linux-kernel - Re: [PATCH] x86/cpu: Fix migration safety with X86_BUG_NULL

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Message-Id: <1166eaec-f655-4f77-bf3f-b04dcb62d4fe@www.fastmail.com>
Date:   Tue, 05 Oct 2021 13:58:45 -0700
From:   "Andy Lutomirski" <luto@...nel.org>
To:     "Jane Malalane" <jane.malalane@...rix.com>,
        "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Cc:     "the arch/x86 maintainers" <x86@...nel.org>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        "Ingo Molnar" <mingo@...hat.com>, "Borislav Petkov" <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, "Pu Wen" <puwen@...on.cn>,
        "Paolo Bonzini" <pbonzini@...hat.com>,
        "Sean Christopherson" <seanjc@...gle.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        "Andrew Cooper" <andrew.cooper3@...rix.com>,
        "Yazen Ghannam" <Yazen.Ghannam@....com>,
        "Brijesh Singh" <brijesh.singh@....com>,
        "Huang Rui" <ray.huang@....com>,
        "Kim Phillips" <kim.phillips@....com>, stable@...r.kernel.org
Subject: Re: [PATCH] x86/cpu: Fix migration safety with X86_BUG_NULL_SEL



On Fri, Oct 1, 2021, at 6:33 AM, Jane Malalane wrote:

> -static void detect_null_seg_behavior(struct cpuinfo_x86 *c)
> +void detect_null_seg_behavior(struct cpuinfo_x86 *c)

__init, please