From: Changbin Du <changbin.du@gmail.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
hpa@zytor.com, x86@kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/nmi: remove the irqwork from long duration nmi handler
Date: Fri, 10 Jan 2020 17:34:50 +0000 [thread overview]
Message-ID: <20200110173449.rhr5p4lal3aul43g@mail.google.com> (raw)
In-Reply-To: <20200110151329.GF19453@zn.tnic>
On Fri, Jan 10, 2020 at 04:13:29PM +0100, Borislav Petkov wrote:
> On Fri, Jan 10, 2020 at 10:05:49PM +0800, Changbin Du wrote:
> > I added a new function nmi_check_duration(), so shoudn't this check be
> > done in that function?
>
> Why should it be done in that function? Your patch is removing irq_work
> - why is it doing additional changes?
>
Just to move all the check code together and be a standalone function.
yes, this somewhat does code refining after the irqwork is removed but
I think it is normal.
> > Don't worry about performance, this function will be inlined by
> > compiler.
>
> I'm not worried about that at all.
>
> Btw, why are you sending private mail and not keeping the discussion on
> the mailing list?
>
oops, typed wrong key. Just added back.
> --
> Regards/Gruss,
> Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette
--
Cheers,
Changbin Du
next prev parent reply other threads:[~2020-01-10 17:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-01 7:20 [PATCH] x86/nmi: remove the irqwork from long duration nmi handler Changbin Du
2020-01-07 14:41 ` Changbin Du
2020-01-09 20:55 ` Thomas Gleixner
2020-01-09 21:02 ` Borislav Petkov
[not found] ` <20200110140549.xqjhrdpxllkvqbuk@mail.google.com>
[not found] ` <20200110151329.GF19453@zn.tnic>
2020-01-10 17:34 ` Changbin Du [this message]
2020-01-10 19:58 ` Borislav Petkov
2020-01-11 0:17 ` Changbin Du
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