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A mirror of the official Linux kernel repository just in case
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Arnaldo Carvalho de Melo e48f62aece tools headers UAPI: Sync linux/kvm.h with the kernel sources 
To pick the changes in:

  19238e75bd ("kvm: x86: Allow userspace to handle emulation errors")
  cb082bfab5 ("KVM: stats: Add fd-based API to read binary stats data")
  b87cc116c7 ("KVM: PPC: Book3S HV: Add KVM_CAP_PPC_RPT_INVALIDATE capability")
  f0376edb1d ("KVM: arm64: Add ioctl to fetch/store tags in a guest")
  0dbb112304 ("KVM: X86: Introduce KVM_HC_MAP_GPA_RANGE hypercall")
  6dba940352 ("KVM: x86: Introduce KVM_GET_SREGS2 / KVM_SET_SREGS2")
  644f706719 ("KVM: x86: hyper-v: Introduce KVM_CAP_HYPERV_ENFORCE_CPUID")

That automatically adds support for these new ioctls:

  $ tools/perf/trace/beauty/kvm_ioctl.sh > before
  $ cp include/uapi/linux/kvm.h tools/include/uapi/linux/kvm.h
  $ tools/perf/trace/beauty/kvm_ioctl.sh > after
  $ diff -u before after
  --- before	2021-07-01 13:42:07.006387354 -0300
  +++ after	2021-07-01 13:45:16.051649301 -0300
  @@ -95,6 +95,9 @@
   	[0xc9] = "XEN_HVM_SET_ATTR",
   	[0xca] = "XEN_VCPU_GET_ATTR",
   	[0xcb] = "XEN_VCPU_SET_ATTR",
  +	[0xcc] = "GET_SREGS2",
  +	[0xcd] = "SET_SREGS2",
  +	[0xce] = "GET_STATS_FD",
   	[0xe0] = "CREATE_DEVICE",
   	[0xe1] = "SET_DEVICE_ATTR",
   	[0xe2] = "GET_DEVICE_ATTR",
  $

This silences these perf build warning:

  Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h'
  diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h
  Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from latest version at 'include/uapi/linux/kvm.h'
  diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h

Cc: Aaron Lewis <aaronlewis@google.com>
Cc: Ashish Kalra <ashish.kalra@amd.com>
Cc: Bharata B Rao <bharata@linux.ibm.com>
Cc: Jing Zhang <jingzhangos@google.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Maxim Levitsky <mlevitsk@redhat.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Steven Price <steven.price@arm.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-01 16:14:37 -03:00
arch Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
block sched: Change task_struct::state 2021-06-18 11:43:09 +02:00
certs Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-06-28 16:04:56 -07:00
Documentation Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
drivers Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
fs dlm for 5.14 2021-06-29 20:30:00 -07:00
include 38 cifs/smb3 fixes including improvement to fallocate emulation, some DFS fixes. About 1/3 are to address Coverity warnings 2021-06-29 20:18:16 -07:00
init sched: Change task_struct::state 2021-06-18 11:43:09 +02:00
ipc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2021-06-28 20:39:26 -07:00
kernel Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
lib Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
LICENSES LICENSES: Add the CC-BY-4.0 license 2020-12-08 10:33:27 -07:00
mm Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
net Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
samples This was a reasonably active cycle for documentation; this pull includes: 2021-06-28 16:53:05 -07:00
scripts Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
security integrity-v5.14 2021-06-28 16:15:50 -07:00
sound spi: Updates for v5.14 2021-06-28 11:10:20 -07:00
tools tools headers UAPI: Sync linux/kvm.h with the kernel sources 2021-07-01 16:14:37 -03:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.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 m68k updates for v5.14 2021-06-28 14:01:03 -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 printk changes for 5.14 2021-06-29 12:07:18 -07:00
Makefile arm64 updates for 5.14 2021-06-28 14:04:24 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -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.

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.