On Tuesday 23 September 2014 20:44:44 Behan Webster wrote:
> The ASM below does not compile with clang and is not the way that the mcr
> command is used in other parts of the kernel.
>
> arch/arm/mach-vt8500/vt8500.c:72:11: error: invalid % escape in inline
> assembly string
> asm("mcr%? p15, 0, %0, c7, c0, 4" : : "r" (0));
> ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
> 1 error generated.
>
> There are other forms that are supported on different ARM instruction sets but
> generally the kernel just uses mcr as it is supported in all ARM instruction
> sets.
Just for confirm: both forms are actually correct and we don't need this
backported for stable, right?
> Signed-off-by: Behan Webster <beh...@converseincode.com>
> Reviewed-by: Mark Charlebois <charl...@gmail.com>
> Acked-by: Will Deacon <will.dea...@arm.com>
Acked-by: Arnd Bergmann <a...@arndb.de>
Tony, would you like to pick this one up and send it in a pull request
to arm-soc, or should we apply it to fixes-non-critical directly?
Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
