linux-kernel - Re: What exactly do 32-bit x86 exceptions push on the stack in the CS slot?

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Message-ID: <5bc7c7b2-875e-6366-9244-7dc6e2fae5c1@zytor.com>
Date:   Mon, 21 Nov 2016 10:26:11 -0800
From:   "H. Peter Anvin" <hpa@...or.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Ingo Molnar <mingo@...nel.org>
Cc:     Andy Lutomirski <luto@...capital.net>,
        Brian Gerst <brgerst@...il.com>,
        Andy Lutomirski <luto@...nel.org>, tedheadster@...il.com,
        George Spelvin <linux@...izon.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        X86 ML <x86@...nel.org>
Subject: Re: What exactly do 32-bit x86 exceptions push on the stack in the CS
 slot?

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