Re: [PATCH v4 07/16] riscv: Add B to hwcap and hwprobe

[Conor Dooley]

On Thu, Jun 11, 2026 at 04:12:44PM -0400, Guodong Xu wrote:
> From: Andrew Jones <andrew.jones@xxxxxxxxxxxxxxxx>
> 
> Add B to hwcap and ensure when B is present that Zba, Zbb, and Zbs
> are all set. Also expose B via hwprobe (RISCV_HWPROBE_EXT_B in
> RISCV_HWPROBE_KEY_IMA_EXT_1) so that userspace can probe B directly,
> mirroring the F/D/C/V pattern where each is reported via both hwcap
> and hwprobe.
> 
> Signed-off-by: Andrew Jones <andrew.jones@xxxxxxxxxxxxxxxx>
> [Add B to hwprobe]
> Signed-off-by: Guodong Xu <docular.xu@xxxxxxxxx>

Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

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