diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-09-11 13:15:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-09-11 13:15:13 -0700 |
| commit | 827751b699b79a6e569983359c02dce67f81b94c (patch) | |
| tree | bb42ac375bb79d1ad6f73c5c6ef1bec0fae21e7b /Documentation | |
| parent | 1235ff329981ecde9ccbf49b83bd4d71e827d541 (diff) | |
| parent | b94cec5761d22624d109d859467d7d4ce0a1b88b (diff) | |
Merge tag 'riscv-for-linus-7.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"From a RISC-V point of view, there's one notable fix here, reverting
an earlier bogus fix to the pointer masking code. Fortunately the
practical impact appears to be small.
- Revert a bad fix, likely LLM-generated, in the pointer masking code
that confused the RISC-V hardware pointer masking implementation
with the Linux kernel tagged address feature
- Fix unexpected faults caused by kprobe instruction slot writes when
!CONFIG_STRICT_MODULE_RWX
- Fix unexpected faults on minimal configurations during runtime code
patching on !CONFIG_STRICT_MODULE_RWX systems
- Fix a misplaced variable clear causing incorrect reuse of previous
values in the RISC-V hardware feature probing code
- Fix two bugs in the PMU SBI perf code on rv32: use BIT_ULL rather
than BIT on 64-bit masks; and use a bitmap rather than an unsigned
long on a quantity that can exceed 32 bits
And a few miscellaneous cleanups:
- Avoid a potential dereference-before-NULL-pointer-check bug in the
PMU SBI perf driver
- Use CONFIG_GENERIC_BUG_RELATIVE_POINTERS to simplify the rv32 bug
table code (like x86 and PPC)
- Report the RISC-V standard ISA extensions Z[v]fhmin when support is
claimed for the superset RISC-V standard ISA extensions Z[v]fh; and
simplify our FPU test code to only check for the presence of the D
extension
- Use an existing kernel string helper in place of some open-coded
code in kernel/usercfi.c
- Fix some yamllint issues in the RISC-V DT bindings for CPUs
- Convert one use of __ASSEMBLY__ to __ASSEMBLER__ that snuck into
the RISC-V CFI selftest code
- Update the translation for the simplified Chinese translation of
the RISC-V kernel patch acceptance policy"
* tag 'riscv-for-linus-7.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: skip software algning code for HAVE_EFFICIENT_UNALIGNED_ACCESS
kselftest/riscv: Replace __ASSEMBLY__ with __ASSEMBLER__
docs/zh_CN: Update arch/riscv/patch-acceptance.rst translation
dt-bindings: riscv: cpus: Fix yamllint style issues
riscv: hwprobe: simplify has_fpu() to check D extension only
perf: RISC-V: check cpu_hw_evt before dereference in overflow IRQ
riscv: report Zfhmin/Zvfhmin when Zfh/Zvfh are present
perf: RISC-V: store available counter mask as bitmap
perf: RISC-V: use BIT_ULL for u64 overflow masks
riscv: bug: Make RV32 use GENERIC_BUG_RELATIVE_POINTERS
riscv: hwprobe: initialize pair->value in hwprobe_one_pair()
riscv: use string helper in setup_global_riscv_enable()
Revert "riscv: Reset pmm when PR_TAGGED_ADDR_ENABLE is not set"
riscv: patch: skip fixmap mapping when kernel text is already writable
riscv: mm: make EXECMEM_KPROBES writable without CONFIG_STRICT_MODULE_RWX
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/arch/riscv/hwprobe.rst | 8 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/riscv/cpus.yaml | 8 | ||||
| -rw-r--r-- | Documentation/translations/zh_CN/arch/riscv/patch-acceptance.rst | 46 |
3 files changed, 43 insertions, 19 deletions
