Re: [PATCH v5 12/18] x86/sgx: Add EPC OOM path to forcefully reclaim EPC

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To: "Christopherson,, Sean" <seanjc@xxxxxxxxxx>, "haitao.huang@xxxxxxxxxxxxxxx" <haitao.huang@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH v5 12/18] x86/sgx: Add EPC OOM path to forcefully reclaim EPC
From: "Huang, Kai" <kai.huang@xxxxxxxxx>
Date: Wed, 11 Oct 2023 01:14:22 +0000
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Cc: "Zhang, Bo" <zhanb@xxxxxxxxxxxxx>, "linux-sgx@xxxxxxxxxxxxxxx" <linux-sgx@xxxxxxxxxxxxxxx>, "cgroups@xxxxxxxxxxxxxxx" <cgroups@xxxxxxxxxxxxxxx>, "yangjie@xxxxxxxxxxxxx" <yangjie@xxxxxxxxxxxxx>, "dave.hansen@xxxxxxxxxxxxxxx" <dave.hansen@xxxxxxxxxxxxxxx>, "Li, Zhiquan1" <zhiquan1.li@xxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "tj@xxxxxxxxxx" <tj@xxxxxxxxxx>, "anakrish@xxxxxxxxxxxxx" <anakrish@xxxxxxxxxxxxx>, "jarkko@xxxxxxxxxx" <jarkko@xxxxxxxxxx>, "hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, "mikko.ylinen@xxxxxxxxxxxxxxx" <mikko.ylinen@xxxxxxxxxxxxxxx>, "Mehta, Sohil" <sohil.mehta@xxxxxxxxx>, "bp@xxxxxxxxx" <bp@xxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "kristen@xxxxxxxxxxxxxxx" <kristen@xxxxxxxxxxxxxxx>
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On Tue, 2023-10-10 at 11:49 -0500, Haitao Huang wrote:
> > 
> > This patch adds SGX_ENCL_NO_MEMORY.  I guess we can use it for virtual  
> > EPC too?
> > 
> 
> That flag is set for enclaves, do you mean we set similar flag in vepc  
> struct?

Yes.

Follow-Ups:
- Re: [PATCH v5 12/18] x86/sgx: Add EPC OOM path to forcefully reclaim EPC
  - From: Huang, Kai

References:
- [PATCH v5 00/18] Add Cgroup support for SGX EPC memory
  - From: Haitao Huang
- [PATCH v5 12/18] x86/sgx: Add EPC OOM path to forcefully reclaim EPC
  - From: Haitao Huang
- Re: [PATCH v5 12/18] x86/sgx: Add EPC OOM path to forcefully reclaim EPC
  - From: Huang, Kai
- Re: [PATCH v5 12/18] x86/sgx: Add EPC OOM path to forcefully reclaim EPC
  - From: Sean Christopherson
- Re: [PATCH v5 12/18] x86/sgx: Add EPC OOM path to forcefully reclaim EPC
  - From: Huang, Kai
- Re: [PATCH v5 12/18] x86/sgx: Add EPC OOM path to forcefully reclaim EPC
  - From: Huang, Kai
- Re: [PATCH v5 12/18] x86/sgx: Add EPC OOM path to forcefully reclaim EPC
  - From: Haitao Huang

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