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Helge Deller b02d1fb74e parisc: led: Reduce CPU overhead for disk & lan LED computation 
commit 358ad816e5 upstream.

Older PA-RISC machines have LEDs which show the disk- and LAN-activity.
The computation is done in software and takes quite some time, e.g. on a
J6500 this may take up to 60% time of one CPU if the machine is loaded
via network traffic.

Since most people don't care about the LEDs, start with LEDs disabled and
just show a CPU heartbeat LED. The disk and LAN LEDs can be turned on
manually via /proc/pdc/led.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2023-09-19 12:20:24 +02:00
Documentation scsi: core: Fix the scsi_set_resid() documentation 2023-09-19 12:20:21 +02:00
LICENSES
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arch parisc: led: Fix LAN receive and transmit LEDs 2023-09-19 12:20:24 +02:00
block block/partition: fix signedness issue for Amiga partitions 2023-07-27 08:44:18 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:13:17 +02:00
crypto X.509: if signature is unsupported skip validation 2023-09-19 12:20:22 +02:00
drivers parisc: led: Reduce CPU overhead for disk & lan LED computation 2023-09-19 12:20:24 +02:00
fs udf: initialize newblock to 0 2023-09-19 12:20:23 +02:00
include usb: typec: bus: verify partner exists in typec_altmode_attention 2023-09-19 12:20:23 +02:00
init x86/mm: Initialize text poking earlier 2023-08-08 19:57:39 +02:00
io_uring io_uring: break iopolling on signal 2023-09-19 12:20:24 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:24:00 +01:00
kernel tracing: Zero the pipe cpumask on alloc to avoid spurious -EBUSY 2023-09-19 12:20:23 +02:00
lib lib/test_meminit: allocate pages up to order MAX_ORDER 2023-09-19 12:20:24 +02:00
mm tmpfs: verify {g,u}id mount options correctly 2023-09-19 12:20:06 +02:00
net net/ipv6: SKB symmetric hash should incorporate transport ports 2023-09-19 12:20:23 +02:00
samples samples/bpf: fix broken map lookup probe 2023-09-19 12:20:09 +02:00
scripts modpost: fix off by one in is_executable_section() 2023-07-27 08:44:00 +02:00
security smackfs: Prevent underflow in smk_set_cipso() 2023-09-19 12:20:13 +02:00
sound ALSA: pcm: Fix missing fixup call in compat hw_refine ioctl 2023-09-19 12:20:21 +02:00
tools selftests/bpf: Clean up fmod_ret in bench_rename test script 2023-09-19 12:20:09 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:25:48 +01:00
virt KVM: fix memoryleak in kvm_init() 2023-04-05 11:23:43 +02:00
.clang-format RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
.cocciconfig
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.get_maintainer.ignore
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.gitattributes
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.gitignore kbuild: generate Module.symvers only when vmlinux exists 2021-05-19 10:12:59 +02:00
.mailmap mailmap: add two more addresses of Uwe Kleine-König 2020-12-06 10:19:07 -08:00
COPYING
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CREDITS MAINTAINERS: Move Jason Cooper to CREDITS 2020-11-30 10:20:34 +01:00
Kbuild
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Kconfig
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MAINTAINERS Remove DECnet support from kernel 2023-06-21 15:45:38 +02:00
Makefile Linux 5.10.194 2023-09-02 09:18:14 +02:00
README
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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.