linux-kernel - Re: [PATCH v3] x86/sgx: Do not consider unsanitized pages an error

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Message-ID: <Ywe+Zw4NgLrwvEo7@kernel.org>
Date:   Thu, 25 Aug 2022 21:27:54 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     linux-sgx@...r.kernel.org, Paul Menzel <pmenzel@...gen.mpg.de>,
        Haitao Huang <haitao.huang@...ux.intel.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Reinette Chatre <reinette.chatre@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" 
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] x86/sgx: Do not consider unsanitized pages an error

On Thu, Aug 25, 2022 at 07:07:44AM -0700, Dave Hansen wrote:
> On 8/25/22 01:08, Jarkko Sakkinen wrote:
> > However, if the SGX subsystem initialization is retracted, the sanitization
> > process could end up in the middle, and sgx_dirty_page_list be left
> > non-empty for legit reasons.
> 
> What does "retraction" mean in this context?

Rest of the initialization failing or features not detected (-ENODEV).

BR, Jarkko