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Filename Latest commit message Latest commit date
Ilkka Koskinen 61c6dc3b55 coresight: catu: Fix number of pages while using 64k pages 
[ Upstream commit 0e14e062f5ff98aa15264dfa87c5f5e924028561 ]

Trying to record a trace on kernel with 64k pages resulted in -ENOMEM.
This happens due to a bug in calculating the number of table pages, which
returns zero. Fix the issue by rounding up.

$ perf record --kcore -e cs_etm/@tmc_etr55,cycacc,branch_broadcast/k --per-thread taskset --cpu-list 1 dd if=/dev/zero of=/dev/null
failed to mmap with 12 (Cannot allocate memory)

Fixes: 8ed536b1e2 ("coresight: catu: Add support for scatter gather tables")
Signed-off-by: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20250109215348.5483-1-ilkka@os.amperecomputing.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-04-10 14:29:41 +02:00
arch x86/dumpstack: Fix inaccurate unwinding from exception stacks due to misplaced assignment 2025-04-10 14:29:41 +02:00
block block: fix 'kmem_cache of name 'bio-108' already exists' 2025-04-10 14:29:37 +02:00
certs
crypto crypto: testmgr - some more fixes to RSA test vectors 2025-03-13 12:43:21 +01:00
Documentation sched/isolation: Prevent boot crash when the boot CPU is nohz_full 2025-04-10 14:29:35 +02:00
drivers coresight: catu: Fix number of pages while using 64k pages 2025-04-10 14:29:41 +02:00
fs isofs: fix KMSAN uninit-value bug in do_isofs_readdir() 2025-04-10 14:29:41 +02:00
include lockdep: Don't disable interrupts on RT in disable_irq_nosync_lockdep.*() 2025-04-10 14:29:40 +02:00
init
ipc
kernel bpf: Use preempt_count() directly in bpf_send_signal_common() 2025-04-10 14:29:40 +02:00
lib lib: 842: Improve error handling in sw842_compress() 2025-04-10 14:29:40 +02:00
LICENSES
mm mm/page_alloc: fix uninitialized variable 2025-03-13 12:43:28 +01:00
net netfilter: socket: Lookup orig tuple for IPv6 SNAT 2025-04-10 14:29:39 +02:00
samples
scripts selinux: Chain up tool resolving errors in install_policy.sh 2025-04-10 14:29:39 +02:00
security ima: Fix use-after-free on a dentry's dname.name 2025-03-13 12:43:19 +01:00
sound ALSA: hda/realtek: Always honor no_shutup_pins 2025-04-10 14:29:40 +02:00
tools perf bench: Fix undefined behavior in cmpworker() 2025-03-13 12:43:08 +01:00
usr
virt
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COPYING
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Kconfig
MAINTAINERS
Makefile Linux 5.4.291 2025-03-13 12:43:33 +01:00
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.