linux-kernel - Re: [PATCH 1/9] slub: Make PREEMPT

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Message-ID: <YwYuT0lzbexTRn6Y@linutronix.de>
Date:   Wed, 24 Aug 2022 15:57:35 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Matthew Wilcox <willy@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Christoph Lameter <cl@...ux.com>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Pekka Enberg <penberg@...nel.org>, linux-mm@...ck.org
Subject: Re: [PATCH 1/9] slub: Make PREEMPT_RT support less convoluted

On 2022-08-24 15:54:54 [+0200], Vlastimil Babka wrote:
> Yeah, realizing that this is true on RT led to the recent patch I
> referenced. Initially when converting SLUB to RT last year I didn't realize
> this detail, and instead replaced the irq disabling done (only on !RT) by
> e.g. local_lock_irqsave with the manual local_irq_save().

Ah, okay. Let me get to the other series then ;)

Sebastian