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Sender: Guenter Roeck <groeck7@gmail.com>
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Date: Thu, 29 Feb 2024 12:22:29 -0800
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Subject: Re: [PATCH v10] lib: checksum: Use aligned accesses for ip_fast_csum
 and csum_ipv6_magic tests
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To: Charlie Jenkins <charlie@rivosinc.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
 Christophe Leroy <christophe.leroy@csgroup.eu>,
 "Russell King (Oracle)" <linux@armlinux.org.uk>,
 David Laight <David.Laight@aculab.com>, Palmer Dabbelt <palmer@dabbelt.com>,
 Andrew Morton <akpm@linux-foundation.org>, Helge Deller <deller@gmx.de>,
 "James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
 Parisc List <linux-parisc@vger.kernel.org>, Arnd Bergmann <arnd@arndb.de>,
 "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
 Palmer Dabbelt <palmer@rivosinc.com>,
 Linux ARM <linux-arm-kernel@lists.infradead.org>,
 "open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@vger.kernel.org>,
 KUnit Development <kunit-dev@googlegroups.com>
References: <b13b8847977d4cfa99b6a0c9a0fcbbcf@AcuMS.aculab.com>
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 <Zd25XWTkDPuIjpF8@shell.armlinux.org.uk> <Zd58jvN3PjQSe+yt@ghost>
 <c0449c0a-33bc-49c4-97e3-56a79a6ce93e@csgroup.eu>
 <02bb92c3-a14c-4a77-a3b0-a7c857d1d60d@roeck-us.net>
 <CAMuHMdW-sUYr8_y6av9Dbtz6JJAxBUsiTGZcK2QYEHo0x1z44w@mail.gmail.com>
 <e9112858-76b8-4b91-88b1-b5694cda3350@roeck-us.net> <ZeDdOH0zBY8qKrVH@ghost>
From: Guenter Roeck <linux@roeck-us.net>
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On 2/29/24 11:38, Charlie Jenkins wrote:
[ ... ]
>> Tough one. I can't enable CONFIG_NET_TEST on nios2, parisc, and arm with THUMB
>> enabled due to crashes or hangs in gso tests. I accept that. Downside is that I
>> have to disable CONFIG_NET_TEST on those architectures/platforms entirely,
>> meaning a whole class of tests are missing for those architectures. I would
>> prefer to have a configuration option such as CONFIG_NET_GSO_TEST to let me
>> disable the problematic tests for the affected platforms so I can run all
>> the other network unit tests. Yes, obviously something is wrong either with
>> the affected tests or with the implementation of the tested functionality
>> on the affected systems, but that could be handled separately if a separate
>> configuration option existed, and new regressions in other tests on the affected
>> architectures could be identified as they happen.
> 
> I think I got confused here, is this an issue with the tests included in
> this patch or is it unrelated?
> 

Unrelated. It was intended to be an example of another set of tests which
suffer from a similar problem (crash on certain architectures if enabled).
Sorry for the confusion.

Guenter