From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Subject: Re: [intel-sgx-kernel-dev] [PATCH RFC v3 07/12] intel_sgx: driver
 for Intel Software Guard Extensions
Date: Tue, 7 Nov 2017 20:47:09 +0200
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To: Dave Hansen <dave.hansen@intel.com>
Cc: intel-sgx-kernel-dev@lists.01.org, platform-driver-x86@vger.kernel.org

On Mon, Nov 06, 2017 at 07:54:00AM -0800, Dave Hansen wrote:
> On 10/10/2017 07:32 AM, Jarkko Sakkinen wrote:
> > +static LIST_HEAD(sgx_free_list);
> > +static DEFINE_SPINLOCK(sgx_free_list_lock);
> 
> Is this a global list?  Will this be a scalability problem on larger
> systems?

It will be need to be refined for NUMA.

In addition, per-CPU caches would probably make sense.

For simplicity, I would keep it as it is up until the driver is in the
mainline.

/Jarkko