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Linus Torvalds 165d05d88c - Fix the futex PI requeue machinery to not return to userspace in 
inconsistent state
 
 - Avoid a potential null pointer dereference in the ww_mutex deadlock check
 
 - Other smaller cleanups and optimizations
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Merge tag 'locking_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking fixes from Borislav Petkov:

 - Fix the futex PI requeue machinery to not return to userspace in
   inconsistent state

 - Avoid a potential null pointer dereference in the ww_mutex deadlock
   check

 - Other smaller cleanups and optimizations

* tag 'locking_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/rtmutex: Fix ww_mutex deadlock check
  futex: Remove unused variable 'vpid' in futex_proxy_trylock_atomic()
  futex: Avoid redundant task lookup
  futex: Clarify comment for requeue_pi_wake_futex()
  futex: Prevent inconsistent state and exit race
  futex: Return error code instead of assigning it without effect
  locking/rwsem: Add missing __init_rwsem() for PREEMPT_RT
2021-09-12 11:27:05 -07:00
arch RISC-V Patches for the 5.15 Merge Window, Part 2 2021-09-11 14:29:42 -07:00
block block-5.15-2021-09-11 2021-09-11 10:19:51 -07:00
certs
crypto
Documentation virtio,vdpa,vhost: features, fixes 2021-09-11 14:48:42 -07:00
drivers virtio,vdpa,vhost: features, fixes 2021-09-11 14:48:42 -07:00
fs Merge branch 'misc.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-09-12 10:43:51 -07:00
include - Fix the futex PI requeue machinery to not return to userspace in 2021-09-12 11:27:05 -07:00
init
ipc
kernel - Fix the futex PI requeue machinery to not return to userspace in 2021-09-12 11:27:05 -07:00
lib Minor fixes to the processing of the bootconfig tree. 2021-09-11 10:16:30 -07:00
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mm
net virtio,vdpa,vhost: features, fixes 2021-09-11 14:48:42 -07:00
samples
scripts RISC-V Patches for the 5.15 Merge Window, Part 2 2021-09-11 14:29:42 -07:00
security
sound
tools virtio,vdpa,vhost: features, fixes 2021-09-11 14:48:42 -07:00
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Makefile
README

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.

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.