Re: [PATCH v2 0/5] x86,fs/resctrl: Cleanups in preparation for multiple controls support

[Reinette Chatre]

On 10/8/26 9:12 AM, Luck, Tony wrote:
>> The only intended functional change is a reworded informational message
>> printed if an Intel system with non-linear MBA delay values is encountered.
> 
> I set r->membw.delay_linear = false; and booted to check. Console
> message during boot now includes:
> 
> [    7.372455] resctrl: Non-linear MBA delay values not supported
> 
> Attempting to mount resctrl with the mba_MBps option fails (as expected)
> with:
> 
> mount: /sys/fs/resctrl: fsconfig system call failed: resctrl: mba_MBps requires MBM (mbm_event mode not supported) and linear scale MBA at L3 scope.
> 
> I've been using the older versions of these patches from
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/reinette/linux.git resctrl/controls_rfc_v2.4
> 
> and haven't seen any issues.
> 
> 
> Series:
> 
> Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx>
Thank you very much Tony.

Reinette