linux-stable/arch/sh
Huacai Chen f8f26cf690 sh: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK
commit 3c891f7c6a upstream.

When CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS are selected,
cpu_max_bits_warn() generates a runtime warning similar as below when
showing /proc/cpuinfo. Fix this by using nr_cpu_ids (the runtime limit)
instead of NR_CPUS to iterate CPUs.

[    3.052463] ------------[ cut here ]------------
[    3.059679] WARNING: CPU: 3 PID: 1 at include/linux/cpumask.h:108 show_cpuinfo+0x5e8/0x5f0
[    3.070072] Modules linked in: efivarfs autofs4
[    3.076257] CPU: 0 PID: 1 Comm: systemd Not tainted 5.19-rc5+ #1052
[    3.099465] Stack : 9000000100157b08 9000000000f18530 9000000000cf846c 9000000100154000
[    3.109127]         9000000100157a50 0000000000000000 9000000100157a58 9000000000ef7430
[    3.118774]         90000001001578e8 0000000000000040 0000000000000020 ffffffffffffffff
[    3.128412]         0000000000aaaaaa 1ab25f00eec96a37 900000010021de80 900000000101c890
[    3.138056]         0000000000000000 0000000000000000 0000000000000000 0000000000aaaaaa
[    3.147711]         ffff8000339dc220 0000000000000001 0000000006ab4000 0000000000000000
[    3.157364]         900000000101c998 0000000000000004 9000000000ef7430 0000000000000000
[    3.167012]         0000000000000009 000000000000006c 0000000000000000 0000000000000000
[    3.176641]         9000000000d3de08 9000000001639390 90000000002086d8 00007ffff0080286
[    3.186260]         00000000000000b0 0000000000000004 0000000000000000 0000000000071c1c
[    3.195868]         ...
[    3.199917] Call Trace:
[    3.203941] [<90000000002086d8>] show_stack+0x38/0x14c
[    3.210666] [<9000000000cf846c>] dump_stack_lvl+0x60/0x88
[    3.217625] [<900000000023d268>] __warn+0xd0/0x100
[    3.223958] [<9000000000cf3c90>] warn_slowpath_fmt+0x7c/0xcc
[    3.231150] [<9000000000210220>] show_cpuinfo+0x5e8/0x5f0
[    3.238080] [<90000000004f578c>] seq_read_iter+0x354/0x4b4
[    3.245098] [<90000000004c2e90>] new_sync_read+0x17c/0x1c4
[    3.252114] [<90000000004c5174>] vfs_read+0x138/0x1d0
[    3.258694] [<90000000004c55f8>] ksys_read+0x70/0x100
[    3.265265] [<9000000000cfde9c>] do_syscall+0x7c/0x94
[    3.271820] [<9000000000202fe4>] handle_syscall+0xc4/0x160
[    3.281824] ---[ end trace 8b484262b4b8c24c ]---

Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-12-14 19:44:37 +01:00
..
boards sh: boards: Fix CEU buffer size passed to dma_declare_coherent_memory() 2023-09-23 10:59:59 +02:00
boot treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
cchips treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
configs scsi: sr: remove references to BLK_DEV_SR_VENDOR, leave it enabled 2020-07-22 09:32:57 +02:00
drivers sh: dma: Fix DMA channel offset calculation 2023-07-27 08:37:24 +02:00
include sh/cpu: Switch to arch_cpu_finalize_init() 2023-08-08 19:56:34 +02:00
kernel sh: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK 2024-12-14 19:44:37 +01:00
lib Revert "sh: Handle calling csum_partial with misaligned data" 2024-06-16 13:28:36 +02:00
lib64 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
math-emu sh: math-emu: fix macro redefined warning 2023-05-17 11:36:01 +02:00
mm mm/memory_hotplug: shrink zones when offlining memory 2020-01-09 10:19:56 +01:00
oprofile treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tools kbuild: remove redundant target cleaning on failure 2019-01-06 09:46:51 +09:00
Kconfig sh/cpu: Switch to arch_cpu_finalize_init() 2023-08-08 19:56:34 +02:00
Kconfig.cpu License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig.debug sh: bios: Revive earlyprintk support 2023-11-20 10:30:13 +01:00
Makefile treewide: prefix header search paths with $(srctree)/ 2019-05-18 11:49:57 +09:00