linux-kernel - Re: [PATCH v11 06/14] x86/sgx: Add sgx_epc_lru

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Message-ID: <0121396cabd6f7c5304e5040892a5934a4f65b89.camel@intel.com>
Date: Mon, 15 Apr 2024 13:51:09 +0000
From: "Huang, Kai" <kai.huang@...el.com>
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Subject: Re: [PATCH v11 06/14] x86/sgx: Add sgx_epc_lru_list to encapsulate
 LRU list

On Wed, 2024-04-10 at 11:25 -0700, Haitao Huang wrote:
> From: Sean Christopherson <sean.j.christopherson@...el.com>
> 
> Introduce a data structure to wrap the existing reclaimable list and its
> spinlock. Each cgroup later will have one instance of this structure to
> track EPC pages allocated for processes associated with the same cgroup.
> Just like the global SGX reclaimer (ksgxd), an EPC cgroup reclaims pages
> from the reclaimable list in this structure when its usage reaches near
> its limit.
> 
> Use this structure to encapsulate the LRU list and its lock used by the
> global reclaimer.
> 
> Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
> Co-developed-by: Kristen Carlson Accardi <kristen@...ux.intel.com>
> Signed-off-by: Kristen Carlson Accardi <kristen@...ux.intel.com>
> Co-developed-by: Haitao Huang <haitao.huang@...ux.intel.com>
> Signed-off-by: Haitao Huang <haitao.huang@...ux.intel.com>
> Cc: Sean Christopherson <seanjc@...gle.com>
> Reviewed-by: Jarkko Sakkinen <jarkko@...nel.org>
> 

Reviewed-by: Kai Huang <kai.huang@...el.com>