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Date:   Wed, 12 Oct 2022 08:59:51 -0700
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Subject: Re: [PATCH v2 01/39] Documentation/x86: Add CET description
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To:     Florian Weimer <fweimer@redhat.com>,
        "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
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        "Yu, Yu-cheng" <yu-cheng.yu@intel.com>,
        "dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
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        "Moreira, Joao" <joao.moreira@intel.com>,
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References: <20220929222936.14584-1-rick.p.edgecombe@intel.com>
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 <87ilkr27nv.fsf@oldenburg.str.redhat.com>
 <62481017bc02b35587dd520ed446a011641aa390.camel@intel.com>
 <87v8opz0me.fsf@oldenburg.str.redhat.com>
From:   Dave Hansen <dave.hansen@intel.com>
In-Reply-To: <87v8opz0me.fsf@oldenburg.str.redhat.com>
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On 10/12/22 05:29, Florian Weimer wrote:
>> What did you think of the proposal to disable existing binaries and
>> start from scratch? Elaborated in the coverletter in the section
>> "Compatibility of Existing Binaries/Enabling Interface".
> The ABI was finalized around four years ago, and we have shipped several
> Fedora and Red Hat Enterprise Linux versions with it.  Other
> distributions did as well.  It's a bit late to make changes now, and
> certainly not for such trivialities. 

Just to be clear: You're saying that a user/kernel ABI was "finalized"
by glibc shipping the user side of it, before there being an upstream
kernel implementation?