From: "Huang, Kai" <kai.huang@intel.com>
To: "hpa@zytor.com" <hpa@zytor.com>,
"tim.c.chen@linux.intel.com" <tim.c.chen@linux.intel.com>,
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Cc: "mikko.ylinen@linux.intel.com" <mikko.ylinen@linux.intel.com>,
"seanjc@google.com" <seanjc@google.com>,
"anakrish@microsoft.com" <anakrish@microsoft.com>,
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"Li, Zhiquan1" <zhiquan1.li@intel.com>,
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Subject: Re: [PATCH v10 09/14] x86/sgx: Implement async reclamation for cgroup
Date: Thu, 4 Apr 2024 11:16:54 +0000 [thread overview]
Message-ID: <cb5a76983bc195e1cfb2a4e2c96c31d694e5b777.camel@intel.com> (raw)
In-Reply-To: <20240328002229.30264-10-haitao.huang@linux.intel.com>
On Wed, 2024-03-27 at 17:22 -0700, Haitao Huang wrote:
>
> void sgx_cgroup_init(void)
> {
> + sgx_cg_wq = alloc_workqueue("sgx_cg_wq", WQ_UNBOUND | WQ_FREEZABLE, WQ_UNBOUND_MAX_ACTIVE);
> +
> + /* All Cgroups functionalities are disabled. */
> + if (WARN_ON(!sgx_cg_wq))
> + return;
> +
I don't think you should WARN(), because it's not a kernel bug or similar. Just
print a message saying EPC cgroup is disabled and move on.
if (!sgx_cg_wq) {
pr_err("SGX EPC cgroup disabled: alloc_workqueue() failed.\n");
return;
}
next prev parent reply other threads:[~2024-04-04 11:19 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-28 0:22 [PATCH v10 00/14] Add Cgroup support for SGX EPC memory Haitao Huang
2024-03-28 0:22 ` [PATCH v10 01/14] x86/sgx: Replace boolean parameters with enums Haitao Huang
2024-03-28 0:22 ` [PATCH v10 02/14] cgroup/misc: Add per resource callbacks for CSS events Haitao Huang
2024-03-28 0:22 ` [PATCH v10 03/14] cgroup/misc: Export APIs for SGX driver Haitao Huang
2024-03-28 0:22 ` [PATCH v10 04/14] cgroup/misc: Add SGX EPC resource type Haitao Huang
2024-03-28 0:22 ` [PATCH v10 05/14] x86/sgx: Implement basic EPC misc cgroup functionality Haitao Huang
2024-03-28 12:53 ` Huang, Kai
2024-03-30 11:17 ` Jarkko Sakkinen
2024-04-01 9:29 ` Huang, Kai
2024-04-01 14:30 ` Jarkko Sakkinen
2024-04-05 1:24 ` Haitao Huang
2024-04-05 2:55 ` Huang, Kai
2024-03-28 0:22 ` [PATCH v10 06/14] x86/sgx: Add sgx_epc_lru_list to encapsulate LRU list Haitao Huang
2024-03-28 0:22 ` [PATCH v10 07/14] x86/sgx: Abstract tracking reclaimable pages in LRU Haitao Huang
2024-03-28 0:22 ` [PATCH v10 08/14] x86/sgx: Add basic EPC reclamation flow for cgroup Haitao Huang
2024-04-03 13:08 ` Huang, Kai
2024-04-04 17:05 ` Haitao Huang
2024-04-05 2:59 ` Huang, Kai
2024-04-05 3:07 ` Huang, Kai
2024-04-13 20:56 ` Jarkko Sakkinen
2024-03-28 0:22 ` [PATCH v10 09/14] x86/sgx: Implement async reclamation " Haitao Huang
2024-04-04 11:16 ` Huang, Kai [this message]
2024-04-04 15:39 ` Haitao Huang
2024-03-28 0:22 ` [PATCH v10 10/14] x86/sgx: Charge mem_cgroup for per-cgroup reclamation Haitao Huang
2024-03-28 0:22 ` [PATCH v10 11/14] x86/sgx: Abstract check for global reclaimable pages Haitao Huang
2024-03-28 0:22 ` [PATCH v10 12/14] x86/sgx: Turn on per-cgroup EPC reclamation Haitao Huang
2024-04-08 12:20 ` Huang, Kai
2024-04-08 18:03 ` Haitao Huang
2024-04-08 22:37 ` Huang, Kai
2024-04-09 4:23 ` Haitao Huang
2024-04-09 9:03 ` Michal Koutný
2024-04-09 15:34 ` Haitao Huang
2024-04-10 18:28 ` Haitao Huang
2024-03-28 0:22 ` [PATCH v10 13/14] Docs/x86/sgx: Add description for cgroup support Haitao Huang
2024-03-28 0:22 ` [PATCH v10 14/14] selftests/sgx: Add scripts for EPC cgroup testing Haitao Huang
2024-03-30 11:29 ` Jarkko Sakkinen
2024-03-31 17:44 ` [PATCH] selftests/sgx: Improve cgroup test scripts Haitao Huang
2024-04-01 14:22 ` Jarkko Sakkinen
2024-04-01 22:55 ` Haitao Huang
2024-04-02 7:37 ` Jarkko Sakkinen
2024-04-02 1:42 ` [PATCH v2] " Haitao Huang
2024-04-02 7:43 ` Jarkko Sakkinen
2024-04-02 17:31 ` Haitao Huang
2024-04-03 15:34 ` Jarkko Sakkinen
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