Re: [PATCHv6 0/3] arm64: perf: Add support for ARMv8.5-PMU 64-bit counters

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Mar 17, 2020 at 11:14:31PM +0000, Will Deacon wrote:
> On Mon, Mar 02, 2020 at 06:17:49PM +0000, Mark Rutland wrote:
> > This is a respin of Andrew Murray's series to enable support for 64-bit
> > counters as introduced in ARMv8.5.
> > 
> > I've given this a spin on (ARMv8.2) hardware, to test that there are no
> > regressions, but I have not had the chance to test in an ARMv8.5 model (which I
> > beleive Andrew had previously tested).
> > 
> > Since v5 [1]:
> > * Don't treat perfmon ID fields as signed
> > * Fix up ID field names
> > * Explicitly compare ARMV8.5 PMU value
> 
> I'm betting on your issue being a model bug, so I've queued this on top of
> Robin's enable/disable rework. Please take a look at for-next/perf [1] in
> case I screwed it up.

>From a cursory review, that all looks good to me.

I'll poke if the issue turns out to be anything beyond a model bug. but
I agree it seems that's all it is.

Thanks,
Mark.

> 
> Thanks,
> 
> Will
> 
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git/log/?h=for-next/perf
_______________________________________________
kvmarm mailing list
kvmarm@xxxxxxxxxxxxxxxxxxxxx
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm



[Index of Archives]     [Linux KVM]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux