Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <303d5b3c-e33b-c6ef-544a-32d6497f891e@zytor.com>
Date:   Mon, 5 Jun 2023 10:12:31 -0700
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.10.0
Subject: Re: [PATCH v8 02/33] x86/fred: make unions for the cs and ss fields
 in struct pt_regs
Content-Language: en-US
To:     Thomas Gleixner <tglx@linutronix.de>, Xin Li <xin3.li@intel.com>,
        linux-kernel@vger.kernel.org, x86@kernel.org, kvm@vger.kernel.org
Cc:     mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
        peterz@infradead.org, andrew.cooper3@citrix.com, seanjc@google.com,
        pbonzini@redhat.com, ravi.v.shankar@intel.com,
        jiangshanlai@gmail.com, shan.kang@intel.com
References: <20230410081438.1750-1-xin3.li@intel.com>
 <20230410081438.1750-3-xin3.li@intel.com> <87o7lu6rjf.ffs@tglx>
From:   "H. Peter Anvin" <hpa@zytor.com>
In-Reply-To: <87o7lu6rjf.ffs@tglx>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk

> 
> This does not match section
> 
>      5.2.1 Saving Information on the Regular Stack?
> 
> of version 4 and later of the specification.
> 

Yes, this is correct. This patchset was posted in April, and once we got 
some very late requests for changes I asked Xin to hold off any further 
iterations until the spec had restabilized.

	-hpa