Subject: Re: What exactly do 32-bit x86 exceptions push on the stack in the CS
 slot?
To: Linus Torvalds <torvalds@linux-foundation.org>,
        Ingo Molnar <mingo@kernel.org>
References: <CALCETrUqdp=rEKX4gdSpJYder3q0g_yxdRE9APw8MgerXvnB=w@mail.gmail.com>
 <CAMzpN2h_1m3wcSpvNxC4FyOrDBnn50Estwk_v_zc7=NNGxW_zg@mail.gmail.com>
 <CALCETrU7voFkTpKmyo2ujEAuEUVOg3r-FKspnCWXQ-pXpQamDg@mail.gmail.com>
 <20161121071342.GA16999@gmail.com>
 <CA+55aFwH8zQNj42LyqFTbXqU+nUbDgDhqMW+so_-OPpM5SRwuQ@mail.gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>, Brian Gerst <brgerst@gmail.com>,
        Andy Lutomirski <luto@kernel.org>, tedheadster@gmail.com,
        George Spelvin <linux@horizon.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        X86 ML <x86@kernel.org>
From: "H. Peter Anvin" <hpa@zytor.com>
Message-ID: <5bc7c7b2-875e-6366-9244-7dc6e2fae5c1@zytor.com>
Date: Mon, 21 Nov 2016 10:26:11 -0800
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101
 Thunderbird/45.4.0
MIME-Version: 1.0
In-Reply-To: <CA+55aFwH8zQNj42LyqFTbXqU+nUbDgDhqMW+so_-OPpM5SRwuQ@mail.gmail.com>
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 247
Lines: 13

On 11/21/16 10:00, Linus Torvalds wrote:
> 
> Ugh.
> 
> I'd much rather we go back to just making the "cs" entry explicitly
> 16-bit, and have a separate padding entry, the way we used to long
> long ago.
> 

I would agree 100% with this.

	-hpa