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bianbu-linux-6.6/kernel/module
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Linus Torvalds 81ac1e8884 module: make waiting for a concurrent module loader interruptible 
[ Upstream commit 2124d84db293ba164059077944e6b429ba530495 ]

The recursive aes-arm-bs module load situation reported by Russell King
is getting fixed in the crypto layer, but this in the meantime fixes the
"recursive load hangs forever" by just making the waiting for the first
module load be interruptible.

This should now match the old behavior before commit 9b9879fc03
("modules: catch concurrent module loads, treat them as idempotent"),
which used the different "wait for module to be ready" code in
module_patient_check_exists().

End result: a recursive module load will still block, but now a signal
will interrupt it and fail the second module load, at which point the
first module will successfully complete loading.

Fixes: 9b9879fc03 ("modules: catch concurrent module loads, treat them as idempotent")
Cc: Russell King <linux@armlinux.org.uk>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-08-14 13:58:53 +02:00
..
debug_kmemleak.c
decompress.c module/decompress: use kvmalloc() consistently 2023-11-20 11:59:37 +01:00
dups.c module: include internal.h in module/dups.c 2023-05-02 20:33:36 -07:00
internal.h kbuild: generate KSYMTAB entries by modpost 2023-06-22 21:17:10 +09:00
kallsyms.c modpost, kallsyms: Treat add '$'-prefixed symbols as mapping symbols 2023-07-24 12:09:47 -07:00
Kconfig module: add debugging auto-load duplicate module support 2023-04-19 17:26:01 -07:00
kdb.c module: replace module_layout with module_memory 2023-03-09 12:55:15 -08:00
kmod.c module: add debugging auto-load duplicate module support 2023-04-19 17:26:01 -07:00
livepatch.c livepatch: fix ELF typos 2023-03-09 11:08:24 +01:00
main.c module: make waiting for a concurrent module loader interruptible 2024-08-14 13:58:53 +02:00
Makefile module: add debugging auto-load duplicate module support 2023-04-19 17:26:01 -07:00
procfs.c module: replace module_layout with module_memory 2023-03-09 12:55:15 -08:00
signing.c
stats.c module: Fix use-after-free bug in read_file_mod_stats() 2023-05-22 14:13:13 -07:00
strict_rwx.c module: replace module_layout with module_memory 2023-03-09 12:55:15 -08:00
sysfs.c module: remove redundant module_sysfs_initialized variable 2022-11-11 10:19:52 -08:00
tracking.c module: add debug stats to help identify memory pressure 2023-04-18 11:15:24 -07:00
tree_lookup.c module: replace module_layout with module_memory 2023-03-09 12:55:15 -08:00
version.c