linux-kernel - Re: [RFC PATCH v5 0/2] sysret_rip update for the Intel FRED architecture

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Message-ID: <Y/BTvGJT1QEz15w7@biznet-home.integral.gnuweeb.org>
Date:   Sat, 18 Feb 2023 11:27:40 +0700
From:   Ammar Faizi <ammarfaizi2@...weeb.org>
To:     Xin Li <xin3.li@...el.com>
Cc:     "H. Peter Anvin" <hpa@...or.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Cooper <Andrew.Cooper3@...rix.com>,
        Brian Gerst <brgerst@...il.com>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Shuah Khan <shuah@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Andy Lutomirski <luto@...nel.org>,
        x86 Mailing List <x86@...nel.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Linux Kselftest Mailing List 
        <linux-kselftest@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH v5 0/2] sysret_rip update for the Intel FRED
 architecture

On Wed, Feb 15, 2023 at 07:42:47AM +0000, Li, Xin3 wrote:
> Hi Faizi,
> 
> Any update on this patch set?

No comment from HPA. But after the recent discussion with Andrew, I
think at least it's now clear that we are not going to use "+r"(rsp) to
avoid the red zone problem.

I am on leave today. Will send revision v8 on Monday.

Thanks,

-- 
Ammar Faizi