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40eea5abbb9ccae6df55dfd94c3c85c023e2521b
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Florian Rommel 40eea5abbb scripts/gdb: fix detection of current CPU in KGDB 
Directly read the current CPU number from the kgdb_active variable.

Before, the active CPU was obtained through the current task, which
required searching the task list for the pid of GDB's selected thread. 
Obtaining the pid was buggy: GDB may use selected_thread().ptid[1] (LWPID)
instead of .ptid[2] (TID) to store the threads pid; see
https://sourceware.org/gdb/current/onlinedocs/gdb.html/Threads-In-Python.html
As a result, the detection could return the wrong CPU number, leading to
incorrect results for $lx_per_cpu and $lx_current.

As a side effect, the patch significantly speeds up $lx_per_cpu and
$lx_current in KGDB by avoiding the task-list iteration.

Link: https://lkml.kernel.org/r/20240425153501.749966-5-mail@florommel.de
Signed-off-by: Florian Rommel <mail@florommel.de>
Cc: Andrew Jones <ajones@ventanamicro.com>
Cc: Deepak Gupta <debug@rivosinc.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-05-08 08:41:28 -07:00
..
atomic
locking/atomic: scripts: Clarify ordering of conditional atomics
2024-02-20 09:55:09 +01:00
basic
kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion
2023-06-22 21:21:06 +09:00
clang-tools
gen_compile_commands: fix invalid escape sequence warning
2024-02-15 06:57:19 +09:00
coccinelle
Merge tag 'cocci-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux
2024-03-21 10:17:10 -07:00
dtc
dt: dt-extract-compatibles: Don't follow symlinks when walking tree
2023-11-09 11:56:39 -06:00
dummy-tools
kbuild: dummy-tools: pretend we understand -fpatchable-function-entry
2023-11-01 23:24:56 +09:00
gcc-plugins
gcc-plugins/stackleak: Avoid .head.text section
2024-04-03 14:35:49 -07:00
gdb
scripts/gdb: fix detection of current CPU in KGDB
2024-05-08 08:41:28 -07:00
genksyms
genksyms: use getopt_long() unconditionally
2023-11-28 11:22:50 +09:00
kconfig
kconfig: Fix typo HEIGTH to HEIGHT
2024-03-31 21:09:50 +09:00
ksymoops
…
mod
modpost: do not make find_tosym() return NULL
2024-03-28 11:04:26 +09:00
package
kbuild: rpm-pkg: add dtb files in kernel rpm
2024-03-19 02:30:51 +09:00
selinux
selinux: remove runtime disable message in the install_policy.sh script
2022-09-20 14:12:25 -04:00
tracing
tracing: Always use canonical ftrace path
2023-02-18 14:34:09 -05:00
.gitignore
rust: support running Rust documentation tests as KUnit ones
2023-07-19 09:32:53 -06:00
as-version.sh
kbuild: Update assembler calls to use proper flags and language target
2023-01-26 12:41:38 +09:00
asn1_compiler.c
ASN.1: Fix check for strdup() success
2023-04-21 08:58:00 -07:00
bloat-o-meter
scripts/bloat-o-meter: count weak symbol sizes
2023-08-21 13:46:25 -07:00
bootgraph.pl
…
bpf_doc.py
scripts/bpf_doc: Use silent mode when exec make cmd
2024-03-15 14:46:31 +01:00
cc-can-link.sh
…
cc-version.sh
scripts: Remove ICC-related dead code
2023-04-24 10:18:32 -07:00
check_extable.sh
scripts: check_extable: fix typo in user error message
2021-09-08 11:50:28 -07:00
check-git
kbuild: use git-archive for source package creation
2023-03-16 22:46:12 +09:00
check-sysctl-docs
scripts: check-sysctl-docs: handle per-namespace sysctls
2024-02-23 12:13:09 +01:00
check-uapi.sh
check-uapi: Introduce check-uapi.sh
2023-12-29 22:25:20 +09:00
checkdeclares.pl
scripts: make some scripts executable
2021-08-10 09:13:25 +09:00
checkincludes.pl
…
checkkconfigsymbols.py
scripts: handle BrokenPipeError for python scripts
2023-01-26 12:43:33 +09:00
checkpatch.pl
Merge tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-01-17 16:47:17 -08:00
