Messages in this thread | | | From | Christophe Leroy <> | Subject | Re: [PATCH v1 4/5] powerpc/44x: Fix build failure with GCC 12 (unrecognized opcode: `wrteei') | Date | Mon, 11 Jul 2022 15:49:22 +0000 |
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Oops, I wanted to include Pali and Segher when I sent the series, I prepared a script including them but used the wrong script at the end.
Le 11/07/2022 à 17:05, Arnd Bergmann a écrit : > On Mon, Jul 11, 2022 at 4:19 PM Christophe Leroy > <christophe.leroy@csgroup.eu> wrote: >> @@ -183,6 +183,18 @@ config 405_CPU >> bool "40x family" >> depends on 40x >> >> +config 440_CPU >> + bool "440 (44x family)" >> + depends on 44x >> + >> +config 464_CPU >> + bool "464 (44x family)" >> + depends on 44x >> + >> +config 476_CPU >> + bool "476 (47x family)" >> + depends on PPC_47x > > Is there any value in building for -mcpu=440 or -mcpu=464 when targeting a 476?
No idea, maybe not.
> Maybe add another !PPC_47x dependency for the first two. Ideally we would also > enforce that 440/464 based boards cannot be selected together with 476, though > I guess that is a separate issue.
Yes can do that.
By the way, 440/464 boards get excluded from kernel/cputable.c when 47x is selected
> > Is there a practical difference between 440 and 464 when building kernels? > gcc seems to treat them the same way, so maybe one option for both is enough > here. >
I don't know.
Christophe | |