From: Borislav Petkov <bp@alien8.de>
To: Ingo Molnar <mingo@kernel.org>
Cc: Uros Bizjak <ubizjak@gmail.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH -tip 2/2] x86/hweight: Use POPCNT when available with X86_NATIVE_CPU option
Date: Sun, 30 Mar 2025 21:28:13 +0200 [thread overview]
Message-ID: <20250330192813.GEZ-mbTd6ZIHWr52gO@fat_crate.local> (raw)
In-Reply-To: <Z-mZfCvep7iMrqoU@gmail.com>
On Sun, Mar 30, 2025 at 09:20:28PM +0200, Ingo Molnar wrote:
> Tangible code size reduction, if it can be realized, is definitely
> 'something', so your claim is simply false.
I don't think you're reading my mails.
What "tangible code size reduction"?
9K vmlinux size?
For sections which are getting jettisoned after boot?
So now the rule is what: make the asm an unreadable mess just to save 9K disk
space?
I call that bullshit. A total and stinking one.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2025-03-30 19:28 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-25 16:48 [PATCH -tip 1/2] x86/hweight: Fix false output register dependency of POPCNT insn Uros Bizjak
2025-03-25 16:48 ` [PATCH -tip 2/2] x86/hweight: Use POPCNT when available with X86_NATIVE_CPU option Uros Bizjak
2025-03-25 17:11 ` Borislav Petkov
2025-03-30 15:15 ` Uros Bizjak
2025-03-30 17:31 ` Borislav Petkov
2025-03-30 18:47 ` Ingo Molnar
2025-03-30 19:06 ` Borislav Petkov
2025-03-30 19:20 ` Ingo Molnar
2025-03-30 19:28 ` Borislav Petkov [this message]
2025-03-25 21:56 ` Ingo Molnar
2025-03-29 9:19 ` Uros Bizjak
2025-03-29 11:00 ` David Laight
2025-03-30 7:49 ` Uros Bizjak
2025-03-30 18:02 ` David Laight
2025-03-29 23:10 ` H. Peter Anvin
2025-03-30 6:54 ` Uros Bizjak
2025-03-30 9:56 ` Ingo Molnar
2025-03-30 16:07 ` Uros Bizjak
2025-03-30 18:15 ` David Laight
2025-03-30 22:44 ` H. Peter Anvin
2025-03-30 18:54 ` Ingo Molnar
2025-03-25 17:09 ` [PATCH -tip 1/2] x86/hweight: Fix false output register dependency of POPCNT insn Borislav Petkov
2025-03-25 17:17 ` Uros Bizjak
2025-03-25 17:44 ` Borislav Petkov
2025-03-25 21:50 ` Ingo Molnar
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