From: Bruce Richardson <bruce.richardson@intel.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: <dev@dpdk.org>, <stable@dpdk.org>,
Tyler Retzlaff <roretzla@linux.microsoft.com>
Subject: Re: [PATCH v2 06/10] app/test: fix operator precedence bug
Date: Fri, 15 Nov 2024 09:06:03 +0000 [thread overview]
Message-ID: <ZzcO-2lnzM8BG_Ku@bricha3-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <20241114192603.41145-7-stephen@networkplumber.org>
On Thu, Nov 14, 2024 at 11:25:04AM -0800, Stephen Hemminger wrote:
> The test loop was much shorter than desired because when
> MAX_NUM is defined with out paren's the divide operator /
> takes precedence over shift.
>
> But when MAX_NUM is fixed, some tests take too long
> and have to modified to avoid running over full N^2
> space of 1<<20.
>
> Note: this is a very old bug, goes back to 2013.
>
> Link: https://pvs-studio.com/en/blog/posts/cpp/1179/
>
> Fixes: 1fb8b07ee511 ("app: add some tests")
> Cc: stable@dpdk.org
>
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
next prev parent reply other threads:[~2024-11-15 9:06 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-14 0:12 [RFC 00/10] unit test bugs Stephen Hemminger
2024-11-14 0:12 ` [RFC 01/10] app/test: do not duplicate loop variable Stephen Hemminger
2024-11-14 0:12 ` [RFC 02/10] app/test: fix typo in mac address compare Stephen Hemminger
2024-11-14 0:12 ` [RFC 03/10] app/test: fix paren typo Stephen Hemminger
2024-11-14 0:12 ` [RFC 04/10] app/test: avoid duplicate initialization Stephen Hemminger
2024-11-14 0:12 ` [RFC 05/10] app/test: fix TLS zero length record Stephen Hemminger
2024-11-14 0:12 ` [RFC 06/10] test/eal: fix core check in c flag test Stephen Hemminger
2024-11-14 0:12 ` [RFC 07/10] app/test-pmd: remove redundant condition Stephen Hemminger
2024-11-14 0:12 ` [RFC 08/10] app/test-pmd: avoid potential outside of array reference Stephen Hemminger
2024-11-14 0:12 ` [RFC 09/10] app/test-dma-perf: fix parsing of dma address Stephen Hemminger
2024-11-14 7:00 ` Morten Brørup
2024-11-14 16:21 ` Stephen Hemminger
2024-11-15 7:19 ` fengchengwen
2024-11-14 0:12 ` [RFC 10/10] app/test: fix operator precedence bug Stephen Hemminger
2024-11-14 19:24 ` [PATCH v2 00/10] Bug fixes for unit tests Stephen Hemminger
2024-11-14 19:24 ` [PATCH v2 01/10] app/test: do not duplicated loop variable Stephen Hemminger
2024-11-15 9:01 ` Bruce Richardson
2024-11-14 19:25 ` [PATCH v2 02/10] app/test: fix typo in address compare Stephen Hemminger
2024-11-14 19:25 ` [PATCH v2 03/10] app/test: fix paren typo Stephen Hemminger
2024-11-15 9:02 ` Bruce Richardson
2024-11-14 19:25 ` [PATCH v2 04/10] app/test: avoid duplicate initialization Stephen Hemminger
2024-11-15 9:03 ` Bruce Richardson
2024-11-14 19:25 ` [PATCH v2 05/10] app/test: fix TLS zero length record Stephen Hemminger
2024-11-14 19:25 ` [PATCH v2 06/10] app/test: fix operator precedence bug Stephen Hemminger
2024-11-15 9:06 ` Bruce Richardson [this message]
2024-11-14 19:25 ` [PATCH v2 07/10] test/eal: fix core check in c flag test Stephen Hemminger
2024-11-15 9:07 ` Bruce Richardson
2024-11-14 19:25 ` [PATCH v2 08/10] app/test-pmd: remove redundant condition Stephen Hemminger
2024-11-14 19:27 ` Ajit Khaparde
2024-11-15 9:08 ` Bruce Richardson
2024-11-14 19:25 ` [PATCH v2 09/10] app/test-pmd: avoid potential outside of array reference Stephen Hemminger
2024-11-15 9:09 ` Bruce Richardson
2024-11-14 19:25 ` [PATCH v2 10/10] app/test-dma-perf: fix parsing of DMA address Stephen Hemminger
2024-11-15 9:13 ` Bruce Richardson
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