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Nicholas Piggin f771b55731 KVM: PPC: Use KVM_CAP_PPC_AIL_MODE_3 
Use KVM_CAP_PPC_AIL_MODE_3 to advertise the capability to set the AIL
resource mode to 3 with the H_SET_MODE hypercall. This capability
differs between processor types and KVM types (PR, HV, Nested HV), and
affects guest-visible behaviour.

QEMU will implement a cap-ail-mode-3 to control this behaviour[1], and
use the KVM CAP if available to determine KVM support[2].

[1] https://lists.nongnu.org/archive/html/qemu-ppc/2022-02/msg00437.html
[2] https://lists.nongnu.org/archive/html/qemu-ppc/2022-02/msg00439.html

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
[mpe: Rebase onto 93b71801a8 from kvm-ppc-cap-210 branch, add EXPORT_SYMBOL]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220222064727.2314380-4-npiggin@gmail.com
2022-03-08 13:14:01 +11:00
arch KVM: PPC: Use KVM_CAP_PPC_AIL_MODE_3 2022-03-08 13:14:01 +11:00
block block: bio-integrity: Advance seed correctly for larger interval sizes 2022-02-03 21:09:24 -07:00
certs
crypto lib/crypto: blake2s: avoid indirect calls to compression function for Clang CFI 2022-02-04 19:22:32 +01:00
Documentation KVM: PPC: reserve capability 210 for KVM_CAP_PPC_AIL_MODE_3 2022-02-22 09:06:54 -05:00
drivers - Remove a bogus warning introduced by the recent PCI MSI irq affinity 2022-02-06 10:00:40 -08:00
fs Various bug fixes for ext4 fast commit and inline data handling. Also 2022-02-06 10:34:45 -08:00
include KVM: PPC: reserve capability 210 for KVM_CAP_PPC_AIL_MODE_3 2022-02-22 09:06:54 -05:00
init
ipc ipc/sem: do not sleep with a spin lock held 2022-02-04 09:25:05 -08:00
kernel perf/urgent contains 3 fixups: 2022-02-06 10:11:14 -08:00
lib lib/crypto: blake2s: avoid indirect calls to compression function for Clang CFI 2022-02-04 19:22:32 +01:00
LICENSES
mm mm/kmemleak: avoid scanning potential huge holes 2022-02-04 09:25:05 -08:00
net A patch to make it possible to disable zero copy path in the messenger 2022-02-04 09:54:02 -08:00
samples
scripts ftrace: Have architectures opt-in for mcount build time sorting 2022-01-27 19:15:44 -05:00
security selinux/stable-5.17 PR 20220203 2022-02-03 16:44:12 -08:00
sound ASoC: Fixes for v5.17 2022-02-01 16:52:54 +01:00
tools KVM: PPC: reserve capability 210 for KVM_CAP_PPC_AIL_MODE_3 2022-02-22 09:06:54 -05:00
usr
virt Two larger x86 series: 2022-01-28 19:00:26 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: update Christian Brauner's email address 2022-02-01 11:21:31 -08:00
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS ata fixes for 5.17-rc3 2022-02-04 11:52:37 -08:00
Makefile Linux 5.17-rc3 2022-02-06 12:20:50 -08:00
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.