Feng <boqun.feng@...il.com>
cc:	Peter Zijlstra <peterz@...radead.org>,
	linux-sparse@...r.kernel.org, linux-kernel@...r.kernel.org,
	Christopher Li <sparse@...isli.org>,
	"Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
	Josh Triplett <josh@...htriplett.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Lai Jiangshan <jiangshanlai@...il.com>,
	Andy Whitcroft <apw@...onical.com>,
	Joe Perches <joe@...ches.com>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Marc Zyngier <marc.zyngier@....com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Brian Norris <computersforpeace@...il.com>
Subject: Re: [RFC 3/3] irq: Privatize irq_common_data::state_use_accessors

On Mon, 14 Dec 2015, Boqun Feng wrote:
> Probably something like this(untested, only run "make kernel/irq/")?
> 
> Subject: [RFC v2 3/3] irq: Privatize irq_common_data::state_use_accessors
> 
> According to Peter Zijlstra, irq_common_data::state_use_accessors is not
> designed for public use. Therefore make it private so that people who
> write code accessing it directly will get blamed by sparse.
> 
> Also macro __irqd_to_state() is for _designed_ accesses to irq_data's
> state only, it's better to limit its scope, therefore put all its
> callers together and #undef it after use.

That exposes the set/clr functions to the global header file, while
today those are restricted to the core internals header. There is a
reason why I did not make them public ....

Thanks,

	tglx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/