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authorAlexandre Ghiti <alexghiti@rivosinc.com>2025-04-21 16:14:13 +0200
committerPalmer Dabbelt <palmer@dabbelt.com>2025-06-05 11:10:18 -0700
commit415a8c81da3dab0a585bd4f8d505a11ad5a171a7 (patch)
tree0492aa181e7b85aaee7f800d40d9f204c70e7e67 /Documentation
parentriscv: Make regs_irqs_disabled() more clear (diff)
downloadlinux-rng-415a8c81da3dab0a585bd4f8d505a11ad5a171a7.tar.xz
linux-rng-415a8c81da3dab0a585bd4f8d505a11ad5a171a7.zip
riscv: hwprobe: export Zabha extension
Export Zabha through the hwprobe syscall. Reviewed-by: Clément Léger <cleger@rivosinc.com> Link: https://lore.kernel.org/r/20250421141413.394444-1-alexghiti@rivosinc.com Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/arch/riscv/hwprobe.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/arch/riscv/hwprobe.rst b/Documentation/arch/riscv/hwprobe.rst
index f60bf5991755..a4998ad2dfe0 100644
--- a/Documentation/arch/riscv/hwprobe.rst
+++ b/Documentation/arch/riscv/hwprobe.rst
@@ -271,6 +271,10 @@ The following keys are defined:
* :c:macro:`RISCV_HWPROBE_EXT_ZICBOM`: The Zicbom extension is supported, as
ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
+ * :c:macro:`RISCV_HWPROBE_EXT_ZABHA`: The Zabha extension is supported as
+ ratified in commit 49f49c842ff9 ("Update to Rafified state") of
+ riscv-zabha.
+
* :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: Deprecated. Returns similar values to
:c:macro:`RISCV_HWPROBE_KEY_MISALIGNED_SCALAR_PERF`, but the key was
mistakenly classified as a bitmask rather than a value.