[PATCH 4/4] arm64: advertise CPU features for modalias matching

Catalin Marinas catalin.marinas at arm.com
Thu Nov 14 10:29:07 EST 2013


On Mon, Nov 11, 2013 at 10:19:35AM +0000, Ard Biesheuvel wrote:
> +ssize_t arch_print_cpu_modalias(struct device *dev,
> +				struct device_attribute *attr,
> +				char *buf)
> +{
> +	unsigned int caps;
> +	ssize_t n;
> +	int i;
> +
> +	/*
> +	 * With 32 features maximum (taking 5 bytes each to print), we don't
> +	 * need to worry about overrunning the PAGE_SIZE sized buffer.
> +	 */
> +	n = sprintf(buf, "cpu:type:arm64:feature:");

I would use "aarch64" here instead of arm64 for consistency with the
architecture mode, compiler triplet and ELF_PLATFORM definition in the
kernel.

-- 
Catalin



More information about the linux-arm-kernel mailing list