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Namhyung Kim 242bbe2188 perf hists browser: Fix the number of entries for 'e' key 
commit f6b8436bed upstream.

The 'e' key is to toggle expand/collapse the selected entry only.  But
the current code has a bug that it only increases the number of entries
by 1 in the hierarchy mode so users cannot move under the current entry
after the key stroke.  This is due to a wrong assumption in the
hist_entry__set_folding().

The commit b33f922651 ("perf hists browser: Put hist_entry folding
logic into single function") factored out the code, but actually it
should be handled separately.  The hist_browser__set_folding() is to
update fold state for each entry so it needs to traverse all (child)
entries regardless of the current fold state.  So it increases the
number of entries by 1.

But the hist_entry__set_folding() only cares the currently selected
entry and its all children.  So it should count all unfolded child
entries.  This code is implemented in hist_browser__toggle_fold()
already so we can just call it.

Fixes: b33f922651 ("perf hists browser: Put hist_entry folding logic into single function")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230731094934.1616495-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-09-19 12:23:02 +02:00
arch MIPS: Fix CONFIG_CPU_DADDI_WORKAROUNDS `modules_install' regression 2023-09-19 12:23:02 +02:00
block block/partition: fix signedness issue for Amiga partitions 2023-07-23 13:47:37 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:22:01 +02:00
crypto X.509: if signature is unsupported skip validation 2023-09-19 12:22:52 +02:00
Documentation dt-bindings: clock: xlnx,versal-clk: drop select:false 2023-09-19 12:22:56 +02:00
drivers drm/amd/display: prevent potential division by zero errors 2023-09-19 12:23:02 +02:00
fs btrfs: use the correct superblock to compare fsid in btrfs_validate_super 2023-09-19 12:23:01 +02:00
include ip_tunnels: use DEV_STATS_INC() 2023-09-19 12:22:59 +02:00
init x86/mm: Initialize text poking earlier 2023-08-08 19:58:33 +02:00
io_uring io_uring: break iopolling on signal 2023-09-19 12:22:54 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:28:45 +01:00
kernel tracing: Zero the pipe cpumask on alloc to avoid spurious -EBUSY 2023-09-19 12:22:53 +02:00
lib lib: test_scanf: Add explicit type cast to result initialization in test_number_prefix() 2023-09-19 12:23:01 +02:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm mm/vmalloc: add a safer version of find_vm_area() for debug 2023-09-19 12:22:50 +02:00
net netfilter: nfnetlink_osf: avoid OOB read 2023-09-19 12:23:00 +02:00
samples samples/bpf: fix broken map lookup probe 2023-09-19 12:22:34 +02:00
scripts kconfig: fix possible buffer overflow 2023-09-19 12:22:56 +02:00
security smackfs: Prevent underflow in smk_set_cipso() 2023-09-19 12:22:39 +02:00
sound ALSA: pcm: Fix missing fixup call in compat hw_refine ioctl 2023-09-19 12:22:50 +02:00
tools perf hists browser: Fix the number of entries for 'e' key 2023-09-19 12:23:02 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:27:15 +01:00
virt KVM: Grab a reference to KVM for VM and vCPU stats file descriptors 2023-08-03 10:22:40 +02:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.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 iio: stx104: Move to addac subdirectory 2023-08-26 14:23:27 +02:00
Makefile kbuild: do not run depmod for 'make modules_sign' 2023-09-19 12:22:56 +02:00
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.