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Date:   Mon, 12 Apr 2021 11:37:28 +0200
From:   Borislav Petkov <bp@alien8.de>
To:     Andy Lutomirski <luto@amacapital.net>
Cc:     Andi Kleen <ak@linux.intel.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Feng Tang <feng.tang@intel.com>,
        Ingo Molnar <mingo@redhat.com>,
        "H . Peter Anvin" <hpa@zytor.com>,
        Peter Zijlstra <peterz@infradead.org>, X86 ML <x86@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        "Zhang, Rui" <rui.zhang@intel.com>,
        "Kleen, Andi" <andi.kleen@intel.com>,
        Dave Hansen <dave.hansen@intel.com>,
        Len Brown <len.brown@intel.com>
Subject: Re: [PATCH] x86/msr: Block writes to certain MSRs unconditionally
Message-ID: <20210412093728.GA24283@zn.tnic>
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On Sun, Apr 11, 2021 at 04:21:21PM -0700, Andy Lutomirski wrote:
> https://bugs.winehq.org/show_bug.cgi?id=33275#c19
> 
> I sure hope no one is still doing this.

Aha, IRET with rFLAGS.NT set. At least it is only an ad-hoc program to
fix this particular issue and I hope too it hasn't propagated somewhere
else.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette