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From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Dave Hansen <dave.hansen@intel.com>
Cc: intel-sgx-kernel-dev@lists.01.org, platform-driver-x86@vger.kernel.org
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	[thread overview]
Message-ID: <20171107184709.srgrx2aa23fupmk7@linux.intel.com> (raw)
In-Reply-To: <8b91bb10-de7d-c0c1-6373-7a565625525f@intel.com>

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

  reply	other threads:[~2017-11-07 18:47 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-10 14:32 [PATCH RFC v3 00/12] Intel(R) SGX Driver Jarkko Sakkinen
2017-10-10 14:32 ` [PATCH RFC v3 01/12] intel_sgx: updated MAINTAINERS Jarkko Sakkinen
2017-10-10 14:32 ` [PATCH RFC v3 02/12] x86: add SGX definition to cpufeature Jarkko Sakkinen
2017-10-10 14:32 ` [PATCH RFC v3 03/12] x86: define the feature control MSR's SGX enable bit Jarkko Sakkinen
2017-10-10 14:32 ` [PATCH RFC v3 04/12] x86: define the feature control MSR's SGX launch control bit Jarkko Sakkinen
2017-10-10 14:32 ` [PATCH RFC v3 05/12] x86: add SGX MSRs to msr-index.h Jarkko Sakkinen
2017-10-10 14:32 ` [PATCH RFC v3 06/12] fs/pipe.c: export create_pipe_files() and replace_fd() Jarkko Sakkinen
2017-10-10 14:32 ` [PATCH RFC v3 08/12] intel_sgx: ptrace() support Jarkko Sakkinen
2017-10-10 14:32 ` [PATCH RFC v3 09/12] intel_sgx: driver documentation Jarkko Sakkinen
2017-10-10 14:32 ` [PATCH RFC v3 10/12] intel_sgx: in-kernel launch enclave Jarkko Sakkinen
2017-11-08 20:07   ` [intel-sgx-kernel-dev] " Sean Christopherson
2017-11-14 14:22     ` Jarkko Sakkinen
2017-10-10 14:32 ` [PATCH RFC v3 11/12] intel_sgx: glue code for in-kernel LE Jarkko Sakkinen
2017-10-10 14:32 ` [PATCH RFC v3 12/12] intel_sgx: update IA32_SGXLEPUBKEYHASH* MSRs Jarkko Sakkinen
     [not found] ` <20171010143258.21623-8-jarkko.sakkinen@linux.intel.com>
2017-10-10 15:41   ` [intel-sgx-kernel-dev] [PATCH RFC v3 07/12] intel_sgx: driver for Intel Software Guard Extensions Sean Christopherson
2017-10-11 11:46     ` Jarkko Sakkinen
2017-10-11 15:56       ` Sean Christopherson
2017-10-10 18:26   ` Sean Christopherson
2017-10-13 19:58     ` Jarkko Sakkinen
2017-10-13 20:02       ` Jarkko Sakkinen
2017-10-13 20:08         ` Jarkko Sakkinen
2017-10-13 20:13           ` Jarkko Sakkinen
2017-10-12 16:48   ` Sean Christopherson
2017-10-13 19:16     ` Jarkko Sakkinen
2017-11-02 19:48   ` Sean Christopherson
2017-11-06  7:23     ` Jarkko Sakkinen
2017-11-02 20:10   ` Sean Christopherson
2017-11-06 11:08     ` Jarkko Sakkinen
2017-11-06 11:33       ` Jarkko Sakkinen
2017-11-06 14:56         ` Sean Christopherson
2017-11-08  6:25           ` Jarkko Sakkinen
2017-11-06 11:39     ` Jarkko Sakkinen
2017-11-06 14:54       ` Sean Christopherson
2017-11-07 18:43         ` Jarkko Sakkinen
2017-11-06 15:54   ` Dave Hansen
2017-11-07 18:47     ` Jarkko Sakkinen [this message]
2017-11-07 19:05       ` Dave Hansen
2017-11-14 19:33         ` Jarkko Sakkinen
2017-11-14 21:05           ` Jarkko Sakkinen
2017-11-14 21:12             ` Dave Hansen

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