From: Namhyung Kim <namhyung@kernel.org>
To: peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
Kuan-Wei Chiu <visitorckw@gmail.com>
Cc: mark.rutland@arm.com, alexander.shishkin@linux.intel.com,
jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com,
kan.liang@linux.intel.com,
Ching-Chun Huang <jserv@ccns.ncku.edu.tw>,
Chun-Ying Huang <chuang@cs.nycu.edu.tw>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
James Clark <james.clark@linaro.org>,
stable@vger.kernel.org
Subject: Re: [PATCH v3] perf bench: Fix undefined behavior in cmpworker()
Date: Mon, 20 Jan 2025 10:26:53 -0800 [thread overview]
Message-ID: <173739761304.3950752.5970208244862437457.b4-ty@kernel.org> (raw)
In-Reply-To: <20250116110842.4087530-1-visitorckw@gmail.com>
On Thu, 16 Jan 2025 19:08:42 +0800, Kuan-Wei Chiu wrote:
> The comparison function cmpworker() violates the C standard's
> requirements for qsort() comparison functions, which mandate symmetry
> and transitivity:
>
> Symmetry: If x < y, then y > x.
> Transitivity: If x < y and y < z, then x < z.
>
> [...]
Applied to perf-tools-next, thanks!
Best regards,
Namhyung
prev parent reply other threads:[~2025-01-20 18:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-16 11:08 Kuan-Wei Chiu
2025-01-16 11:35 ` James Clark
2025-01-20 18:26 ` Namhyung Kim [this message]
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