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Linus Torvalds f5b7769eb0 Revert "debugfs: inode: debugfs_create_dir uses mode permission from parent" 
This reverts commit 95cde3c599.

The commit had good intentions, but it breaks kvm-tool and qemu-kvm.

With it in place, "lkvm run" just fails with

  Error: KVM_CREATE_VM ioctl
  Warning: Failed init: kvm__init

which isn't a wonderful error message, but bisection pinpointed the
problematic commit.

The problem is almost certainly due to the special kvm debugfs entries
created dynamically by kvm under /sys/kernel/debug/kvm/.  See
kvm_create_vm_debugfs()

Bisected-and-reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Wanpeng Li <kernellwp@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2018-06-12 20:52:16 -07:00
Documentation - Adjust various DM structure members to improve alignment relative to 2018-06-12 18:12:08 -07:00
LICENSES LICENSES: Add Linux-OpenIB license text 2018-04-27 16:41:53 -06:00
arch KVM: x86: VMX: fix build without hyper-v 2018-06-12 20:28:00 -07:00
block treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
certs certs/blacklist_nohashes.c: fix const confusion in certs blacklist 2018-02-21 15:35:43 -08:00
crypto treewide: Use array_size() in sock_kmalloc() 2018-06-12 16:19:22 -07:00
drivers - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
firmware kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
fs Revert "debugfs: inode: debugfs_create_dir uses mode permission from parent" 2018-06-12 20:52:16 -07:00
include - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
init Merge branch 'core-rseq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-10 10:17:09 -07:00
ipc treewide: kvmalloc() -> kvmalloc_array() 2018-06-12 16:19:22 -07:00
kernel treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
lib - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
mm treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
net - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
samples VFIO updates for v4.18 2018-06-12 13:11:26 -07:00
scripts Staging/IIO patches for 4.18-rc1 2018-06-09 10:32:39 -07:00
security treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
sound - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
tools Small update for KVM. 2018-06-12 11:34:04 -07:00
usr kbuild: rename built-in.o to built-in.a 2018-03-26 02:01:19 +09:00
virt - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
.clang-format clang-format: add configuration file 2018-04-11 10:28:35 -07:00
.cocciconfig
…
.get_maintainer.ignore
…
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
.mailmap Merge branch 'asoc-4.17' into asoc-4.18 for compress dependencies 2018-04-26 12:24:28 +01:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS MAINTAINERS/CREDITS: Drop METAG ARCHITECTURE 2018-03-05 16:34:24 +00:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig kconfig: add basic helper macros to scripts/Kconfig.include 2018-05-29 03:31:19 +09:00
MAINTAINERS pci-v4.18-changes-2 2018-06-12 15:05:02 -07:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-06-06 18:39:49 -07:00
README Docs: Added a pointer to the formatted docs to README 2018-03-21 09:02:53 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.