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driver core fixes for 4.9-rc3

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Here are two small driver core / kernfs fixes for 4.9-rc3.  One makes
 the Kconfig entry for DEBUG_TEST_DRIVER_REMOVE a bit more explicit that
 this is a crazy thing to enable for a distro kernel (thanks for trying
 Fedora!), the other resolves an issue with vim opening kernfs files
 (sysfs, configfs, etc.).
 
 Both have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are two small driver core / kernfs fixes for 4.9-rc3.

  One makes the Kconfig entry for DEBUG_TEST_DRIVER_REMOVE a bit more
  explicit that this is a crazy thing to enable for a distro kernel
  (thanks for trying Fedora!), the other resolves an issue with vim
  opening kernfs files (sysfs, configfs, etc.)

  Both have been in linux-next with no reported issues"

* tag 'driver-core-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  driver core: Make Kconfig text for DEBUG_TEST_DRIVER_REMOVE stronger
  kernfs: Add noop_fsync to supported kernfs_file_fops
This commit is contained in:
Linus Torvalds 2016-10-29 10:57:40 -07:00
commit c636e176d8
2 changed files with 5 additions and 2 deletions
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6
drivers/base/Kconfig
View File

@ -213,14 +213,16 @@ config DEBUG_DEVRES
If you are unsure about this, Say N here.
config DEBUG_TEST_DRIVER_REMOVE
bool "Test driver remove calls during probe"
bool "Test driver remove calls during probe (UNSTABLE)"
depends on DEBUG_KERNEL
help
Say Y here if you want the Driver core to test driver remove functions
by calling probe, remove, probe. This tests the remove path without
having to unbind the driver or unload the driver module.
If you are unsure about this, say N here.
This option is expected to find errors and may render your system
unusable. You should say N here unless you are explicitly looking to
test this functionality.
config SYS_HYPERVISOR
bool

1
fs/kernfs/file.c
View File

@ -911,6 +911,7 @@ const struct file_operations kernfs_file_fops = {
.open = kernfs_fop_open,
.release = kernfs_fop_release,
.poll = kernfs_fop_poll,
.fsync = noop_fsync,
};
/**