[PATCH 02/30] ARM: assembler: introduce adr_l, ldr_l and str_l macros

Nicolas Pitre nicolas.pitre at linaro.org
Mon Aug 14 09:18:59 PDT 2017


On Mon, 14 Aug 2017, Dave Martin wrote:

> On Mon, Aug 14, 2017 at 04:38:02PM +0100, Ard Biesheuvel wrote:
> > That's a trick, actually, which I failed to add a comment for.

Shame shame shame !

> > We use .arm sections in the thumb2 kernel, and using these macros
> > there would result in the wrong offset to be used. Adding the .w
> > suffix forces an error in the assembler which even results in a fairly
> > meaningful error message complaining about using .w in ARM code.
> 
> Ewww... I think it'd be best to add a comment explaining that.

Absolutely!


Nicolas



More information about the linux-arm-kernel mailing list