Re: [PATCH v3 0/2] perf: arm64: Kernel support for Dwarf unwinding through SVE functions

James Clark
2022-09-23T12:44:25Z

On 23/09/2022 13:36, Will Deacon wrote:
> On Fri, Sep 23, 2022 at 10:32:15AM +0100, James Clark wrote:
>>
>>
>> On 22/09/2022 21:33, Will Deacon wrote:
>>> On Thu, 1 Sep 2022 14:26:56 +0100, James Clark wrote:
>>>> I'm resubmitting this with a few of the changes suggested by Will on V2.
>>>>
>>>> I haven't made any changes regarding the open questions about the
>>>> discoverability or saving the new reg and passing to output_sample()
>>>> because I think it's best to be consistent with the implementations on
>>>> other platforms first. I have explained in more detail on v2 [1].
>>>>
>>>> [...]
>>>
>>> Applied to will (for-next/perf), thanks!
>>>
>>> [1/2] perf: arm64: Add SVE vector granule register to user regs
>>> https://git.kernel.org/will/c/cbb0c02caf4b
>>> [2/2] arm64/sve: Add Perf extensions documentation
>>> https://git.kernel.org/will/c/1f2906d1e10a
>>>
>>> Cheers,
>>
>> Thanks Will. Sorry about the build, I will fix my config for next time.
>
> No problem. For some reason, I was unable to repro the failure locally.
> Maybe it's a GCC thing?

For me I needed CONFIG_HEADERS_INSTALL and CONFIG_UAPI_HEADER_TEST to
reproduce it. I was already using gcc, so not sure if it's depends on
that or not.

>
> Will