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Message-ID: <CALCETrV-fy6cA3fx40V3fnEN5bXMnDkYi845oKLYWXhVu=zRjw@mail.gmail.com> Date: Mon, 21 Jul 2014 10:23:25 -0700 From: Andy Lutomirski <luto@...capital.net> To: "H. Peter Anvin" <hpa@...or.com> Cc: Sven Wegener <sven.wegener@...aler.net>, Richard Weinberger <richard@....at>, X86 ML <x86@...nel.org>, Eric Paris <eparis@...hat.com>, Linux Kernel <linux-kernel@...r.kernel.org>, Steven Rostedt <rostedt@...dmis.org>, Borislav Petkov <bp@...en8.de>, Toralf Förster <toralf.foerster@....de>, stable <stable@...r.kernel.org>, Roland McGrath <roland@...hat.com>, Josh Boyer <jwboyer@...oraproject.org> Subject: Re: [PATCH] x86_32, entry: store badsys error code in %eax On Mon, Jul 21, 2014 at 10:20 AM, H. Peter Anvin <hpa@...or.com> wrote: > On 07/21/2014 09:53 AM, Andy Lutomirski wrote: >> On Sun, Jul 20, 2014 at 3:07 PM, H. Peter Anvin <hpa@...or.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. This may finally inspire me to teach virtme how to boot an alternate root. I got sick of dealing with VM images awhile ago. --Andy > > -hpa > > -- Andy Lutomirski AMA Capital Management, LLC -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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