Re: [PATCH v5 0/6] arm64: vdso32: Address various issues

[Vincenzo Frascino]

On 07/10/2019 15:15, Will Deacon wrote:
> On Mon, Oct 07, 2019 at 02:54:29PM +0100, Vincenzo Frascino wrote:
>> On 07/10/2019 14:31, Will Deacon wrote:
>>> On Thu, Oct 03, 2019 at 06:48:32PM +0100, Vincenzo Frascino wrote:
>>>> This patch series is meant to address the various compilation issues
>>>> reported recently for arm64 vdso32 [1].
>>>>
>>>> From v4, the series contains a cleanup of lib/vdso Kconfig as well since
>>>> CROSS_COMPILE_COMPAT_VDSO is not required anymore by any architecture.
>>>
>>> I've queued this up as fixes for 5.4, but I ended up making quite a few
>>> additional changes to address some other issues and minor inconsistencies
>>> I ran into. In particular, with my changes, you can now easily build the
>>> kernel with clang but the compat vDSO with gcc. The header files still need
>>> sorting out properly, but I think this is a decent starting point:
>>>
>>> https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/log/?h=for-next/fixes
>>>
>>> Please have a look.
>>>
>>
>> Thank you for letting me know, I will have a look.
> 
> Thanks.
> 
>> I see acked-by Catalin on the patches, did you post them in review somewhere? I
>> could not find them. Sorry
> 
> I pushed them out to a temporary vdso branch on Friday and Catalin looked at
> that. If you'd like me to post them as well, please let me know, although
> I'm keen to get this stuff sorted out by -rc3 without disabling the compat
> vDSO altogether (i.e. [1]). In other words, if you're ok with my changes on
> top of yours then let's go for that, otherwise let's punt this to 5.5 and
> try to fix the header mess at the same time.
> 

No need to repost them. I just got confused by the fact that they got acked and
I could not find them anywhere, hence my question.

I am keen to sort this thing as well, my personal preference is to not disable
compat vdso in 5.4.

I will download your tree, have a look at it and let you know my thoughts.

> Will
> 
> [1] https://lkml.kernel.org/r/20190925130926.50674-1-catalin.marinas@xxxxxxx
> 

-- 
Regards,
Vincenzo

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