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[v1] arm64/hwcap: Add documentation for HBC

Message ID 20230913130502.1044588-1-joey.gouly@arm.com (mailing list archive)
State New, archived
Headers show
Series [v1] arm64/hwcap: Add documentation for HBC | expand

Commit Message

Joey Gouly Sept. 13, 2023, 1:05 p.m. UTC 
Document the HWCAP2_HBC value.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
---

I forgot to document the new HWCAP in the HBC commit.

Based on v6.6-rc1.

 Documentation/arch/arm64/elf_hwcaps.rst | 3 +++
 1 file changed, 3 insertions(+)

Comments

Kristina Martšenko Sept. 13, 2023, 5:34 p.m. UTC | #1 
On 13/09/2023 14:05, Joey Gouly wrote:
> Document the HWCAP2_HBC value.
> 
> Signed-off-by: Joey Gouly <joey.gouly@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> ---
> 
> I forgot to document the new HWCAP in the HBC commit.
> 
> Based on v6.6-rc1.
> 
>  Documentation/arch/arm64/elf_hwcaps.rst | 3 +++
>  1 file changed, 3 insertions(+)

Does Documentation/arch/arm64/cpu-feature-registers.rst also need
updating? Looks like several other fields are already missing for
this register.

Kristina
diff mbox series

Patch

diff --git a/Documentation/arch/arm64/elf_hwcaps.rst b/Documentation/arch/arm64/elf_hwcaps.rst
index 8c8addb4194c..76ff9d7398fd 100644
--- a/Documentation/arch/arm64/elf_hwcaps.rst
+++ b/Documentation/arch/arm64/elf_hwcaps.rst
@@ -305,6 +305,9 @@  HWCAP2_SMEF16F16
 HWCAP2_MOPS
     Functionality implied by ID_AA64ISAR2_EL1.MOPS == 0b0001.
 
+HWCAP2_HBC
+    Functionality implied by ID_AA64ISAR2_EL1.BC == 0b0001.
+
 4. Unused AT_HWCAP bits
 -----------------------