linux-kernel - Re: [PATCH 04/19] x86, mpx: cleanup: do not pass task around when unnecessary

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Message-ID: <alpine.DEB.2.11.1505182236570.4225@nanos>
Date:	Mon, 18 May 2015 22:38:03 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Dave Hansen <dave@...1.net>
cc:	linux-kernel@...r.kernel.org, x86@...nel.org,
	dave.hansen@...ux.intel.com, oleg@...hat.com, bp@...en8.de
Subject: Re: [PATCH 04/19] x86, mpx: cleanup: do not pass task around when
 unnecessary

On Fri, 8 May 2015, Dave Hansen wrote:
> The MPX code can largely only work on the current task.  You can

s/largely// ?

> not, for instance, enable MPX management in another process or
> thread.  You can also not handle a fault for another process
> or thread.
> 
> Despite this, we pass a task_struct around prolifically.  This
> patch removes all of the task struct passing for code paths
> where the code can not deal with another task (which turns out
> to be all of them).
> 
> This has no functional changes.  It's just a cleanup.

See also reply to previous patch.

Thanks,

	tglx

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