linux-kernel - Re: [PATCH 2/9] sched: treewide: use is

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Message-ID: <CAMuHMdWEq69VAwNZsWN_8OUZ1S1m0uFrG6ET_iH3c9peiCLyDA@mail.gmail.com>
Date:   Wed, 14 Aug 2019 13:27:45 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Mark Rutland <mark.rutland@....com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Borislav Petkov <bp@...e.de>,
        Catalin Marinas <catalin.marinas@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Christoph Hellwig <hch@....de>, kan.liang@...el.com,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Rik van Riel <riel@...riel.com>,
        Will Deacon <will@...nel.org>
Subject: Re: [PATCH 2/9] sched: treewide: use is_kthread()

Hi Mark,

On Wed, Aug 14, 2019 at 12:43 PM Mark Rutland <mark.rutland@....com> wrote:
> Now that we have is_kthread(), let's convert existing open-coded checks
> of the form:
>
>   task->flags & PF_KTHREAD
>
> ... over to the new helper, which makes things a little easier to read,
> and sets a consistent example for new code to follow.
>
> Generated with coccinelle:
>
>   ----
>   virtual patch
>
>   @ depends on patch @
>   expression E;
>   @@
>
>   - (E->flags & PF_KTHREAD)
>   + is_kthread(E)
>   ----
>
> ... though this didn't pick up the instance in <linux/cgroup.h>, which I
> fixed up manually.
>
> Instances checking multiple PF_* flags at ocne are left as-is for now.
>
> There should be no functional change as a result of this patch.
>
> Signed-off-by: Mark Rutland <mark.rutland@....com>

>  arch/m68k/kernel/process.c       | 2 +-

Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds