From: "H. Peter Anvin" <hpa@zytor.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: "Sven Wegener" <sven.wegener@stealer.net>,
"Richard Weinberger" <richard@nod.at>, "X86 ML" <x86@kernel.org>,
"Eric Paris" <eparis@redhat.com>,
"Linux Kernel" <linux-kernel@vger.kernel.org>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Borislav Petkov" <bp@alien8.de>,
"Toralf Förster" <toralf.foerster@gmx.de>,
stable <stable@vger.kernel.org>,
"Roland McGrath" <roland@redhat.com>,
"Josh Boyer" <jwboyer@fedoraproject.org>
Subject: Re: [PATCH] x86_32, entry: store badsys error code in %eax
Date: Mon, 21 Jul 2014 10:20:40 -0700 [thread overview]
Message-ID: <53CD4BE8.5030603@zytor.com> (raw)
In-Reply-To: <CALCETrUijU1f+WJ5RkOa0X1y9K1UYWEQGdVwwGfBHdVS9iBciA@mail.gmail.com>
On 07/21/2014 09:53 AM, Andy Lutomirski wrote:
> On Sun, Jul 20, 2014 at 3:07 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>> This is not a subtle regression at all. It is in fact a very very serious one.
>
> Indeed.
>
> Does this really work correctly on sysenter? It sure looks like the
> sysenter path has the same problem.
>
> Grr. I'm not set up to properly test 32-bit kernels. The patch looks
> correct, but I'm obviously not an infallible authority on "looking
> correct" when it comes to entry_32.S.
>
> --Andy
>
KVM is great for that sort of things.
-hpa
next prev parent reply other threads:[~2014-07-21 17:24 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-20 21:33 [PATCH] x86_32, entry: store badsys error code in %eax Sven Wegener
2014-07-20 22:07 ` H. Peter Anvin
2014-07-21 16:53 ` Andy Lutomirski
2014-07-21 17:20 ` H. Peter Anvin [this message]
2014-07-21 17:23 ` Andy Lutomirski
2014-07-21 21:59 ` Andy Lutomirski
2014-07-22 6:57 ` Sven Wegener
2014-07-22 8:26 Sven Wegener
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