Re: [PATCH V9 00/10] arm64/perf: Enable branch stack sampling

[Will Deacon]

Hi Anshuman

On Wed, Mar 15, 2023 at 10:44:34AM +0530, Anshuman Khandual wrote:
> This series enables perf branch stack sampling support on arm64 platform
> via a new arch feature called Branch Record Buffer Extension (BRBE). All
> relevant register definitions could be accessed here.
> 
> https://developer.arm.com/documentation/ddi0601/2021-12/AArch64-Registers
> 
> This series applies on 6.3-rc1 after applying the following patch from Mark
> which allows enums in SysregFields blocks in sysreg tools.
> 
> https://lore.kernel.org/all/20230306114836.2575432-1-mark.rutland@xxxxxxx/

As mentioned by Mark at:

https://lore.kernel.org/r/ZB2sGrsbr58ttoWI@FVFF77S0Q05N

this conflicts with supporting PMUv3 on AArch32. Please can you rebase onto
for-next/perf, which will mean moving this driver back into drivers/perf/
now?

Thanks,

Will