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author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-25 22:14:08 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-25 22:14:08 +0300 |
commit | 01687e7c935ef70eca69ea2d468020bc93e898dc (patch) | |
tree | 2e615dec7e27f6cc9895b8efcb93646a990b709f /Documentation/devicetree | |
parent | d0a32f5520a33e7f2ace396db6913625e0d29544 (diff) | |
parent | eb9be8310c58c166f9fae3b71c0ad9d6741b4897 (diff) | |
download | linux-01687e7c935ef70eca69ea2d468020bc93e898dc.tar.xz |
Merge tag 'riscv-for-linus-6.3-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
"There's a bunch of fixes/cleanups throughout the tree as usual, but we
also have a handful of new features:
- Various improvements to the extension detection and alternative
patching infrastructure
- Zbb-optimized string routines
- Support for cpu-capacity in the RISC-V DT bindings
- Zicbom no longer depends on toolchain support
- Some performance and code size improvements to ftrace
- Support for ARCH_WANT_LD_ORPHAN_WARN
- Oops now contain the faulting instruction"
* tag 'riscv-for-linus-6.3-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (67 commits)
RISC-V: add a spin_shadow_stack declaration
riscv: mm: hugetlb: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
riscv: Add header include guards to insn.h
riscv: alternative: proceed one more instruction for auipc/jalr pair
riscv: Avoid enabling interrupts in die()
riscv, mm: Perform BPF exhandler fixup on page fault
RISC-V: take text_mutex during alternative patching
riscv: hwcap: Don't alphabetize ISA extension IDs
RISC-V: fix ordering of Zbb extension
riscv: jump_label: Fixup unaligned arch_static_branch function
RISC-V: Only provide the single-letter extensions in HWCAP
riscv: mm: fix regression due to update_mmu_cache change
scripts/decodecode: Add support for RISC-V
riscv: Add instruction dump to RISC-V splats
riscv: select ARCH_WANT_LD_ORPHAN_WARN for !XIP_KERNEL
riscv: vmlinux.lds.S: explicitly catch .init.bss sections from EFI stub
riscv: vmlinux.lds.S: explicitly catch .riscv.attributes sections
riscv: vmlinux.lds.S: explicitly catch .rela.dyn symbols
riscv: lds: define RUNTIME_DISCARD_EXIT
RISC-V: move some stray __RISCV_INSN_FUNCS definitions from kprobes
...
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/arm/cpus.yaml | 2 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/cpu/cpu-capacity.txt (renamed from Documentation/devicetree/bindings/arm/cpu-capacity.txt) | 4 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/riscv/cpus.yaml | 6 |
3 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml index 0e6b182c8a90..c145f6a035ee 100644 --- a/Documentation/devicetree/bindings/arm/cpus.yaml +++ b/Documentation/devicetree/bindings/arm/cpus.yaml @@ -259,7 +259,7 @@ properties: capacity-dmips-mhz: description: - u32 value representing CPU capacity (see ./cpu-capacity.txt) in + u32 value representing CPU capacity (see ../cpu/cpu-capacity.txt) in DMIPS/MHz, relative to highest capacity-dmips-mhz in the system. diff --git a/Documentation/devicetree/bindings/arm/cpu-capacity.txt b/Documentation/devicetree/bindings/cpu/cpu-capacity.txt index cc5e190390b7..f28e1adad428 100644 --- a/Documentation/devicetree/bindings/arm/cpu-capacity.txt +++ b/Documentation/devicetree/bindings/cpu/cpu-capacity.txt @@ -1,12 +1,12 @@ ========================================== -ARM CPUs capacity bindings +CPU capacity bindings ========================================== ========================================== 1 - Introduction ========================================== -ARM systems may be configured to have cpus with different power/performance +Some systems may be configured to have cpus with different power/performance characteristics within the same chip. In this case, additional information has to be made available to the kernel for it to be aware of such differences and take decisions accordingly. diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml index a2884e3113da..001931d526ec 100644 --- a/Documentation/devicetree/bindings/riscv/cpus.yaml +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml @@ -114,6 +114,12 @@ properties: List of phandles to idle state nodes supported by this hart (see ./idle-states.yaml). + capacity-dmips-mhz: + description: + u32 value representing CPU capacity (see ../cpu/cpu-capacity.txt) in + DMIPS/MHz, relative to highest capacity-dmips-mhz + in the system. + required: - riscv,isa - interrupt-controller |