linux-kernel - Re: [RFC PATCH v2 3/4] percpu: Repurpose __percpu tag as a named address space qualifier

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Message-Id: <74B42046-E39E-4068-A6CB-F3315A702285@gmail.com>
Date: Mon, 12 Aug 2024 22:12:36 +0300
From: Nadav Amit <nadav.amit@...il.com>
To: Uros Bizjak <ubizjak@...il.com>
Cc: "open list:MEMORY MANAGEMENT" <linux-mm@...ck.org>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Dennis Zhou <dennis@...nel.org>,
 Tejun Heo <tj@...nel.org>,
 Christoph Lameter <cl@...ux.com>,
 Andy Lutomirski <luto@...nel.org>,
 Ingo Molnar <mingo@...nel.org>,
 Brian Gerst <brgerst@...il.com>,
 Denys Vlasenko <dvlasenk@...hat.com>,
 "H. Peter Anvin" <hpa@...or.com>,
 Linus Torvalds <torvalds@...ux-foundation.org>,
 Peter Zijlstra <peterz@...radead.org>,
 Thomas Gleixner <tglx@...utronix.de>,
 Borislav Petkov <bp@...en8.de>,
 Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Subject: Re: [RFC PATCH v2 3/4] percpu: Repurpose __percpu tag as a named
 address space qualifier

> On 12 Aug 2024, at 14:57, Uros Bizjak <ubizjak@...il.com> wrote:
> 
> +#define per_cpu_qual /* nothing */

I wouldn't do that (the “/* nothing */“ part). It might cause a mess
unnecessarily is used with a comment.