linux-kernel - Re: [tip: x86/entry] x86/entry: Convert Divide Error to IDTENTRY

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Message-ID: <87mu0sr6s4.fsf@nanos.tec.linutronix.de>
Date:   Sun, 11 Oct 2020 19:50:35 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Dmitry Vyukov <dvyukov@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Kees Cook <keescook@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        syzkaller <syzkaller@...glegroups.com>
Cc:     linux-tip-commits <linux-tip-commits@...r.kernel.org>,
        Alexandre Chartre <alexandre.chartre@...cle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>, x86 <x86@...nel.org>
Subject: Re: [tip: x86/entry] x86/entry: Convert Divide Error to IDTENTRY

On Sun, Oct 11 2020 at 17:25, Dmitry Vyukov wrote:
> On Tue, May 19, 2020 at 9:59 PM tip-bot2 for Thomas Gleixner
> <tip-bot2@...utronix.de> wrote:
>> The following commit has been merged into the x86/entry branch of tip:
>>
>> -DO_ERROR(X86_TRAP_DE,     SIGFPE,  FPE_INTDIV,   IP, "divide error",        divide_error)
>>
>> +DEFINE_IDTENTRY(exc_divide_error)
>> +{
>> +       do_error_trap(regs, 0, "divide_error", X86_TRAP_DE, SIGFPE,
>> +                     FPE_INTDIV, error_get_trap_addr(regs));
>> +}
>
> I suppose this is a copy-paste typo and was supposed to be "divide
> error", right?

Yeah. That was definitely unintentional.