rjmcmahon
/
umber-kernel
1
0
Fork 0
Code Issues 1 Pull Requests Packages Projects Releases Wiki Activity
umber-kernel/kernel
History
Masahiro Yamada 82a1978d0f kheaders: use 'tar' instead of 'cpio' for copying files 
The 'cpio' command is used solely for copying header files to the
temporary directory. However, there is no strong reason to use 'cpio'
for this purpose. For example, scripts/package/install-extmod-build
uses the 'tar' command to copy files.

This commit replaces the use of 'cpio' with 'tar' because 'tar' is
already used in this script to generate kheaders_data.tar.xz anyway.

Performance-wide, there is no significant difference between 'cpio'
and 'tar'.

[Before]

  $ rm -fr kheaders; mkdir kheaders
  $ time sh -c '
  for f in include arch/x86/include
  do
          find "$f" -name "*.h"
  done | cpio --quiet -pd kheaders
  '
  real    0m0.148s
  user    0m0.021s
  sys     0m0.140s

[After]

  $ rm -fr kheaders; mkdir kheaders
  $ time sh -c '
  for f in include arch/x86/include
  do
          find "$f" -name "*.h"
  done | tar -c -f - -T - | tar -xf - -C kheaders
  '
  real    0m0.098s
  user    0m0.024s
  sys     0m0.131s

Revert commit 69ef0920bd ("Docs: Add cpio requirement to changes.rst")
because 'cpio' is not used anywhere else during the kernel build.
Please note that the built-in initramfs is created by the in-tree tool,
usr/gen_init_cpio, so it does not rely on the external 'cpio' command
at all.

