Re: [PATCH RFC] ioctl based CAT interface

Pavel Machek
2015-12-03T21:58:43Z

Hi!
>
> Attached is an early version of the ioctl based CAT interface we
> have been working on.
>
> NOTE: it does not compile, there is no locking, but should
> be sufficient for interested people to comment.
>
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index db3622f..293726b 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -757,6 +757,14 @@ config HPET_EMULATE_RTC
> def_bool y
> depends on HPET_TIMER && (RTC=y || RTC=m || RTC_DRV_CMOS=m || RTC_DRV_CMOS=y)
>
> +config CACHE_RESERVATION
> + tristate "Cache Reservation Support"
> + default n
> + ---help---
> + This feature makes use of Intel's Cache Allocation Technology to allow the
> + reservation of portions of the L3 cache to specific tasks. Please, see
> + Documentation/x86/cache-reservation.txt for more

Including the Documentation/x86/cache-reservation.txt file in the
patch would be nice ;-).
Pavel

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