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Adrian Hunter d01508f2df perf auxtrace: Add mmap_needed to auxtrace_mmap_params
Add mmap_needed to auxtrace_mmap_params.

Currently an auxtrace mmap is always attempted even if the event is not an
auxtrace event. That works because, when AUX area tracing, there is always
an auxtrace event first for every mmap. Prepare for that not being the
case, which it won't be when sideband tracking events are allowed on
all CPUs even when auxtrace is limited to selected CPUs.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Link: https://lore.kernel.org/r/20220524075436.29144-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-05-26 12:36:56 -03:00
arch dma-mapping updates for Linux 5.19 2022-05-25 19:18:36 -07:00
block Page cache changes for 5.19 2022-05-24 19:55:07 -07:00
certs certs: Explain the rationale to call panic() 2022-05-23 18:47:49 +03:00
crypto certs: Factor out the blacklist hash creation 2022-05-23 18:47:49 +03:00
Documentation SCSI misc on 20220524 2022-05-25 19:09:48 -07:00
drivers dma-mapping updates for Linux 5.19 2022-05-25 19:18:36 -07:00
fs xfs: Changes for 5.19-rc1 2022-05-25 19:34:40 -07:00
include \n 2022-05-25 19:29:54 -07:00
init slab changes for 5.19 2022-05-25 10:24:04 -07:00
ipc fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
kernel \n 2022-05-25 19:29:54 -07:00
lib Networking changes for 5.19. 2022-05-25 12:22:58 -07:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm linux-kselftest-kunit-5.19-rc1 2022-05-25 11:32:53 -07:00
net Networking changes for 5.19. 2022-05-25 12:22:58 -07:00
samples drm for 5.19-rc1 2022-05-25 16:18:27 -07:00
scripts Add new functions to alloc check for 5.19-rc1 2022-05-25 14:37:00 -07:00
security linux-kselftest-kunit-5.19-rc1 2022-05-25 11:32:53 -07:00
sound sound updates for 5.19-rc1 2022-05-25 16:55:16 -07:00
tools perf auxtrace: Add mmap_needed to auxtrace_mmap_params 2022-05-26 12:36:56 -03:00
usr Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
virt KVM: Free new dirty bitmap if creating a new memslot fails 2022-05-20 13:02:05 -04:00
.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 Scheduler changes in this cycle were: 2022-05-24 11:11:13 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
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 sound updates for 5.19-rc1 2022-05-25 16:55:16 -07:00
Makefile kernel-hardening updates for v5.19-rc1 2022-05-24 12:27:09 -07:00
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.