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Heiko Carstens 98a2feb8ec s390/cache: prevent rebuild of shared_cpu_list 
[ Upstream commit cb0cd4ee11 ]

With commit 36bbc5b4ff ("cacheinfo: Allow early detection and population
of cache attributes") the shared cpu list for each cache level higher than
L1 is rebuilt even if the list already has been set up.

This is caused by the removal of the cpumask_empty() check within
cache_shared_cpu_map_setup().

However architectures can enforce that the shared cpu list is not rebuilt
by simply setting cpu_map_populated of the per cpu cache info structure to
true, which is also the fix for this problem.

Before:
$ cat /sys/devices/system/cpu/cpu1/cache/index2/shared_cpu_list
0-7

After:
$ cat /sys/devices/system/cpu/cpu1/cache/index2/shared_cpu_list
1

Fixes: 36bbc5b4ff ("cacheinfo: Allow early detection and population of cache attributes")
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:20:40 -04:00
arch s390/cache: prevent rebuild of shared_cpu_list 2024-03-26 18:20:40 -04:00
block block: sed-opal: handle empty atoms when parsing response 2024-03-26 18:20:26 -04:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-02-09 11:28:11 +01:00
crypto crypto: api - Disallow identical driver names 2024-01-31 16:16:58 -08:00
Documentation x86/rfds: Mitigate Register File Data Sampling (RFDS) 2024-03-15 10:48:21 -04:00
drivers sr9800: Add check for usbnet_get_endpoints 2024-03-26 18:20:40 -04:00
fs pstore: inode: Only d_invalidate() is needed 2024-03-26 18:20:38 -04:00
include Bluetooth: hci_sync: Fix overwriting request callback 2024-03-26 18:20:40 -04:00
init update workarounds for gcc "asm goto" issue 2024-02-23 09:12:28 +01:00
io_uring io_uring/net: fix overflow check in io_recvmsg_mshot_prep() 2024-03-26 18:20:29 -04:00
ipc ipc: fix memory leak in init_mqueue_fs() 2022-12-31 13:32:01 +01:00
kernel bpf: Mark bpf_spin_{lock,unlock}() helpers with notrace correctly 2024-03-26 18:20:35 -04:00
lib net: blackhole_dev: fix build warning for ethh set but not used 2024-03-26 18:20:33 -04:00
LICENSES
mm readahead: avoid multiple marked readahead pages 2024-03-15 10:48:19 -04:00
net Bluetooth: fix use-after-free in accessing skb after sending it 2024-03-26 18:20:40 -04:00
rust rust: allocator: Prevent mis-aligned allocation 2023-08-11 12:08:18 +02:00
samples work around gcc bugs with 'asm goto' with outputs 2024-02-23 09:12:28 +01:00
scripts gen_compile_commands: fix invalid escape sequence warning 2024-03-26 18:20:25 -04:00
security landlock: Fix asymmetric private inodes referring 2024-03-06 14:45:10 +00:00
sound ASoC: wm8962: Fix up incorrect error message in wm8962_set_fll 2024-03-26 18:20:27 -04:00
tools selftests: forwarding: Add missing multicast routing config entries 2024-03-26 18:20:34 -04:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add() 2023-09-13 09:42:46 +02:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Kbuild: add Rust support 2022-09-28 09:02:20 +02:00
.mailmap 9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address 2022-12-10 17:10:52 -08:00
.rustfmt.toml
COPYING
CREDITS MAINTAINERS: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig
MAINTAINERS trace: Relocate event helper files 2024-03-06 14:45:17 +00:00
Makefile Linux 6.1.82 2024-03-15 14:27:50 -04:00
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.