Messages in this thread | | | Date | Tue, 21 Mar 2023 09:44:57 -0700 | Subject | Re: [PATCH v4 0/8] perf: arm: Make PMUv3 driver available for aarch32 | From | Florian Fainelli <> |
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On 3/17/23 12:50, Zaid Al-Bassam wrote: > Currently, PMUv3 driver is only available for ARMv8 aarch64 platforms, > ARMv8 platorms running in aarch32 mode dont have access to the driver. > This is, especially, a problem for ARMv8 platforms that only have > aarch32 support, like the Cortex-A32. > > Make the PMUv3 driver available to arm arch (ARMv8 aarch32) by moving > the PMUv3 driver from arm64 to drivers, that makes the driver common > to both arm and arm64 architectures, then add PMUv3 arm Support. > > The main work in this patchset was made a while back by Marc Zyngier > in [1]. Patchset version 1 [v1] rebases Marc's patches to the latest > kernel revision and adds additional patches to accommodate the changes > in the kernel since Marc wrote the patches. > > version 2 [v2] of the patchset was created by Marc Zyngier and I > picked it up from [2]. > > Changes in v2: > - Flattened the nested switches in the arm_pmuv3.h for arm. > - Removed wrappers and added stubs for the PMU KVM functions for arm. > - Added PMU version abstractions. > > Changes in v3: > - Removed the link tag from the commit messages. > - Fixed the license header in the arm_pmuv3.h files. > > Changes in v4: > - Rebased to 6.3.0-rc2 (Clean rebase) > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=kvm-arm/pmuv3-32bit > [2] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=arm/pmuv3 > > [v1] https://lore.kernel.org/all/20230126204444.2204061-1-zalbassam@google.com/ > [v2] https://lore.kernel.org/all/20230210165500.2292608-1-zalbassam@google.com/ > [v3] https://lore.kernel.org/all/20230213210319.1075872-1-zalbassam@google.com/ > > Thank you, > Zaid Al-Bassam
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
on Cortex-A53 and Cortex-A72, thanks! -- Florian
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