linux-kernel - Re: [PATCH 1/1] sched: panic, when call schedule with preemption disable

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Message-ID: <20191121123048.GQ4097@hirez.programming.kicks-ass.net>
Date:   Thu, 21 Nov 2019 13:30:48 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     YT Chang <yt.chang@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        wsd_upstream@...iatek.com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 1/1] sched: panic, when call schedule with preemption
 disable

On Thu, Nov 21, 2019 at 04:13:05PM +0800, YT Chang wrote:
> When preemption is disable, call schedule() is incorrect behavior.
> Suggest to panic directly rather than depend on panic_on_warn.

Why!?