checkstack.pl
scripts/checkstack.pl: fix no space expression between sp and offset
2023-12-29 12:22:28 -08:00
checksyscalls.sh
checksyscalls: ignore fstat to silence build warning on LoongArch
2023-03-23 17:18:32 -07:00
checkversion.pl
scripts: checkversion: modernize linux/version.h search strings
2021-08-05 20:55:39 +09:00
cleanfile
…
cleanpatch
…
coccicheck
scripts: coccicheck: Use /usr/bin/env
2023-02-25 20:11:06 +01:00
config
kconfig: config script: add a little user help
2021-01-04 10:38:11 +09:00
const_structs.checkpatch
const_structs.checkpatch: add device_type
2024-03-06 13:07:39 -08:00
decode_stacktrace.sh
scripts/decode_stacktrace.sh: optionally use LLVM utilities
2024-01-12 15:20:46 -08:00
decodecode
scripts/decodecode: add support for LoongArch
2023-12-29 12:22:25 -08:00
depmod.sh
kbuild: move depmod rule to scripts/Makefile.modinst
2023-08-29 22:38:23 +09:00
dev-needs.sh
scripts/dev-needs: Add script to list device dependencies
2020-09-04 18:19:37 +02:00
diffconfig
scripts: handle BrokenPipeError for python scripts
2023-01-26 12:43:33 +09:00
documentation-file-ref-check
scripts: documentation-file-ref-check: fix bpf selftests path
2021-10-26 09:42:29 -06:00
export_report.pl
modpost: move the namespace field in Module.symvers last
2020-03-17 08:59:03 +09:00
extract_xc3028.pl
…
extract-ikconfig
scripts/extract-ikconfig: add zstd compression support
2022-08-29 13:58:47 +09:00
extract-module-sig.pl
…
extract-sys-certs.pl
…
extract-vmlinux
…
faddr2line
scripts/faddr2line: Skip over mapping symbols in output from readelf
2023-10-23 08:36:46 -07:00
file-size.sh
…
find-unused-docs.sh
…
gcc-x86_32-has-stack-protector.sh
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
gcc-x86_64-has-stack-protector.sh
…
gen-randstruct-seed.sh
randstruct: Move seed generation into scripts/basic/
2022-05-08 01:33:07 -07:00
generate_initcall_order.pl
init: lto: ensure initcall ordering
2021-01-14 08:21:09 -08:00
generate_rust_analyzer.py
scripts: generate_rust_analyzer: provide cfgs for core and alloc
2023-08-20 22:54:32 +02:00
generate_rust_target.rs
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2024-03-14 15:35:42 -07:00
get_abi.pl
scripts/get_abi.pl: ignore some temp files
2024-01-03 14:02:17 -07:00
get_dvb_firmware
…
get_feat.pl
scripts: get_feat.pl: use /usr/bin/env to find perl
2022-06-30 12:22:17 -06:00
get_maintainer.pl
get_maintainer: remove stray punctuation when cleaning file emails
2023-12-31 10:57:42 -08:00
gfp-translate
scripts: fix the gfp flags header path in gfp-translate
2023-06-19 13:19:32 -07:00
git.orderFile
scripts: Introduce a default git.orderFile
2023-12-29 22:25:20 +09:00
head-object-list.txt
scripts: clean up IA-64 code
2023-12-03 18:51:48 +09:00
headerdep.pl
…
headers_install.sh
hexagon: Remove CONFIG_HEXAGON_ARCH_VERSION from uapi header
2023-11-23 10:38:58 +01:00
insert-sys-cert.c
…
install.sh
kbuild: factor out the common installation code into scripts/install.sh
2022-05-11 21:45:53 +09:00
jobserver-exec
scripts: support GNU make 4.4 in jobserver-exec
2023-01-16 20:15:20 +09:00
kallsyms.c
scripts/kallsyms: Fix build failure by setting errno before calling getline()
2023-07-29 15:57:32 +09:00
Kbuild.include
kbuild: simplify dtbs_install by reading the list of compiled DTBs
2024-02-19 18:20:39 +09:00
Kconfig.include
kbuild: Add -Wa,--fatal-warnings to as-instr invocation
2024-02-16 16:07:07 -08:00
kernel-doc
docs: Fix bitfield handling in kernel-doc
2024-03-29 08:36:27 -06:00
ld-version.sh
kbuild: collect minimum tool versions into scripts/min-tool-version.sh
2021-04-25 05:14:26 +09:00
leaking_addresses.pl
leaking_addresses: Provide mechanism to scan binary files
