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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-07-29 20:05:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-07-29 20:05:06 -0700 |
| commit | 98e8f2c0e0930feee6a2538450c74d9d7de0a9cc (patch) | |
| tree | 24761f8ebbc34e6db6a5064e6e193aba825b2f5a /arch/x86/include/asm/msr-index.h | |
| parent | e12ac84acc722f06e8b1be66fbb138c5934aaf54 (diff) | |
| parent | f12682148262aa6deed32c0593c67658573d0600 (diff) | |
| download | linux-next-98e8f2c0e0930feee6a2538450c74d9d7de0a9cc.tar.gz linux-next-98e8f2c0e0930feee6a2538450c74d9d7de0a9cc.zip | |
Merge tag 'x86-platform-2025-07-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Ingo Molnar:
"This adds support for the AMD hardware feedback interface (HFI), by
Perry Yuan"
* tag 'x86-platform-2025-07-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/itmt: Add debugfs file to show core priorities
platform/x86/amd: hfi: Add debugfs support
platform/x86/amd: hfi: Set ITMT priority from ranking data
cpufreq/amd-pstate: Disable preferred cores on designs with workload classification
x86/process: Clear hardware feedback history for AMD processors
platform/x86: hfi: Add power management callback
platform/x86: hfi: Add online and offline callback support
platform/x86: hfi: Init per-cpu scores for each class
platform/x86: hfi: Parse CPU core ranking data from shared memory
platform/x86: hfi: Introduce AMD Hardware Feedback Interface Driver
x86/msr-index: Add AMD workload classification MSRs
MAINTAINERS: Add maintainer entry for AMD Hardware Feedback Driver
Documentation/x86: Add AMD Hardware Feedback Interface documentation
Diffstat (limited to 'arch/x86/include/asm/msr-index.h')
| -rw-r--r-- | arch/x86/include/asm/msr-index.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 2d5595bdfa27..7490bb5c0776 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -733,6 +733,11 @@ #define MSR_AMD64_PERF_CNTR_GLOBAL_CTL 0xc0000301 #define MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR 0xc0000302 +/* AMD Hardware Feedback Support MSRs */ +#define MSR_AMD_WORKLOAD_CLASS_CONFIG 0xc0000500 +#define MSR_AMD_WORKLOAD_CLASS_ID 0xc0000501 +#define MSR_AMD_WORKLOAD_HRST 0xc0000502 + /* AMD Last Branch Record MSRs */ #define MSR_AMD64_LBR_SELECT 0xc000010e |