linux-kernel - Re: on builds/randconfigs

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <4D2E313D.3040209@oracle.com>
Date:	Wed, 12 Jan 2011 14:54:53 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Len Brown <lenb@...nel.org>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-acpi@...r.kernel.org,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Zhang Rui <rui.zhang@...el.com>, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Zimny Lech <napohybelskurwysynom2010@...il.com>
Subject: Re: on builds/randconfigs

On 01/12/11 13:58, Len Brown wrote:
>>> These unusable config combinations should be prevented via Kconfig. 
>>> That prevents users from selecting them, which otherwise adds to
>>> our workload and to theirs.  It also prevents false-positives
>>> during our useful randconfig testing.
>>
>> But it is kind of difficult to achieve IMhO.  For example, there are options
>> that are only SELECTed if something else is set, but randconfig doesn't seem
>> to care.

s/randconfig/kconfig/


> Kconfig select needs to be fixed so that it is not possible to
> select something if that something's dependencies are not met.
> 
> This long standing issue is independent of randconfig,
> but Randy can probably attest that a measurable portion
> of the randconfig failures are due to this bug.

Certainly.  At least now we have a kconfig warning on this class of
problem.

-- 
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/