linux-kernel - Re: [PATCH 1/2] x86/sgx: Replace section->init_laundry_list with sgx_dirty_page

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Message-ID: <20210318190138.GJ19570@zn.tnic>
Date:   Thu, 18 Mar 2021 20:01:38 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     Jarkko Sakkinen <jarkko.sakkinen@...el.com>,
        linux-sgx@...r.kernel.org, Jarkko Sakkinen <jarkko@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] x86/sgx: Replace section->init_laundry_list with
 sgx_dirty_page_list

On Thu, Mar 18, 2021 at 11:34:10AM -0700, Dave Hansen wrote:
> I usually get that after I reboot.  I have to do this:
> 
> 	chmod 755 /dev/sgx_enclave
> 	mount -o remount,exec /dev

Yap, that did it:

0x0000000000000000 0x0000000000002000 0x03
0x0000000000002000 0x0000000000001000 0x05
0x0000000000003000 0x0000000000003000 0x03
SUCCESS

> BTW, that *IS* going to get tripped over all the time.

Yap, and I saw it last time and we talked about it and I forgot again.
Conveniently.

> The selftest needs a better error message.  I'll send a patch.

Please do.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette