linux-kernel - Re: [PATCH v1 0/2] Try to avoid some qsorts

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 for Android: free password hash cracker in your pocket

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

Message-ID: <172012303630.184013.1986960651509995819.b4-ty@kernel.org>
Date: Thu,  4 Jul 2024 12:57:33 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
	linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Steinar Gunderson <sesse@...gle.com>,
	Matt Fleming <matt@...dmodwrite.com>,
	Ian Rogers <irogers@...gle.com>
Subject: Re: [PATCH v1 0/2] Try to avoid some qsorts

On Wed, 03 Jul 2024 10:21:15 -0700, Ian Rogers wrote:

> Reference count checking doesn't work well with rbtree due to the need
> for counts on each child and parent edge. As such the reference count
> checking changes removed rbtree and replaced them with sorted
> arrays. There have been instances where sorting has been shown to be a
> regression:
> https://lore.kernel.org/lkml/20240521165109.708593-1-irogers@google.com/
> 
> [...]

Applied to perf-tools-next, thanks!

Best regards,
Namhyung