Re: [PATCH V2 0/7] arm64/hw_breakpoint: Enable FEAT_Debugv8p9

Anshuman Khandual
2024-12-11T08:35:37Z

On 12/10/24 22:29, Mark Rutland wrote:
> On Mon, Oct 28, 2024 at 11:04:19AM +0530, Anshuman Khandual wrote:
>> This series enables FEAT_Debugv8p9 thus extending breakpoint and watchpoint
>> support upto 64. This series is based on v6.12-rc5 although this depends on
>> FEAT_FGT2 FGU series posted earlier, for MDSELR_EL1 handling in various KVM
>> guest configurations.
>>
>> https://lore.kernel.org/all/20241001024356.1096072-1-anshuman.khandual@arm.com/
> To avoid further confusion: since we discussed things further on the v1
> thread after this v2 thread was posted, I'm waiting for a v3 to be
> posted which addresses the comments there (e.g. ID reg field handling,
> mutual exclusion for breakpoint manipulation).

Agreed, although I am still working on the mutual exclusion for breakpoint
manipulation problem. Besides just carved out - MDCR_EL3.[TDS|TPM] related
EL3 boot requirement's document update in a separate series as discussed.