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Srikar Dronamraju 569cbce1b4 scripts/faddr2line: Fix regression in name resolution on ppc64le 
[ Upstream commit 2d77de1581 ]

Commit 1d1a0e7c51 ("scripts/faddr2line: Fix overlapping text section
failures") can cause faddr2line to fail on ppc64le on some
distributions, while it works fine on other distributions. The failure
can be attributed to differences in the readelf output.

  $ ./scripts/faddr2line vmlinux find_busiest_group+0x00
  no match for find_busiest_group+0x00

On ppc64le, readelf adds the localentry tag before the symbol name on
some distributions, and adds the localentry tag after the symbol name on
other distributions. This problem has been discussed previously:

  https://lore.kernel.org/bpf/20191211160133.GB4580@calabresa/

This problem can be overcome by filtering out the localentry tags in the
readelf output. Similar fixes are already present in the kernel by way
of the following commits:

  1fd6cee127 ("libbpf: Fix VERSIONED_SYM_COUNT number parsing")
  aa915931ac ("libbpf: Fix readelf output parsing for Fedora")

[jpoimboe: rework commit log]

Fixes: 1d1a0e7c51 ("scripts/faddr2line: Fix overlapping text section failures")
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Reviewed-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Link: https://lore.kernel.org/r/20220927075211.897152-1-srikar@linux.vnet.ibm.com
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-04-19 17:56:46 +08:00
arch arm64: mte: Avoid setting PG_mte_tagged if no tags cleared or restored 2023-04-19 17:56:45 +08:00
block block, bfq: fix null pointer dereference in bfq_bio_bfqg() 2023-04-19 17:56:33 +08:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2023-04-19 17:50:34 +08:00
crypto crypto: akcipher - default implementation for setting a private key 2023-04-19 17:55:27 +08:00
Documentation docs: update mediator contact information in CoC doc 2023-04-19 17:56:27 +08:00
drivers iio: light: rpr0521: add missing Kconfig dependencies 2023-04-19 17:56:46 +08:00
fs btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit() 2023-04-19 17:56:46 +08:00
include rxrpc: Use refcount_t rather than atomic_t 2023-04-19 17:56:35 +08:00
init init/Kconfig: fix CC_HAS_ASM_GOTO_TIED_OUTPUT test with dash 2023-04-19 17:56:40 +08:00
ipc ipc/mqueue: use get_tree_nodev() in mqueue_get_tree() 2023-04-19 17:49:52 +08:00
kernel bpf, perf: Use subprog name when reporting subprog ksymbol 2023-04-19 17:56:46 +08:00
lib lib/vdso: use "grep -E" instead of "egrep" 2023-04-19 17:56:40 +08:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm mm: vmscan: fix extreme overreclaim and swap floods 2023-04-19 17:56:41 +08:00
net tcp: configurable source port perturb table size 2023-04-19 17:56:43 +08:00
samples samples/landlock: Format with clang-format 2023-04-19 17:50:01 +08:00
scripts scripts/faddr2line: Fix regression in name resolution on ppc64le 2023-04-19 17:56:46 +08:00
security capabilities: fix potential memleak on error path from vfs_getxattr_alloc() 2023-04-19 17:56:03 +08:00
sound ASoC: stm32: dfsdm: manage cb buffers cleanup 2023-04-19 17:56:42 +08:00
tools tools: iio: iio_generic_buffer: Fix read size 2023-04-19 17:56:42 +08:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2023-04-19 17:44:58 +08:00
virt kvm: Add support for arch compat vm ioctls 2023-04-19 17:55:40 +08:00
.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 mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
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 Input: goodix - add a goodix.h header file 2023-04-19 17:50:59 +08:00
Makefile Linux 5.15.81 2023-04-19 17:56:45 +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.