linux-kernel - Re: [PATCH v13 2/2] x86/sgx: Add an attribute for the amount of SGX memory in a NUMA node

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Date:   Fri, 17 Dec 2021 15:04:39 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     Jarkko Sakkinen <jarkko@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>, reinette.chatre@...el.com,
        linux-kernel@...r.kernel.org, linux-sgx@...r.kernel.org
Subject: Re: [PATCH v13 2/2] x86/sgx: Add an attribute for the amount of SGX
 memory in a NUMA node

On Fri, Dec 17, 2021 at 01:17:42PM -0800, Dave Hansen wrote:
> On 12/17/21 11:12 AM, Nathan Chancellor wrote:
> > With this patch in -next as commit 50468e431335 ("x86/sgx: Add an
> > attribute for the amount of SGX memory in a NUMA node"), this sysfs node
> > causes an OOPS for me on at least one of my test systems (Intel based):
> 
> Thanks for the report!
> 
> Could you share /proc/cpuinfo and a full dmesg from when this happens?
> I'm curious if your system has SGX at all and if it had any issues
> during initialization.

Sure thing, find them attached (does not look like it does). Let me know
if there is any more information I can provide or test fixes.

Cheers,
Nathan

View attachment "cpuinfo_plus_dmesg.txt" of type "text/plain" (79356 bytes)