linux-kernel - Re: [patch V4 part 1 29/36] x86/mce: Send #MC singal from task work

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Message-ID: <20200514141703.GD9266@zn.tnic>
Date:   Thu, 14 May 2020 16:17:03 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Alexandre Chartre <alexandre.chartre@...cle.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Brian Gerst <brgerst@...il.com>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Will Deacon <will@...nel.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Tony Luck <tony.luck@...el.com>
Subject: Re: [patch V4 part 1 29/36] x86/mce: Send #MC singal from task work

+ Tony.

On Tue, May 05, 2020 at 03:16:31PM +0200, Thomas Gleixner wrote:
> From: Peter Zijlstra <peterz@...radead.org>
> 
> Convert #MC over to using task_work_add(); it will run the same code
> slightly later, on the return to user path of the same exception.
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Reviewed-by: Frederic Weisbecker <frederic@...nel.org>
> ---
>  arch/x86/kernel/cpu/mce/core.c |   56 ++++++++++++++++++++++-------------------
>  include/linux/sched.h          |    6 ++++
>  2 files changed, 37 insertions(+), 25 deletions(-)

I like this:

Reviewed-by: Borislav Petkov <bp@...e.de>

-- 
Regards/Gruss,
    Boris.

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