Re: [PATCH v1 03/16] powerpc/32: move LOAD_MSR_KERNEL() into head_32.h and use it
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2019-02-11 01:03:00
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On Fri, 2019-02-08 at 12:52 +0000, Christophe Leroy wrote:
/* + * MSR_KERNEL is > 0x8000 on 4xx/Book-E since it include MSR_CE. + */ +.macro __LOAD_MSR_KERNEL r, x +.if \x >= 0x8000 + lis \r, (\x)@h + ori \r, \r, (\x)@l +.else + li \r, (\x) +.endif +.endm +#define LOAD_MSR_KERNEL(r, x) __LOAD_MSR_KERNEL r, x +
You changed the limit from >= 0x10000 to >= 0x8000 without a corresponding explanation as to why... Ben.