linux-kernel - Re: linux-next: Tree for July 12 (debugfs/sysfs/rcu)

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: <20100712124750.8ab5e870.randy.dunlap@oracle.com>
Date:	Mon, 12 Jul 2010 12:47:50 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>, gregkh@...e.de
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for July 12 (debugfs/sysfs/rcu)

On Mon, 12 Jul 2010 15:51:09 +1000 Stephen Rothwell wrote:

> Hi all,
> 
> Changes since 20100709:

Greg,
What is there about debugfs that requires sysfs?

(lib/Kconfig.debug:)

config DEBUG_FS
	bool "Debug Filesystem"
	depends on SYSFS

I ask because kconfig now (in linux-next) warns about kconfig dependency
problems, like this one:

warning: (TREE_RCU_TRACE || AMD_IOMMU_STATS && AMD_IOMMU || MTD_UBI_DEBUG && MTD && SYSFS && MTD_UBI || UBIFS_FS_DEBUG && MISC_FILESYSTEMS && UBIFS_FS || DEBUG_KMEMLEAK && DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && (X86 || ARM || PPC || S390 || SPARC64 || SUPERH || MICROBLAZE) && SYSFS || TRACING || X86_PTDUMP && DEBUG_KERNEL || BLK_DEV_IO_TRACE && TRACING_SUPPORT && FTRACE && SYSFS && BLOCK) selects DEBUG_FS which has unmet direct dependencies (SYSFS)

because TREE_RCU_TRACE selects DEBUG_FS, even when SYSFS is not enabled.
I first made a patch to have TREE_RCU_TRACE depend on SYSFS, but then I just
removed the DEBUG_FS "depends on SYSFS" and the kernel builds fine,
hence the first question.

thanks,
---
~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/