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authorLinus Torvalds <torvalds@linux-foundation.org>2024-11-23 10:44:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2024-11-23 10:44:31 -0800
commit42d9e8b7ccddee75989283cf7477305cfe3776ff (patch)
treeb7f8cf87bcc6755cc829d0ca90e8ec90bb58ab16 /Documentation
parent5c00ff742bf5caf85f60e1c73999f99376fb865d (diff)
parent3c592ce7991cdf03bc7d139d790ce58c82c5903b (diff)
Merge tag 'powerpc-6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman: - Rework kfence support for the HPT MMU to work on systems with >= 16TB of RAM. - Remove the powerpc "maple" platform, used by the "Yellow Dog Powerstation". - Add support for DYNAMIC_FTRACE_WITH_CALL_OPS, DYNAMIC_FTRACE_WITH_DIRECT_CALLS & BPF Trampolines. - Add support for running KVM nested guests on Power11. - Other small features, cleanups and fixes. Thanks to Amit Machhiwal, Arnd Bergmann, Christophe Leroy, Costa Shulyupin, David Hunter, David Wang, Disha Goel, Gautam Menghani, Geert Uytterhoeven, Hari Bathini, Julia Lawall, Kajol Jain, Keith Packard, Lukas Bulwahn, Madhavan Srinivasan, Markus Elfring, Michal Suchanek, Ming Lei, Mukesh Kumar Chaurasiya, Nathan Chancellor, Naveen N Rao, Nicholas Piggin, Nysal Jan K.A, Paulo Miguel Almeida, Pavithra Prakash, Ritesh Harjani (IBM), Rob Herring (Arm), Sachin P Bappalige, Shen Lichuan, Simon Horman, Sourabh Jain, Thomas Weißschuh, Thorsten Blum, Thorsten Leemhuis, Venkat Rao Bagalkote, Zhang Zekun, and zhang jiao. * tag 'powerpc-6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (89 commits) EDAC/powerpc: Remove PPC_MAPLE drivers powerpc/perf: Add per-task/process monitoring to vpa_pmu driver powerpc/kvm: Add vpa latency counters to kvm_vcpu_arch docs: ABI: sysfs-bus-event_source-devices-vpa-pmu: Document sysfs event format entries for vpa_pmu powerpc/perf: Add perf interface to expose vpa counters MAINTAINERS: powerpc: Mark Maddy as "M" powerpc/Makefile: Allow overriding CPP powerpc-km82xx.c: replace of_node_put() with __free ps3: Correct some typos in comments powerpc/kexec: Fix return of uninitialized variable macintosh: Use common error handling code in via_pmu_led_init() powerpc/powermac: Use of_property_match_string() in pmac_has_backlight_type() powerpc: remove dead config options for MPC85xx platform support powerpc/xive: Use cpumask_intersects() selftests/powerpc: Remove the path after initialization. powerpc/xmon: symbol lookup length fixed powerpc/ep8248e: Use %pa to format resource_size_t powerpc/ps3: Reorganize kerneldoc parameter names KVM: PPC: Book3S HV: Fix kmv -> kvm typo powerpc/sstep: make emulate_vsx_load and emulate_vsx_store static ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu24
-rw-r--r--Documentation/arch/powerpc/booting.rst4
2 files changed, 26 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu b/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu
new file mode 100644
index 000000000000..8285263ff78d
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu
@@ -0,0 +1,24 @@
+What: /sys/bus/event_source/devices/vpa_pmu/format
+Date: November 2024
+Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
+Description: Read-only. Attribute group to describe the magic bits
+ that go into perf_event_attr.config for a particular pmu.
+ (See ABI/testing/sysfs-bus-event_source-devices-format).
+
+ Each attribute under this group defines a bit range of the
+ perf_event_attr.config. Supported attribute are listed
+ below::
+ event = "config:0-31" - event ID
+
+ For example::
+
+ l1_to_l2_lat = "event=0x1"
+
+What: /sys/bus/event_source/devices/vpa_pmu/events
+Date: November 2024
+Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
+Description: Read-only. Attribute group to describe performance monitoring
+ events for the Virtual Processor Area events. Each attribute
+ in this group describes a single performance monitoring event
+ supported by vpa_pmu. The name of the file is the name of
+ the event (See ABI/testing/sysfs-bus-event_source-devices-events).
diff --git a/Documentation/arch/powerpc/booting.rst b/Documentation/arch/powerpc/booting.rst
index 11aa440f98cc..472e97891aef 100644
--- a/Documentation/arch/powerpc/booting.rst
+++ b/Documentation/arch/powerpc/booting.rst
@@ -93,8 +93,8 @@ given platform based on the content of the device-tree. Thus, you
should:
a) add your platform support as a _boolean_ option in
- arch/powerpc/Kconfig, following the example of PPC_PSERIES,
- PPC_PMAC and PPC_MAPLE. The latter is probably a good
+ arch/powerpc/Kconfig, following the example of PPC_PSERIES
+ and PPC_PMAC. The latter is probably a good
example of a board support to start from.
b) create your main platform file as