From: "Haitao Huang" <haitao.huang@linux.intel.com>
To: "Michal Koutný" <mkoutny@suse.com>,
"Haitao Huang" <haitao.huang@linux.intel.com>
Cc: jarkko@kernel.org, dave.hansen@linux.intel.com, tj@kernel.org,
linux-kernel@vger.kernel.org, linux-sgx@vger.kernel.org,
x86@kernel.org, cgroups@vger.kernel.org, tglx@linutronix.de,
mingo@redhat.com, bp@alien8.de, hpa@zytor.com,
sohil.mehta@intel.com, tim.c.chen@linux.intel.com,
zhiquan1.li@intel.com, kristen@linux.intel.com,
seanjc@google.com, zhanb@microsoft.com, anakrish@microsoft.com,
mikko.ylinen@linux.intel.com, yangjie@microsoft.com,
chrisyan@microsoft.com
Subject: Re: [PATCH v9 04/15] x86/sgx: Implement basic EPC misc cgroup functionality
Date: Sat, 09 Mar 2024 15:10:44 -0600 [thread overview]
Message-ID: <op.2kdw36otwjvjmi@hhuan26-mobl.amr.corp.intel.com> (raw)
In-Reply-To: <op.2jtkxougwjvjmi@hhuan26-mobl.amr.corp.intel.com>
On Tue, 27 Feb 2024 15:35:38 -0600, Haitao Huang
<haitao.huang@linux.intel.com> wrote:
> On Mon, 26 Feb 2024 12:25:58 -0600, Michal Koutný <mkoutny@suse.com>
> wrote:
>
>> On Mon, Feb 05, 2024 at 01:06:27PM -0800, Haitao Huang
>> <haitao.huang@linux.intel.com> wrote:
>>> +static int sgx_epc_cgroup_alloc(struct misc_cg *cg);
>>> +
>>> +const struct misc_res_ops sgx_epc_cgroup_ops = {
>>> + .alloc = sgx_epc_cgroup_alloc,
>>> + .free = sgx_epc_cgroup_free,
>>> +};
>>> +
>>> +static void sgx_epc_misc_init(struct misc_cg *cg, struct
>>> sgx_epc_cgroup *epc_cg)
>>> +{
>>> + cg->res[MISC_CG_RES_SGX_EPC].priv = epc_cg;
>>> + epc_cg->cg = cg;
>>> +}
>>
>> This is a possibly a nit pick but I share it here for consideration.
>>
>> Would it be more prudent to have the signature like
>> alloc(struct misc_res *res, struct misc_cg *cg)
>> so that implementations are free of the assumption of how cg and res are
>> stored?
>>
>>
>> Thanks,
>> Michal
>
> Will do.
>
> Thanks
> Haitao
>
Actually, because the root node is initialized in sgx_cgroup_init(), which
only has access to misc_cg_root() so we can't pass a misc_res struct
without knowing cg->res relationship. We could hide it with a getter, but
I think it's a little overkill at the moment. I can sign up for adding
this improvement if we feel it needed in future.
Thanks
Haitao
next prev parent reply other threads:[~2024-03-09 21:10 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-05 21:06 [PATCH v9 00/15] Add Cgroup support for SGX EPC memory Haitao Huang
2024-02-05 21:06 ` [PATCH v9 01/15] cgroup/misc: Add per resource callbacks for CSS events Haitao Huang
2024-02-05 21:06 ` [PATCH v9 02/15] cgroup/misc: Export APIs for SGX driver Haitao Huang
2024-02-05 21:06 ` [PATCH v9 03/15] cgroup/misc: Add SGX EPC resource type Haitao Huang
2024-02-05 21:06 ` [PATCH v9 04/15] x86/sgx: Implement basic EPC misc cgroup functionality Haitao Huang
2024-02-19 12:47 ` Huang, Kai
2024-02-26 18:25 ` Michal Koutný
2024-02-27 21:35 ` Haitao Huang
2024-03-09 21:10 ` Haitao Huang [this message]
2024-02-05 21:06 ` [PATCH v9 05/15] x86/sgx: Add sgx_epc_lru_list to encapsulate LRU list Haitao Huang
2024-02-05 21:06 ` [PATCH v9 06/15] x86/sgx: Abstract tracking reclaimable pages in LRU Haitao Huang
2024-02-05 21:06 ` [PATCH v9 07/15] x86/sgx: Expose sgx_reclaim_pages() for cgroup Haitao Huang
2024-02-20 9:26 ` Huang, Kai
2024-02-05 21:06 ` [PATCH v9 08/15] x86/sgx: Implement EPC reclamation flows " Haitao Huang
2024-02-12 19:35 ` Jarkko Sakkinen
2024-02-20 9:52 ` Huang, Kai
2024-02-20 13:18 ` Michal Koutný
2024-02-20 20:09 ` Huang, Kai
2024-02-21 6:23 ` Haitao Huang