diff --git a/Documentation/arch/riscv/hwprobe.rst b/Documentation/arch/riscv/hwprobe.rst index 893e1a1215d2..bb1e0cbab36f 100644 --- a/Documentation/arch/riscv/hwprobe.rst +++ b/Documentation/arch/riscv/hwprobe.rst @@ -155,7 +155,8 @@ The following keys are defined: defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. * :c:macro:`RISCV_HWPROBE_EXT_ZFH`: The Zfh extension version 1.0 is supported - as defined in the RISC-V ISA manual. + as defined in the RISC-V ISA manual. Zfh is a superset of Zfhmin, so + RISCV_HWPROBE_EXT_ZFHMIN is reported whenever RISCV_HWPROBE_EXT_ZFH is. * :c:macro:`RISCV_HWPROBE_EXT_ZFHMIN`: The Zfhmin extension version 1.0 is supported as defined in the RISC-V ISA manual. @@ -164,8 +165,9 @@ The following keys are defined: is supported as defined in the RISC-V ISA manual. * :c:macro:`RISCV_HWPROBE_EXT_ZVFH`: The Zvfh extension is supported as - defined in the RISC-V Vector manual starting from commit e2ccd0548d6c - ("Remove draft warnings from Zvfh[min]"). + defined in the RISC-V Vector manual starting from commit e2ccd0548d6c + ("Remove draft warnings from Zvfh[min]"). Zvfh is a superset of Zvfhmin, + so RISCV_HWPROBE_EXT_ZVFHMIN is reported whenever RISCV_HWPROBE_EXT_ZVFH is. * :c:macro:`RISCV_HWPROBE_EXT_ZVFHMIN`: The Zvfhmin extension is supported as defined in the RISC-V Vector manual starting from commit e2ccd0548d6c diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml index 5feeb2203050..0da219ae6769 100644 --- a/Documentation/devicetree/bindings/riscv/cpus.yaml +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml @@ -117,8 +117,8 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32 description: VLEN/8, the vector register length in bytes. This property is required on - thead systems where the vector register length is not identical on all harts, or - the vlenb CSR is not available. + thead systems where the vector register length is not identical on all + harts, or the vlenb CSR is not available. # RISC-V has multiple properties for cache op block sizes as the sizes # differ between individual CBO extensions @@ -151,8 +151,8 @@ anyOf: - riscv,isa-base dependencies: - riscv,isa-base: [ "riscv,isa-extensions" ] - riscv,isa-extensions: [ "riscv,isa-base" ] + riscv,isa-base: ["riscv,isa-extensions"] + riscv,isa-extensions: ["riscv,isa-base"] required: - interrupt-controller diff --git a/Documentation/translations/zh_CN/arch/riscv/patch-acceptance.rst b/Documentation/translations/zh_CN/arch/riscv/patch-acceptance.rst index c8eb230ca8ee..20b91d0433a9 100644 --- a/Documentation/translations/zh_CN/arch/riscv/patch-acceptance.rst +++ b/Documentation/translations/zh_CN/arch/riscv/patch-acceptance.rst @@ -15,19 +15,41 @@ arch/riscv 开发者维护指南 概述 ---- -RISC-V指令集体系结构是公开开发的: +RISC-V 指令集体系结构是公开开发的: 正在进行的草案可供所有人查看和测试实现。新模块或者扩展草案可能会在开发过程中发 -生更改---有时以不兼容的方式对以前的草案进行更改。这种灵活性可能会给RISC-V Linux -维护者带来挑战。Linux开发过程更喜欢经过良好检查和测试的代码,而不是试验代码。我 -们希望推广同样的规则到即将被内核合并的RISC-V相关代码。 +生更改 --- 有时以不兼容的方式对以前的草案进行更改。这种灵活性可能会给 RISC-V +Linux 维护者带来挑战。Linux 维护者不赞成频繁的变更,且 Linux 开发过程更喜欢经过 +良好检查和测试的代码,而不是试验代码。我们希望推广同样的规则到即将被内核合并的 +RISC-V 相关代码。 + +Patchwork +--------- + +RISC-V 有一个 patchwork 实例,可以在那里查看补丁的状态: + + https://patchwork.kernel.org/project/linux-riscv/list/ + +如果你的补丁不在默认视图中出现,那么 RISC-V 维护者很有可能已要求修改,或者希望 +将其应用到另一个代码树上。 + +自动化流程会在该 patchwork 实例上运行,在每个补丁到达时立刻对其进行构建/测试。 +自动化流程会根据补丁是否被识别为修复,选用 RISC-V `for-next` 或 `fixes` 分支 +当前的 HEAD;若上述均应用失败,则使用 RISC-V `master` 分支。补丁系列被应用到的具 +体提交将标注在 patchwork 上。任何检查未通过的补丁通常不会被应用,并且在大多数情 +况下将需要重新提交。 附加的提交检查单 ---------------- -我们仅接受相关标准已经被RISC-V基金会标准为“已批准”或“已冻结”的扩展或模块的补丁。 -(开发者当然可以维护自己的Linux内核树,其中包含所需代码扩展草案的代码。) - -此外,RISC-V规范允许爱好者创建自己的自定义扩展。这些自定义拓展不需要通过RISC-V -基金会的任何审核或批准。为了避免将爱好者一些特别的RISC-V拓展添加进内核代码带来 -的维护复杂性和对性能的潜在影响,我们将只接受RISC-V基金会正式冻结或批准的的扩展 -补丁。(开发者当然可以维护自己的Linux内核树,其中包含他们想要的任何自定义扩展 -的代码。) +我们仅接受针对新模块或扩展的补丁,前提是这些模块或扩展的规范被列为未来不太可能发 +生不兼容的变更。对于来自 RISC-V 基金会的规范,这意味着“已冻结”或“已批准”,对于 +UEFI 论坛的规范,这意味着已发布的 ECR。(开发者当然可以维护自己的 Linux 内核树, +其中包含他们所需的任何扩展草案的代码。) + +此外,RISC-V 规范允许实现者创建自己的自定义扩展。这些自定义扩展不需要通过 RISC-V +基金会的任何审核或批准流程。为了避免因添加实现者特定的 RISC-V 扩展带来的维护复杂 +性和对性能的潜在影响,我们将只考虑符合以下任一条件的扩展补丁: + +- 已由 RISC-V 基金会正式冻结或批准 +- 已按照标准 Linux 惯例,在广泛可用的硬件中实现 + +(实现者当然可以维护自己的 Linux 内核树,其中包含他们所需的任何自定义扩展的代码。) |
