linux-kernel - Re: [patch 3/8] x86/apic: Provide apic_ack

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Date:   Tue, 5 Jun 2018 13:41:18 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Dou Liyang <douly.fnst@...fujitsu.com>
cc:     LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Borislav Petkov <bp@...en8.de>,
        Dmitry Safonov <0x7f454c46@...il.com>,
        Tariq Toukan <tariqt@...lanox.com>,
        Song Liu <liu.song.a23@...il.com>,
        Joerg Roedel <jroedel@...e.de>,
        Mike Travis <mike.travis@....com>, stable@...r.kernel.org
Subject: Re: [patch 3/8] x86/apic: Provide apic_ack_irq()

On Tue, 5 Jun 2018, Dou Liyang wrote:
> > +{
> > +	if (unlikely(irqd_is_setaffinity_pending(irqd)))
> 
> Affinity pending is also judged in
> 
> > +		irq_move_irq(irqd);
> 
> If we can remove the if(...) statement here

That requires to fix all call sites in ia64 and that's why I didn't.  But
we can make irq_move_irq() an inline function and have the check in the
inline.

Thanks,

	tglx