Re: [PATCH v7 03/10] x86,fs/resctrl: Detect io_alloc feature

[Reinette Chatre]

Hi Babu,

On 7/10/25 10:16 AM, Babu Moger wrote:
> Smart Data Cache Injection (SDCI) is a mechanism that enables direct
> insertion of data from I/O devices into the L3 cache. It can reduce the
> demands on DRAM bandwidth and reduces latency to the processor consuming
> the I/O data.
> 
> Introduce cache resource property "io_alloc_capable" that an architecture
> can set if a portion of the cache can be allocated for I/O traffic.
> 
> Set this property on x86 systems that support SDCIAE (L3 Smart Data Cache
> Injection Allocation Enforcement). This property is set only for the L3
> cache resource on systems that support SDCIAE.
> 
> Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
> ---

Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>

Reinette