Re: [PATCH v2] MIPS: Limit check_bugs32() to affected platform

From: Thomas Bogendoerfer
Date: Wed Apr 15 2020 - 04:31:51 EST


On Wed, Apr 15, 2020 at 09:48:30AM +0800, Tiezhu Yang wrote:
> On 04/15/2020 01:32 AM, Thomas Bogendoerfer wrote:
> >On Sat, Apr 11, 2020 at 10:32:02AM +0800, Tiezhu Yang wrote:
> >>On 04/11/2020 12:25 AM, Florian Fainelli wrote:
> >>>On 4/9/2020 8:20 PM, Tiezhu Yang wrote:
> >>>>In the current code, check_bugs32() only handles MIPS32 CPU type CPU_34K,
> >>>>it is better to build and call it on the affected platform.
> >>>>
> >>>>Move check_bugs32() to the new added 34k-bugs32.c to indicate the fact that
> >>>>the code is specific to the 34k CPU, and also add CONFIG_CPU_34K_BUGS32 to
> >>>>control whether or not check the bugs.
> >>>>
> >>>>Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
> >>>This is not a whole lot of code, so moving this to a separate
> >>>translation unit seems a bit heavy handed, also file renames, albeit
> >>>tracked properly by git are always a challenge when doing back ports.
> >>Hi Florian,
> >>
> >>There exists the following three ways to do it, I'm fine either way,
> >>maybe the first way looks better. Let us wait for the MIPS maintainer
> >>to say what he prefer.
> >>
> >>Hi Thomas,
> >>
> >>What is your opinion?
> >I don't see a reason for doing that at all. The 34K workaround is only
> >compiled in if CONFIG_SYS_HAS_CPU_MIPS32_R2 is defined.
>
> Hi Thomas,
>
> Thanks for your reply. My initial thought is to build and call check_bugs32() only for 34K CPU,
> because it is useless for other CPU types.
>
> Do you mean to use the following modification?

no, IMHO we don't need to change anything here. There is not much to save
here.

Thomas.

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