From: Borislav Petkov <bp@alien8.de>
To: Nikolay Borisov <nik.borisov@suse.com>
Cc: Kuan-Wei Chiu <visitorckw@gmail.com>,
linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org,
Yazen.Ghannam@amd.com
Subject: Re: [PATCH v2] RAS/AMD/ATL: Remove bitwise_xor_bits
Date: Mon, 24 Nov 2025 14:34:42 +0100 [thread overview]
Message-ID: <20251124133442.GEaSRe8jPj_7WBXAw_@fat_crate.local> (raw)
In-Reply-To: <3e191e87-5b7f-49e9-b794-eb244d478c56@suse.com>
On Mon, Nov 24, 2025 at 03:24:40PM +0200, Nikolay Borisov wrote:
> So yeah, much better IMHO, unless there is some hidden latency in the popcnt...
Yap, exactly. And every CPU we care about supports POPCNT. And this is soo not
perf-sensitive so let's whack that function.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2025-11-24 13:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-24 8:40 Nikolay Borisov
2025-11-24 8:57 ` Kuan-Wei Chiu
2025-11-24 11:05 ` Borislav Petkov
2025-11-24 12:03 ` Kuan-Wei Chiu
2025-11-24 12:52 ` Borislav Petkov
2025-11-24 13:24 ` Nikolay Borisov
2025-11-24 13:34 ` Borislav Petkov [this message]
2025-11-25 9:35 ` david laight
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