linux-kernel - Re: [PATCH] profiling: remove prof_cpu

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAHk-=wg-qQGB2iM1OeprikBWp9-nUEDaWNxwwJ00u1vmUJVtHg@mail.gmail.com>
Date: Sat, 27 Jul 2024 14:22:31 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>, 
	Anna-Maria Gleixner <anna-maria@...utronix.de>, Andrew Morton <akpm@...ux-foundation.org>, 
	Arnd Bergmann <arnd@...db.de>, Mel Gorman <mgorman@...hsingularity.net>, 
	Michal Hocko <mhocko@...e.com>, Peter Zijlstra <peterz@...radead.org>, Vlastimil Babka <vbabka@...e.cz>, 
	Ingo Molnar <mingo@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] profiling: remove prof_cpu_mask

On Sat, 27 Jul 2024 at 14:20, Thomas Gleixner <tglx@...utronix.de> wrote:
>
> Only people who indulge in nostalgia will notice :)

... and the *really* nostalgic people will be happy that we're back to
the old days (pre-2004) with just a simple array that is addressed by
shifting the instruction pointer...

I wonder how many people actually use this ancient kernel profiling
thing. I get the feeling that it's "one real user and a hundred syzbot
test failures".

            Linus