linux-kernel - Re: [PATCH v10 05/14] x86/sgx: Implement basic EPC misc cgroup functionality

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Date: Fri, 5 Apr 2024 02:55:09 +0000
From: "Huang, Kai" <kai.huang@...el.com>
To: "Mehta, Sohil" <sohil.mehta@...el.com>, "mingo@...hat.com"
	<mingo@...hat.com>, "jarkko@...nel.org" <jarkko@...nel.org>, "x86@...nel.org"
	<x86@...nel.org>, "dave.hansen@...ux.intel.com"
	<dave.hansen@...ux.intel.com>, "cgroups@...r.kernel.org"
	<cgroups@...r.kernel.org>, "hpa@...or.com" <hpa@...or.com>,
	"tim.c.chen@...ux.intel.com" <tim.c.chen@...ux.intel.com>,
	"linux-sgx@...r.kernel.org" <linux-sgx@...r.kernel.org>, "mkoutny@...e.com"
	<mkoutny@...e.com>, "haitao.huang@...ux.intel.com"
	<haitao.huang@...ux.intel.com>, "tglx@...utronix.de" <tglx@...utronix.de>,
	"tj@...nel.org" <tj@...nel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "bp@...en8.de" <bp@...en8.de>
CC: "mikko.ylinen@...ux.intel.com" <mikko.ylinen@...ux.intel.com>,
	"seanjc@...gle.com" <seanjc@...gle.com>, "anakrish@...rosoft.com"
	<anakrish@...rosoft.com>, "Zhang, Bo" <zhanb@...rosoft.com>,
	"kristen@...ux.intel.com" <kristen@...ux.intel.com>, "yangjie@...rosoft.com"
	<yangjie@...rosoft.com>, "Li, Zhiquan1" <zhiquan1.li@...el.com>,
	"chrisyan@...rosoft.com" <chrisyan@...rosoft.com>
Subject: Re: [PATCH v10 05/14] x86/sgx: Implement basic EPC misc cgroup
 functionality

On Thu, 2024-04-04 at 20:24 -0500, Haitao Huang wrote:
> > Again, IMHO having CONFIG_CGROUP_SGX_EPC here is ugly, because it  
> > doesn't even
> > match the try_charge() above, which doesn't have the  
> > CONFIG_CGROUP_SGX_EPC.
> > 
> > If you add a wrapper in "epc_cgroup.h"
> > 
> Agree. but in sgx.h so sgx_epc_page struct is not exposed in epc_cgroup.h.

I am fine with any place that suits.