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Naveen N. Rao c2067f7f88 powerpc64/bpf: Do not save/restore LR on each call to bpf_stf_barrier()

Instead of saving and restoring LR before each invocation to
bpf_stf_barrier(), set SEEN_FUNC flag so that we save/restore LR in
prologue/epilogue.

Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/4446f25478d82a2a4ac9dab2ebdfd88ddf923eb7.1644834730.git.naveen.n.rao@linux.vnet.ibm.com

2022-03-08 00:04:57 +11:00

arch

powerpc64/bpf: Do not save/restore LR on each call to bpf_stf_barrier()

2022-03-08 00:04:57 +11:00

block

block: add bio_start_io_acct_time() to control start_time

2022-01-28 12:28:15 -07:00

certs

certs: Fix build error when CONFIG_MODULE_SIG_KEY is empty

2022-01-23 00:08:44 +09:00

crypto

lib/crypto: add prompts back to crypto libraries

2022-01-18 13:03:55 +01:00

Documentation

powerpc/papr_scm: Implement initial support for injecting smart errors

2022-02-16 23:10:47 +11:00

drivers

Merge branch 'topic/func-desc-lkdtm' into next

2022-03-07 23:34:32 +11:00

ocfs2: fix a deadlock when commit trans

2022-01-30 09:56:58 +02:00

include

asm-generic: Refactor dereference_[kernel]_function_descriptor()

2022-02-16 23:25:11 +11:00

init

lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()

2022-01-22 08:33:37 +02:00

ipc

proc: remove PDE_DATA() completely

2022-01-22 08:33:37 +02:00

kernel

Merge branch 'topic/func-desc-lkdtm' into next

2022-03-07 23:34:32 +11:00

lib

kasan: test: fix compatibility with FORTIFY_SOURCE

2022-01-30 09:56:58 +02:00

LICENSES

LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers

2021-12-16 14:33:10 +01:00

memory-failure: fetch compound_head after pgmap_pfn_valid()

2022-01-30 09:56:58 +02:00

net

Merge tag 'fsnotify_for_v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2022-01-28 17:51:31 +02:00

samples

Merge branch 'akpm' (patches from Andrew)

2022-01-20 10:41:01 +02:00

scripts

ftrace: Have architectures opt-in for mcount build time sorting

2022-01-27 19:15:44 -05:00

security

Merge tag 'fixes-v5.17-lsm-ceph-null' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

2022-01-29 08:52:27 +02:00

sound

powerpc/machdep: Move sys_ctrler_t definition into pmac_feature.h

2022-02-07 21:02:20 +11:00

tools

Merge branch 'topic/func-desc-lkdtm' into next

2022-03-07 23:34:32 +11:00

usr

kbuild: remove include/linux/cyclades.h from header file check

2022-01-27 08:51:08 +01:00

virt

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2022-01-28 19:00:26 +02:00

.clang-format

genirq/msi: Make interrupt allocation less convoluted

2021-12-16 22:22:20 +01:00

.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

mailmap: update email address of Brian Silverman

2022-01-24 18:27:23 +01:00

COPYING

COPYING: state that all contributions really are covered by this file

2020-02-10 13:32:20 -08:00

CREDITS

MAINTAINERS: Removing Ohad from remoteproc/rpmsg maintenance

2021-12-08 10:09:40 -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

Merge tag 'net-5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2022-01-27 20:58:39 +02:00

Makefile

Linux 5.17-rc2

2022-01-30 15:37:07 +02:00

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.