2024-02-29 13:38:03 -08:00
Lindent
…
link-vmlinux.sh
kbuild: Fix changing ELF file type for output of gen_btf for big endian
2024-02-15 06:56:40 +09:00
Makefile
Merge tag 'loongarch-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
2024-03-22 10:22:45 -07:00
Makefile.asm-generic
kbuild: add kbuild-file macro
2022-11-22 23:40:02 +09:00
Makefile.btf
kbuild: avoid too many execution of scripts/pahole-flags.sh
2023-10-28 21:10:08 +09:00
Makefile.build
Merge tag 'kbuild-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2024-03-21 14:41:00 -07:00
Makefile.clang
Merge tag 'kbuild-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2023-07-01 09:24:31 -07:00
Makefile.clean
kbuild: make clean rule robust against too long argument error
2023-06-25 23:12:20 +09:00
Makefile.compiler
kbuild: Add -Wa,--fatal-warnings to as-instr invocation
2024-02-16 16:07:07 -08:00
Makefile.debug
Makefile.debug: support for -gz=zstd
2022-11-21 10:18:39 +09:00
Makefile.defconf
kbuild: defconf: use SRCARCH to find merged configs
2024-01-28 01:13:37 +09:00
Makefile.dtbinst
kbuild: simplify dtbs_install by reading the list of compiled DTBs
2024-02-19 18:20:39 +09:00
Makefile.extrawarn
kbuild: make -Woverride-init warnings more consistent
2024-03-31 11:32:26 +09:00
Makefile.gcc-plugins
gcc-plugins: Undefine LATENT_ENTROPY_PLUGIN when plugin disabled for a file
2022-08-16 12:25:53 -07:00
Makefile.headersinst
kbuild: prefix $(srctree)/ to some included Makefiles
2021-03-15 19:20:48 +09:00
Makefile.host
kbuild: mark rustc (and others) invocations as recursive
2024-02-29 22:16:38 +01:00
Makefile.kasan
kasan: remove hwasan-kernel-mem-intrinsic-prefix=1 for clang-14
2023-04-18 16:29:43 -07:00
Makefile.kcov
kbuild: include scripts/Makefile.* only when relevant CONFIG is enabled
2020-08-10 01:32:59 +09:00
Makefile.kcsan
kcsan: Ignore GCC 11+ warnings about TSan runtime support
2021-12-09 16:42:27 -08:00
Makefile.kmsan
kmsan: add KMSAN runtime core
2022-10-03 14:03:19 -07:00
Makefile.lib
Merge tag 'kbuild-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2024-03-21 14:41:00 -07:00
Makefile.modfinal
kbuild: Disable KCSAN for autogenerated *.mod.c intermediaries
2024-03-31 21:09:41 +09:00
Makefile.modinst
kbuild: Use CRC32 and a 1MiB dictionary for XZ compressed modules
2023-09-25 16:01:05 +09:00
Makefile.modpost
linux/export.h: make <linux/export.h> independent of CONFIG_MODULES
2023-07-25 00:59:32 +09:00
Makefile.package
kbuild: unexport abs_srctree and abs_objtree
2024-03-10 17:27:17 +09:00
Makefile.randstruct
randstruct: Enable Clang support
2022-05-08 01:33:07 -07:00
Makefile.ubsan
ubsan: Reintroduce signed overflow sanitizer
2024-02-20 20:44:49 -08:00
Makefile.userprogs
kbuild: support 'userldlibs' syntax
2023-11-01 23:26:01 +09:00
Makefile.vdsoinst
kbuild: fix build ID symlinks to installed debug VDSO files
2023-12-23 23:24:03 +09:00
Makefile.vmlinux
x86/retpoline: Make sure there are no unconverted return thunks due to KCSAN
2023-10-20 13:02:23 +02:00
Makefile.vmlinux_o
x86/bugs: Rename CONFIG_CPU_SRSO => CONFIG_MITIGATION_SRSO
2024-01-10 10:52:29 +01:00
makelst
…
markup_oops.pl
…
min-tool-version.sh
Merge tag 'mm-nonmm-stable-2024-03-14-09-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-03-14 18:03:09 -07:00
misc-check
kbuild: make W=1 warn files that are tracked but ignored by git
2023-01-22 23:43:33 +09:00
mkcompile_h
Revert "kbuild: Make scripts/compile.h when sh != bash"
2022-09-29 04:40:15 +09:00
mksysmap
kallsyms: ignore ARMv4 thunks along with others
2024-02-15 22:44:56 +09:00
mkuboot.sh
…
module.lds.S
arm64: unwind: add asynchronous unwind tables to kernel and modules
2022-11-09 18:06:35 +00:00
