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From: nicolas.pitre@linaro.org (Nicolas Pitre)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC] ARM: option for loading modules into vmalloc area
Date: Wed, 19 Nov 2014 11:59:18 -0500 (EST)	[thread overview]
Message-ID: <alpine.LFD.2.11.1411191158010.11690@knanqh.ubzr> (raw)
In-Reply-To: <20141119165517.GL4042@n2100.arm.linux.org.uk>

On Wed, 19 Nov 2014, Russell King - ARM Linux wrote:

> On Wed, Nov 19, 2014 at 05:38:57PM +0100, Ard Biesheuvel wrote:
> > Numbers are disambiguated by the f and b suffixes, so they can be
> > reused in the same .s file. So as long as you use a strictly numerical
> > prefix, you can deal correctly with the case where, for instance,
> > do_div() is called twice in the same compilation unit, and still not
> > clash with other inline asm
> 
> What's not particularly nice though is to hide these in a macro,
> which itself may be part of a larger macro or code fragment also
> using small numbers.
> 
> We probably ought to be a bit more inteligent about how we choose
> these numbers inside macros, rather than just randomly picking some
> and hoping that they don't clash.

Maybe in this case, the macro content is so simple that labels are not 
warranted?  Getting away without them certainly solves the issue.


Nicolas

  reply	other threads:[~2014-11-19 16:59 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-18 16:21 [PATCH RFC] ARM: option for loading modules into vmalloc area Konstantin Khlebnikov
2014-11-18 17:34 ` Russell King - ARM Linux
2014-11-18 18:13   ` Konstantin Khlebnikov
2014-11-19 13:40     ` Arnd Bergmann
2014-11-19 14:54       ` Ard Biesheuvel
2014-11-19 15:52         ` Konstantin Khlebnikov
2014-11-19 16:02           ` Ard Biesheuvel
2014-11-19 16:07             ` Russell King - ARM Linux
2014-11-19 16:25               ` Ard Biesheuvel
2014-11-19 16:32                 ` Konstantin Khlebnikov
2014-11-19 16:38                   ` Ard Biesheuvel
2014-11-19 16:55                     ` Russell King - ARM Linux
2014-11-19 16:59                       ` Nicolas Pitre [this message]
2014-11-19 16:41                 ` Russell King - ARM Linux
2014-11-19 16:37               ` Nicolas Pitre
2014-11-19 16:41                 ` Ard Biesheuvel
2014-11-19 16:49                 ` Russell King - ARM Linux
2014-11-19 16:57                   ` Nicolas Pitre
2014-11-19 16:59                     ` Russell King - ARM Linux
2014-11-19 17:12                       ` Nicolas Pitre
2014-11-19 17:59                         ` Ard Biesheuvel
2014-11-19 18:22                           ` Nicolas Pitre

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