2024-02-21 10:48 ` Huang, Kai
2024-02-22 20:12 ` Haitao Huang
2024-02-22 22:24 ` Huang, Kai
2024-03-28 0:24 ` Haitao Huang
2024-02-21 6:44 ` Haitao Huang
2024-02-21 11:00 ` Huang, Kai
2024-02-22 17:20 ` Haitao Huang
2024-02-22 22:31 ` Huang, Kai
2024-02-22 18:09 ` Haitao Huang
2024-02-05 21:06 ` [PATCH v9 09/15] x86/sgx: Charge mem_cgroup for per-cgroup reclamation Haitao Huang
2024-02-12 19:46 ` Jarkko Sakkinen
2024-02-13 3:21 ` Haitao Huang
2024-02-15 23:43 ` Dave Hansen
2024-02-16 6:07 ` Haitao Huang
2024-02-16 15:15 ` Dave Hansen
2024-02-16 21:38 ` Haitao Huang
2024-02-16 21:55 ` Dave Hansen
2024-02-16 23:33 ` Haitao Huang
2024-02-05 21:06 ` [PATCH v9 10/15] x86/sgx: Add EPC reclamation in cgroup try_charge() Haitao Huang
2024-02-12 19:55 ` Jarkko Sakkinen
2024-02-12 23:15 ` Haitao Huang
2024-02-14 1:52 ` Jarkko Sakkinen
2024-02-19 15:12 ` Haitao Huang
2024-02-19 20:20 ` Jarkko Sakkinen
2024-02-19 15:39 ` [RFC PATCH] x86/sgx: Remove 'reclaim' boolean parameters Haitao Huang
2024-02-19 15:56 ` Dave Hansen
2024-02-19 20:42 ` Jarkko Sakkinen
2024-02-19 22:25 ` Haitao Huang
2024-02-19 22:43 ` Jarkko Sakkinen
2024-02-19 20:23 ` Jarkko Sakkinen
2024-02-21 11:06 ` [PATCH v9 10/15] x86/sgx: Add EPC reclamation in cgroup try_charge() Huang, Kai
2024-02-22 17:09 ` Haitao Huang
2024-02-22 21:26 ` Huang, Kai
2024-02-22 22:57 ` Haitao Huang
2024-02-23 10:18 ` Huang, Kai
2024-02-23 17:00 ` Haitao Huang
2024-02-26 1:38 ` Huang, Kai
2024-02-26 4:03 ` Haitao Huang
2024-02-26 11:36 ` Huang, Kai
2024-02-26 14:04 ` Dave Hansen
2024-02-26 21:48 ` Haitao Huang
2024-02-26 21:56 ` Dave Hansen
2024-02-26 22:34 ` Huang, Kai
2024-02-26 22:38 ` Dave Hansen
2024-02-26 22:46 ` Huang, Kai
2024-02-27 20:41 ` Jarkko Sakkinen
2024-02-27 9:26 ` Michal Koutný
2024-02-26 21:18 ` Haitao Huang
2024-02-26 22:24 ` Huang, Kai
2024-02-26 22:31 ` Dave Hansen
2024-02-26 22:38 ` Huang, Kai
2024-02-05 21:06 ` [PATCH v9 11/15] x86/sgx: Abstract check for global reclaimable pages Haitao Huang
2024-02-12 19:56 ` Jarkko Sakkinen
2024-02-21 11:34 ` Huang, Kai
2024-02-05 21:06 ` [PATCH v9 12/15] x86/sgx: Expose sgx_epc_cgroup_reclaim_pages() for global reclaimer Haitao Huang
2024-02-12 19:58 ` Jarkko Sakkinen
2024-02-21 11:10 ` Huang, Kai
2024-02-22 16:35 ` Haitao Huang
2024-02-05 21:06 ` [PATCH v9 13/15] x86/sgx: Turn on per-cgroup EPC reclamation Haitao Huang
2024-02-21 11:23 ` Huang, Kai
2024-02-22 16:36 ` Haitao Huang
2024-02-22 22:44 ` Huang, Kai
2024-02-23 18:46 ` Haitao Huang
2024-02-05 21:06 ` [PATCH v9 14/15] Docs/x86/sgx: Add description for cgroup support Haitao Huang
2024-02-05 21:06 ` [PATCH v9 15/15] selftests/sgx: Add scripts for EPC cgroup testing Haitao Huang
2024-03-27 12:55 ` Jarkko Sakkinen
2024-03-27 16:56 ` Jarkko Sakkinen
2024-03-28 0:57 ` Haitao Huang
2024-03-28 3:05 ` Haitao Huang
2024-03-30 11:23 ` Jarkko Sakkinen
2024-03-30 11:26 ` Jarkko Sakkinen
2024-04-02 11:23 ` Michal Koutný
2024-04-02 11:58 ` Jarkko Sakkinen
2024-04-02 16:20 ` Haitao Huang
2024-04-02 17:40 ` Michal Koutný
2024-04-02 18:20 ` Haitao Huang
2024-04-03 16:46 ` Jarkko Sakkinen
2024-04-03 15:33 ` Jarkko Sakkinen
2024-04-02 15:42 ` Dave Hansen
2024-04-03 15:16 ` Jarkko Sakkinen
2024-03-28 3:54 ` Haitao Huang
2024-03-30 11:15 ` Jarkko Sakkinen
2024-03-30 15:32 ` Haitao Huang
2024-03-31 16:19 ` Jarkko Sakkinen
2024-03-31 17:35 ` Haitao Huang
2024-04-01 14:10 ` Jarkko Sakkinen
2024-02-08 8:43 ` [PATCH v9 00/15] Add Cgroup support for SGX EPC memory Mikko Ylinen
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