modules-check.sh
kbuild: change module.order to list *.o instead of *.ko
2022-12-14 15:42:40 +09:00
nsdeps
scripts/nsdeps: adjust to the format change of *.mod files
2022-06-08 20:14:13 +09:00
objdiff
kbuild: clean .tmp_* pattern by make clean
2022-06-05 06:20:57 +09:00
objdump-func
scripts/objdump-func: Support multiple functions
2023-04-14 16:08:28 +02:00
orc_hash.sh
x86/unwind/orc: Add ELF section with ORC version identifier
2023-06-16 17:17:42 +02:00
pahole-version.sh
kbuild: Add CONFIG_PAHOLE_VERSION
2022-02-02 11:19:33 +01:00
parse-maintainers.pl
parse-maintainers: Do not sort section content by default
2020-03-26 15:08:27 -07:00
patch-kernel
…
profile2linkerlist.pl
…
prune-kernel
scripts/prune-kernel: Use kernel-install if available
2022-05-11 21:46:38 +09:00
recordmcount.c
scripts: clean up IA-64 code
2023-12-03 18:51:48 +09:00
recordmcount.h
recordmcount: Correct st_shndx handling
2021-06-18 09:09:17 -04:00
recordmcount.pl
riscv: remove MCOUNT_NAME workaround
2024-02-22 15:38:54 -08:00
relocs_check.sh
powerpc: Move script to check relocations at compile time in scripts/
2023-04-19 07:46:31 -07:00
remove-stale-files
kbuild: rpm-pkg: generate kernel.spec in rpmbuild/SPECS/
2023-10-03 20:49:09 +09:00
rust_is_available_bindgen_libclang.h
scripts: add rust_is_available.sh
2022-09-28 09:02:06 +02:00
rust_is_available_test.py
kbuild: rust_is_available: add test suite
2023-08-10 01:18:34 +02:00
rust_is_available.sh
kbuild: rust_is_available: check that output looks as expected
2023-08-10 01:18:34 +02:00
rustdoc_test_builder.rs
rust: support running Rust documentation tests as KUnit ones
2023-07-19 09:32:53 -06:00
rustdoc_test_gen.rs
rust: support running Rust documentation tests as KUnit ones
2023-07-19 09:32:53 -06:00
setlocalversion
scripts/setlocalversion: also consider annotated tags of the form vx.y.z-${file_localversion}
2023-08-08 01:08:54 +09:00
show_delta
scripts/show_delta: add __main__ judgement before main code
2023-10-18 14:43:23 -07:00
sign-file.c
sign-file: Fix incorrect return values check
2023-12-13 12:55:11 -08:00
sorttable.c
LoongArch: extable: Add type and data fields
2022-12-14 08:36:11 +08:00
sorttable.h
x86,objtool: Split UNWIND_HINT_EMPTY in two
2023-03-23 23:18:58 +01:00
spdxcheck-test.sh
docs: move Linux logo into a new images folder
2022-06-01 09:32:45 -06:00
spdxcheck.py
scripts/spdxcheck: Put excluded files and directories into a separate file
2022-05-18 15:34:33 +02:00
spdxexclude
scripts/spdxcheck: Exclude top-level README
2022-05-18 15:35:42 +02:00
spelling.txt
scripts/spelling.txt: add more spellings to spelling.txt
2023-12-10 17:21:33 -08:00
sphinx-pre-install
docs: drop the version constraints for sphinx and dependencies
2024-03-03 08:17:20 -07:00
split-man.pl
tweewide: Fix most Shebang lines
2020-12-08 23:30:04 +09:00
stackdelta
…
stackusage
…
subarch.include
LoongArch: Add build infrastructure
2022-06-03 20:09:27 +08:00
syscallhdr.sh
scripts: check duplicated syscall number in syscall table
2021-07-09 04:00:39 +09:00
syscallnr.sh
scripts: make some scripts executable
2021-08-10 09:13:25 +09:00
syscalltbl.sh
scripts: check duplicated syscall number in syscall table
2021-07-09 04:00:39 +09:00
tags.sh
scripts/tags.sh: remove find_sources
2024-01-04 17:01:15 +01:00
test_fortify.sh
fortify: Update compile-time tests for Clang 14
2022-02-13 16:50:06 -08:00
tools-support-relr.sh
Makefile: use -z pack-relative-relocs
2023-04-17 11:23:06 +09:00
unifdef.c
…
ver_linux
Removed the oprofiled version option
2021-05-03 17:23:06 -06:00
xen-hypercalls.sh
scripts: make some scripts executable
2021-08-10 09:13:25 +09:00
xz_wrap.sh
scripts: clean up IA-64 code
2023-12-03 18:51:48 +09:00