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From: Florian Weimer <fweimer@redhat.com>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH v3 2/2] Default to --with-default-link=no (bug 25812)
Date: Fri, 29 Apr 2022 15:17:38 +0200	[thread overview]
Message-ID: <87a6c458r1.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <138c11d6-0def-2ff4-73da-c4346a855043@linaro.org> (Adhemerval Zanella's message of "Fri, 29 Apr 2022 09:59:38 -0300")

* Adhemerval Zanella:

> On 11/04/2022 12:32, Florian Weimer via Libc-alpha wrote:
>> This is necessary to place the libio vtables into the RELRO segment.
>> New tests elf/tst-relro-ldso and elf/tst-relro-libc are added to
>> verify that this is what actually happens.
>> 
>> The new tests fail on ia64 due to lack of (default) RELRO support
>> inbutils, so they are XFAILed there.
>
> I always frown upon new configure options, since they tend to degrade over
> time (as --disable-shared for instance [1]) and require additional 
> maintaining costs.  Why can't we make the required semantic the default 
> (since usually relro has minimal costs it a net gain in hardening)?

This is what the patch does, I think.

Thanks,
Florian


  reply	other threads:[~2022-04-29 13:17 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-11 15:32 [PATCH v3 1/2] scripts: Add glibcelf.py module Florian Weimer
2022-04-11 15:32 ` [PATCH v3 2/2] Default to --with-default-link=no (bug 25812) Florian Weimer
2022-04-22  6:12   ` Siddhesh Poyarekar
2022-04-22  6:35     ` Florian Weimer
2022-04-22  8:12       ` Siddhesh Poyarekar
2022-04-22  8:24         ` Florian Weimer
2022-04-22  8:32           ` Siddhesh Poyarekar
2022-04-22  8:34             ` Florian Weimer
2022-04-22  8:36               ` Siddhesh Poyarekar
2022-04-22  8:56       ` Andreas Schwab
2022-04-29 16:02       ` Dmitry V. Levin
2022-04-29 16:14         ` Florian Weimer
2022-04-29 20:48           ` Dmitry V. Levin
2022-04-28  7:25   ` Fangrui Song
2022-04-28  8:40     ` Florian Weimer
2022-04-29  6:00       ` Fangrui Song
2022-04-29  7:09         ` Florian Weimer
2022-04-29  7:43           ` Fangrui Song
2022-04-29 14:55             ` Florian Weimer
2022-04-29 19:26               ` Fangrui Song
2022-04-29 12:59   ` Adhemerval Zanella
2022-04-29 13:17     ` Florian Weimer [this message]
2022-04-29 13:55       ` Adhemerval Zanella
2022-04-29 14:03         ` Florian Weimer
2022-04-21 15:54 ` [PATCH v3 1/2] scripts: Add glibcelf.py module Siddhesh Poyarekar
2022-04-21 20:23   ` Florian Weimer

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