Remove 'cpio' from the package build dependencies as well.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
 		2025-01-10 23:01:22 +09:00
..
bpf bpf: Fix bpf_get_smp_processor_id() on !CONFIG_SMP 2024-12-17 16:09:24 -08:00
cgroup cgroup: Changes for v6.13 2024-11-20 09:54:49 -08:00
configs configs/debug: make sure PROVE_RCU_LIST=y takes effect 2024-10-28 10:21:09 -07:00
debug kdb: fix ctrl+e/a/f/b/d/p/n broken in keyboard mode 2024-11-18 15:20:22 +00:00
dma dma-debug: fix physical address calculation for struct dma_debug_entry 2024-11-28 10:19:16 +01:00
entry sched: Add TIF_NEED_RESCHED_LAZY infrastructure 2024-11-05 12:55:37 +01:00
events - The series "resource: A couple of cleanups" from Andy Shevchenko 2024-11-25 16:09:48 -08:00
futex futex: fix user access on powerpc 2024-12-09 10:00:25 -08:00
gcov
…
irq genirq/proc: Add missing space separator back 2024-12-03 14:59:34 +01:00
kcsan kcsan: Remove redundant call of kallsyms_lookup_name() 2024-10-14 16:44:56 +02:00
livepatch
…
locking locking/rtmutex: Make sure we wake anything on the wake_q when we release the lock->wait_lock 2024-12-17 17:47:24 +01:00
module module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
power The biggest change here is eliminating the awful idea that KVM had, of 2024-11-23 16:00:50 -08:00
printk printk changes for 6.13 2024-11-20 09:21:11 -08:00
rcu A set of updates for the interrupt subsystem: 2024-11-19 15:54:19 -08:00
sched sched_ext: Fixes for v6.13-rc5 2025-01-03 15:09:12 -08:00
time clocksource: Make negative motion detection more robust 2024-12-05 16:03:24 +01:00
trace Fixes for ftrace in v6.13: 2025-01-03 10:04:43 -08:00
.gitignore
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.kexec crash, powerpc: default to CRASH_DUMP=n on PPC_BOOK3S_32 2024-11-14 22:43:48 -08:00
Kconfig.locks
…
Kconfig.preempt sched: No PREEMPT_RT=y for all{yes,mod}config 2024-11-07 15:25:05 +01:00
Makefile
…
acct.c
…
async.c
…
audit.c lsm/stable-6.13 PR 20241112 2024-11-18 17:34:05 -08:00
audit.h audit: change context data from secid to lsm_prop 2024-10-11 14:34:16 -04:00
audit_fsnotify.c
…
audit_tree.c
…
audit_watch.c
…
auditfilter.c audit: change context data from secid to lsm_prop 2024-10-11 14:34:16 -04:00
auditsc.c audit: workaround a GCC bug triggered by task comm changes 2024-12-04 22:57:46 -05:00
backtracetest.c
…
bounds.c
…
capability.c
…
cfi.c
…
compat.c
…
configs.c
…
context_tracking.c
…
cpu.c Driver core changes for 6.13-rc1 2024-11-29 11:43:29 -08:00
cpu_pm.c
…
crash_core.c kexec/crash: no crash update when kexec in progress 2024-11-05 17:12:27 -08:00
crash_reserve.c
…
cred.c cred: Add a light version of override/revert_creds() 2024-11-11 10:45:04 +01:00
delayacct.c
…
dma.c
…
elfcorehdr.c
…
exec_domain.c
…
exit.c remove pointless includes of <linux/fdtable.h> 2024-10-07 13:34:41 -04:00
exit.h
…
extable.c
…
fail_function.c
…
fork.c fork: avoid inappropriate uprobe access to invalid mm 2024-12-18 19:04:44 -08:00
freezer.c sched/fair: Fix external p->on_rq users 2024-10-14 09:14:35 +02:00
gen_kheaders.sh kheaders: use 'tar' instead of 'cpio' for copying files 2025-01-10 23:01:22 +09:00
groups.c
…
hung_task.c hung_task: add detect count for hung tasks 2024-11-11 17:17:03 -08:00
iomem.c
…
irq_work.c
…
jump_label.c jump_label: Fix static_key_slow_dec() yet again 2024-09-10 11:57:27 +02:00
kallsyms.c
…
kallsyms_internal.h
…
kallsyms_selftest.c
…
kallsyms_selftest.h
…
kcmp.c get rid of ...lookup...fdget_rcu() family 2024-10-07 13:34:41 -04:00
kcov.c kcov: mark in_softirq_really() as __always_inline 2024-12-30 17:59:08 -08:00
kexec.c
…
kexec_core.c
…
kexec_elf.c
…
kexec_file.c
…
kexec_internal.h
…
kheaders.c
…
kprobes.c kprobes: Use struct_size() in __get_insn_slot() 2024-10-31 11:00:58 +09:00
ksyms_common.c
…
ksysfs.c
…
kthread.c get rid of __get_task_comm() 2024-11-05 17:12:28 -08:00
latencytop.c
…
module_signature.c
…
notifier.c reboot: move reboot_notifier_list to kernel/reboot.c 2024-11-05 17:12:31 -08:00
nsproxy.c fdget(), trivial conversions 2024-11-03 01:28:06 -05:00
padata.c padata: Clean up in padata_do_multithreaded() 2024-11-10 11:50:54 +08:00
panic.c drm next for 6.12-rc1 2024-09-19 10:18:15 +02:00
params.c
…
pid.c fdget(), more trivial conversions 2024-11-03 01:28:06 -05:00
pid_namespace.c
…
pid_sysctl.h
…
profile.c
…
ptrace.c
…
range.c
…
reboot.c kernel/reboot: replace sprintf() with sysfs_emit() 2024-11-11 17:17:05 -08:00
regset.c
…
relay.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
resource.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
resource_kunit.c resource, kunit: fix user-after-free in resource_test_region_intersects() 2024-10-09 12:47:19 -07:00
rseq.c
…
scftorture.c scftorture: Handle NULL argument passed to scf_add_to_free_list(). 2024-11-14 16:09:51 -08:00
scs.c
…
seccomp.c
…
signal.c posix-timers: Target group sigqueue to current task only if not exiting 2024-11-29 13:19:09 +01:00
smp.c locking/csd-lock: Switch from sched_clock() to ktime_get_mono_fast_ns() 2024-10-11 09:31:21 -07:00
smpboot.c
…
smpboot.h
…
softirq.c softirq: Allow raising SCHED_SOFTIRQ from SMP-call-function on RT kernel 2024-12-02 12:01:27 +01:00
stackleak.c
…
stacktrace.c
…
static_call.c
…
static_call_inline.c x86/static-call: provide a way to do very early static-call updates 2024-12-13 09:28:32 +01:00
stop_machine.c
…
sys.c arm64 updates for 6.13: 2024-11-18 18:10:37 -08:00
sys_ni.c
…
sysctl-test.c
…
sysctl.c sysctl: Reorganize kerneldoc parameter names 2024-10-23 15:28:40 +02:00
task_work.c sched/core: Disable page allocation in task_tick_mm_cid() 2024-10-11 10:49:32 +02:00
taskstats.c fdget(), more trivial conversions 2024-11-03 01:28:06 -05:00
torture.c
…
tracepoint.c tracing: Fix syscall tracepoint use-after-free 2024-11-01 14:37:31 -04:00
tsacct.c
…
ucount.c Summary 2024-11-22 20:36:11 -08:00
uid16.c
…
uid16.h
…
umh.c remove pointless includes of <linux/fdtable.h> 2024-10-07 13:34:41 -04:00
up.c
…
user-return-notifier.c
…
user.c uidgid: make sure we fit into one cacheline 2024-09-12 12:16:09 +02:00
user_namespace.c user_namespace: use kmemdup_array() instead of kmemdup() for multiple allocation 2024-09-09 16:47:42 -07:00
usermode_driver.c
…
utsname.c
…
utsname_sysctl.c
…
vhost_task.c
…
vmcore_info.c
…
watch_queue.c fdget(), trivial conversions 2024-11-03 01:28:06 -05:00
watchdog.c - The series "resource: A couple of cleanups" from Andy Shevchenko 2024-11-25 16:09:48 -08:00
watchdog_buddy.c
…
watchdog_perf.c
…
workqueue.c workqueue: add printf attribute to __alloc_workqueue() 2024-12-24 09:50:38 -10:00
workqueue_internal.h
…