linux-kernel - Re: [PATCH] default to n for GROUP_SCHED and FAIR_GROUP

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]

Date:	Mon, 5 May 2008 15:36:45 -0300
From:	"Sergio Luis" <sergio@...e.br>
To:	"Sam Ravnborg" <sam@...nborg.org>
Cc:	"Ingo Molnar" <mingo@...e.hu>,
	"Parag Warudkar" <parag.warudkar@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"akpm@...l.org" <akpm@...l.org>,
	"Peter Zijlstra" <peterz@...radead.org>,
	"Arjan van de Ven" <arjan@...radead.org>,
	"Dave Jones" <davej@...hat.com>
Subject: Re: [PATCH] default to n for GROUP_SCHED and FAIR_GROUP_SCHED

On Mon, May 5, 2008 at 3:24 PM, Sam Ravnborg <sam@...nborg.org> wrote:
> On Mon, May 05, 2008 at 07:15:01PM +0200, Ingo Molnar wrote:
>  >
>  > * Parag Warudkar <parag.warudkar@...il.com> wrote:
>  >
>  > > sched-devel does not boot on my machine - stops right after PCI: Not
>  > > using mmconfig.
>  > >
>  > > Here is my config for sched-devel - I did a echo "n" | make oldconfig
>  > > after copying over the previous config file BTW. Should I try
>  > > disabling things in config? What's most likely to break boot? (Seems
>  > > likes there are a lot of significant changes in there.)
>  >
>  > every config is supposed to work, but in general you should pick the
>  > defaults instead of saying 'n' to all questions. As long as every
>  > question can be answered with an 'enter', this should work:
>  >
>  >   make oldconfig < /dev/null
>  >
>  > this non-interactive 'make oldconfig' will hang with the kconfig tool
>  > looping infinitely if there's any numeric question that cannot be
>  > answered via 'enter'.
>  >
>  > This is a many years old kconfig bug that is frequently hacked around in
>  > distro kernel packages but which has been ignored upstream - i've
>  > attached Fedora's nonint_oldconfig patch from Dave Jones below. (maybe
>  > Arjan wrote it originally?)
>
>  In latest kbuild.git I've added a new feature.
>
>         make K=.config alldefconfig
>
>  would give you eaxtly what you request here.
>  K= is used to say where to locate the base-configuration.
>
>  The above will give you a configuration based on your old configuration
>  with all new options set to default values.
>
>  That could maybe be more intuitive but when you consider it you
>  could have your base config in many different places.
>  Like /boot/config-xxx, /proc/config.gz etc.
>  So allowing the user to specify the base config with K= seems
>  like an acceptable solution.

Can I specify /proc/config.gz (gzipped) in the K parameter?
-sergio

>
>  Current version in kbuild.git is broken with respect to make O=...
>  builds but that will be fixed in an hour or so.
>
>  redhat has the added possibility to list new symbols.
>  This is not yet included in mainline.
>  Not that it is difficult - I just need to decide where/how to do it.
>
>         Sam
>
--
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/