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Adrian Hunter 076333870c perf intel-pt: Fix divide by zero when TSC is not available 
When TSC is not available, "timeless" decoding is used but a divide by
zero occurs if perf_time_to_tsc() is called.

Ensure the divisor is not zero.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org # v4.9+
Link: https://lkml.kernel.org/n/tip-1i4j0wqoc8vlbkcizqqxpsf4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-03-01 14:48:30 -03:00
arch
Merge tag 'perf-core-for-mingo-5.1-20190225' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
2019-02-28 08:29:50 +01:00
block
Merge tag 'for-linus-20190215' of git://git.kernel.dk/linux-block
2019-02-15 09:12:28 -08:00
certs
kbuild: remove redundant target cleaning on failure
2019-01-06 09:46:51 +09:00
crypto
net: crypto set sk to NULL when af_alg_release.
2019-02-18 12:01:24 -08:00
Documentation
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-02-24 09:28:26 -08:00
drivers
Merge tag 'perf-core-for-mingo-5.1-20190225' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
2019-02-28 08:29:50 +01:00
firmware
kbuild: change filechk to surround the given command with { }
2019-01-06 09:46:51 +09:00
fs
afs: Fix manually set volume location server list
2019-02-25 11:59:07 -08:00
include
Merge tag 'perf-core-for-mingo-5.1-20190225' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
2019-02-28 08:29:50 +01:00
init
revert "initramfs: cleanup incomplete rootfs"
2019-02-21 09:00:59 -08:00
ipc
ipc: IPCMNI limit check for semmni
2018-10-31 08:54:14 -07:00
kernel
perf: Mark expected switch fall-through
2019-03-01 10:54:00 -03:00
lib
Merge branch 'linus' into perf/core, to pick up fixes
2019-02-28 08:27:17 +01:00
LICENSES
Merge tag 'docs-4.20' of git://git.lwn.net/linux
2018-10-24 18:01:11 +01:00
mm
tmpfs: fix uninitialized return value in shmem_link
2019-02-25 11:49:22 -08:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-02-24 09:28:26 -08:00
samples
samples: mei: use /dev/mei0 instead of /dev/mei
2019-01-30 15:24:45 +01:00
scripts
kallsyms: Handle too long symbols in kallsyms.c
2019-01-28 13:02:09 +09:00
security
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-02-24 09:28:26 -08:00
sound
Merge tag 'sound-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2019-02-20 09:42:52 -08:00
tools
perf intel-pt: Fix divide by zero when TSC is not available
2019-03-01 14:48:30 -03:00
usr
user/Makefile: Fix typo and capitalization in comment section
2018-12-11 00:18:03 +09:00
virt
Merge tag 'kvm-arm-fixes-for-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
2019-02-13 19:39:24 +01:00
.clang-format
clang-format: Update .clang-format with the latest for_each macro list
2019-01-19 19:26:06 +01:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
Add hch to .get_maintainer.ignore
2015-08-21 14:30:10 -07:00
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
kbuild: Add support for DT binding schema checks
2018-12-13 09:41:32 -06:00
.mailmap
Merge tag 'mips_fixes_4.21_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
2019-01-05 12:48:25 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
CREDITS/MAINTAINERS: Retire parisc-linux.org email domain
2019-02-21 20:16:10 +01:00
Kbuild
kbuild: use assignment instead of define ... endef for filechk_* rules
2019-01-06 10:22:35 +09:00
Kconfig
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt
2018-08-02 08:06:55 +09:00
MAINTAINERS
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-02-24 09:28:26 -08:00
Makefile
Linux 5.0-rc8
2019-02-24 16:46:45 -08:00
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.
Description
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