From: "Moger, Babu" <babu.moger@amd.com>
To: Reinette Chatre <reinette.chatre@intel.com>,
corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com,
bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org
Cc: fenghua.yu@intel.com, hpa@zytor.com, paulmck@kernel.org,
thuth@redhat.com, xiongwei.song@windriver.com, ardb@kernel.org,
pawan.kumar.gupta@linux.intel.com,
daniel.sneddon@linux.intel.com, sandipan.das@amd.com,
kai.huang@intel.com, peterz@infradead.org,
kan.liang@linux.intel.com, pbonzini@redhat.com,
xin3.li@intel.com, ebiggers@google.com,
alexandre.chartre@oracle.com, perry.yuan@amd.com,
tan.shaopeng@fujitsu.com, james.morse@arm.com,
tony.luck@intel.com, maciej.wieczor-retman@intel.com,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
peternewman@google.com, eranian@google.com
Subject: Re: [PATCH 3/7] x86/resctrl: Introduce sdciae_capable in rdt_resource
Date: Wed, 18 Sep 2024 13:22:32 -0500 [thread overview]
Message-ID: <89da43fd-69fb-48a6-830e-e157360aeab6@amd.com> (raw)
In-Reply-To: <b96e5de8-75ce-4a7a-8788-f5d3a959d771@amd.com>
On 9/18/24 10:27, Moger, Babu wrote:
> Hi Reinette,
>
> On 9/13/24 15:45, Reinette Chatre wrote:
>> Hi Babu,
>>
>> On 8/16/24 9:16 AM, Babu Moger wrote:
>>> Detect SDCIAE`(L3 Smart Data Cache Injection Allocation Enforcement)
>>
>> (stray ` char)
>
> Sure.
>
>>
>>> feature and initialize sdciae_capable.
>>
>> (This is a repeat of the discussion we had surrounding the ABMC feature.)
>>
>> By adding "sdciae_capable" to struct rdt_resource the "sdciae" feature
>> becomes a resctrl fs feature. Any other architecture that has a "similar
>> but perhaps not identical feature to AMD's SDCIAE" will be forced to also
>> call it "sdciae" ... sdciae seems like a marketing name to me and resctrl
>> needs something generic that could later be built on (if needed) by other
>> architectures.
>
> How about "cache_inject_capable" ?
>
> This seems generic. I will change the description also.
>
Basically, this feature reserves specific CLOS for SDCI cache.
We can also name "clos_reserve_capable".
--
Thanks
Babu Moger
next prev parent reply other threads:[~2024-09-18 18:22 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-16 16:16 [PATCH 0/7] x86/resctrl : Support L3 Smart Data Cache Injection Allocation Enforcement (SDCIAE) Babu Moger
2024-08-16 16:16 ` [PATCH 1/7] x86/cpufeatures: Add support for L3 Smart Data Cache Injection Allocation Enforcement Babu Moger
2024-08-17 14:50 ` Borislav Petkov
2024-08-19 20:17 ` Moger, Babu
2024-09-13 20:44 ` Reinette Chatre
2024-09-18 0:50 ` Moger, Babu
2024-08-16 16:16 ` [PATCH 2/7] x86/resctrl: Add SDCIAE feature in the command line options Babu Moger
2024-09-13 20:45 ` Reinette Chatre
2024-09-18 14:38 ` Moger, Babu
2024-08-16 16:16 ` [PATCH 3/7] x86/resctrl: Introduce sdciae_capable in rdt_resource Babu Moger
2024-09-13 20:45 ` Reinette Chatre
2024-09-18 15:27 ` Moger, Babu
2024-09-18 18:22 ` Moger, Babu [this message]
2024-09-19 15:33 ` Reinette Chatre
2024-09-20 21:05 ` Moger, Babu
2024-10-15 20:40 ` Moger, Babu
2024-10-16 15:54 ` Reinette Chatre
2024-10-16 16:46 ` Moger, Babu
2024-10-16 18:31 ` Reinette Chatre
2024-08-16 16:16 ` [PATCH 4/7] x86/resctrl: Implement SDCIAE enable/disable Babu Moger
2024-09-13 20:46 ` Reinette Chatre
2024-09-18 16:26 ` Moger, Babu
2024-09-19 15:34 ` Reinette Chatre
2024-09-20 21:33 ` Moger, Babu
2024-08-16 16:16 ` [PATCH 5/7] x86/resctrl: Add interface to enable/disable SDCIAE Babu Moger
2024-09-13 20:51 ` Reinette Chatre
2024-09-18 20:10 ` Moger, Babu
2024-09-19 15:35 ` Reinette Chatre
2024-10-15 19:25 ` Moger, Babu
2024-10-16 15:53 ` Reinette Chatre
2024-10-16 16:52 ` Moger, Babu
2024-08-16 16:16 ` [PATCH 6/7] x86/resctrl: Introduce interface to display SDCIAE Capacity Bit Masks Babu Moger
2024-09-13 20:52 ` Reinette Chatre
2024-09-18 20:19 ` Moger, Babu
2024-08-16 16:16 ` [PATCH 7/7] x86/resctrl: Introduce interface to modify " Babu Moger
2024-09-13 20:44 ` [PATCH 0/7] x86/resctrl : Support L3 Smart Data Cache Injection Allocation Enforcement (SDCIAE) Reinette Chatre
2024-09-17 20:51 ` Moger, Babu
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