Re: [PATCH v2] powerpc: Add POWER9 architected mode to cputable

Daniel Axtens [off-list ref] writes:

Hi Russell,

This seems to go Power8, Power9, Power7 - is that intentional?

Regards,
Daniel

quoted

 		.platform		= "power8",

...

quoted

+		.platform		= "power9",

...

quoted

 	{	/* Power7 */

It's because we have the architected PVRs and the raw ones, and the
ordering is a bit odd:

$ grep -n -e '(architected)' -e '(raw)' arch/powerpc/kernel/cputable.c
323:		.cpu_name		= "POWER6 (raw)",
343:		.cpu_name		= "POWER6 (architected)",
356:		.cpu_name		= "POWER7 (architected)",
374:		.cpu_name		= "POWER8 (architected)",
392:		.cpu_name		= "POWER9 (architected)",
411:		.cpu_name		= "POWER7 (raw)",
431:		.cpu_name		= "POWER7+ (raw)",
451:		.cpu_name		= "POWER8E (raw)",
471:		.cpu_name		= "POWER8NVL (raw)",
491:		.cpu_name		= "POWER8 (raw)",
511:		.cpu_name		= "POWER8 (raw)",
531:		.cpu_name		= "POWER9 (raw)",
550:		.cpu_name		= "POWER9 (raw)",

But I don't think it matters in practice. The architected entries use a
pvr_mask of 0xffffffff so it has to be an exact match.

cheers