Re: [PATCH v8 34/43] arm64: RME: Propagate number of breakpoints and watchpoints to userspace

[Gavin Shan]

On 4/16/25 11:41 PM, Steven Price wrote:
> From: Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx>
>
> The RMM describes the maximum number of BPs/WPs available to the guest
> in the Feature Register 0. Propagate those numbers into ID_AA64DFR0_EL1,
> which is visible to userspace. A VMM needs this information in order to
> set up realm parameters.
>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx>
> Signed-off-by: Steven Price <steven.price@xxxxxxx>
> ---
>   arch/arm64/include/asm/kvm_rme.h |  2 ++
>   arch/arm64/kvm/rme.c             | 22 ++++++++++++++++++++++
>   arch/arm64/kvm/sys_regs.c        |  2 +-
>   3 files changed, 25 insertions(+), 1 deletion(-)

Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>