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Linus Torvalds 0aa099a312 * Lots of bug fixes.
* Fix virtualization of RDPID
 
 * Virtualization of DR6_BUS_LOCK, which on bare metal is new in
   the 5.13 merge window
 
 * More nested virtualization migration fixes (nSVM and eVMCS)
 
 * Fix for KVM guest hibernation
 
 * Fix for warning in SEV-ES SRCU usage
 
 * Block KVM from loading on AMD machines with 5-level page tables,
   due to the APM not mentioning how host CR4.LA57 exactly impacts
   the guest.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:

 - Lots of bug fixes.

 - Fix virtualization of RDPID

 - Virtualization of DR6_BUS_LOCK, which on bare metal is new to this
   release

 - More nested virtualization migration fixes (nSVM and eVMCS)

 - Fix for KVM guest hibernation

 - Fix for warning in SEV-ES SRCU usage

 - Block KVM from loading on AMD machines with 5-level page tables, due
   to the APM not mentioning how host CR4.LA57 exactly impacts the
   guest.

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (48 commits)
  KVM: SVM: Move GHCB unmapping to fix RCU warning
  KVM: SVM: Invert user pointer casting in SEV {en,de}crypt helpers
  kvm: Cap halt polling at kvm->max_halt_poll_ns
  tools/kvm_stat: Fix documentation typo
  KVM: x86: Prevent deadlock against tk_core.seq
  KVM: x86: Cancel pvclock_gtod_work on module removal
  KVM: x86: Prevent KVM SVM from loading on kernels with 5-level paging
  KVM: X86: Expose bus lock debug exception to guest
  KVM: X86: Add support for the emulation of DR6_BUS_LOCK bit
  KVM: PPC: Book3S HV: Fix conversion to gfn-based MMU notifier callbacks
  KVM: x86: Hide RDTSCP and RDPID if MSR_TSC_AUX probing failed
  KVM: x86: Tie Intel and AMD behavior for MSR_TSC_AUX to guest CPU model
  KVM: x86: Move uret MSR slot management to common x86
  KVM: x86: Export the number of uret MSRs to vendor modules
  KVM: VMX: Disable loading of TSX_CTRL MSR the more conventional way
  KVM: VMX: Use common x86's uret MSR list as the one true list
  KVM: VMX: Use flag to indicate "active" uret MSRs instead of sorting list
  KVM: VMX: Configure list of user return MSRs at module init
  KVM: x86: Add support for RDPID without RDTSCP
  KVM: SVM: Probe and load MSR_TSC_AUX regardless of RDTSCP support in host
  ...
2021-05-10 12:30:45 -07:00
arch * Lots of bug fixes. 2021-05-10 12:30:45 -07:00
block block-5.13-2021-05-09 2021-05-09 13:25:14 -07:00
certs Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
crypto for-5.13/drivers-2021-04-27 2021-04-28 14:39:37 -07:00
Documentation * Lots of bug fixes. 2021-05-10 12:30:45 -07:00
drivers fbmem: fix horribly incorrect placement of __maybe_unused 2021-05-09 14:03:33 -07:00
fs 3 small SMB3 chmultichannel related changesets (also for stable) 2021-05-09 13:19:29 -07:00
include block-5.13-2021-05-09 2021-05-09 13:25:14 -07:00
init Merge branch 'akpm' (patches from Andrew) 2021-05-07 00:34:51 -07:00
ipc ipc/sem.c: spelling fix 2021-05-07 00:26:34 -07:00
kernel A set of scheduler updates: 2021-05-09 13:14:34 -07:00
lib Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
LICENSES LICENSES: Add the CC-BY-4.0 license 2020-12-08 10:33:27 -07:00
mm mm: fix typos in comments 2021-05-07 00:26:35 -07:00
net Networking fixes for 5.13-rc1, including fixes from bpf, can 2021-05-08 08:31:46 -07:00
samples Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
scripts Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
security Simple code cleanup 2021-05-05 12:08:06 -07:00
sound sound fixes for 5.13-rc1 2021-05-07 11:40:18 -07:00
tools * Lots of bug fixes. 2021-05-10 12:30:45 -07:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt kvm: Cap halt polling at kvm->max_halt_poll_ns 2021-05-07 06:06:22 -04:00
.clang-format cxl for 5.12 2021-02-24 09:38:36 -08:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap It's been a relatively busy cycle in docsland, though more than usually 2021-04-26 13:22:43 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: move Murali Karicheri to credits 2021-04-29 15:47:30 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Networking fixes for 5.13-rc1, including fixes from bpf, can 2021-05-08 08:31:46 -07:00
Makefile Linux 5.13-rc1 2021-05-09 14:17:44 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.