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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-03-30 15:44:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-03-30 15:44:36 -0700 |
| commit | 01d5b167dc230cf3b6eb9dd7205f6a705026d1ce (patch) | |
| tree | cebac05451b712d0c7d673e94316971a15b006db /kernel/module/version.c | |
| parent | 7405c0f01aa281e20d9f9f34ac450537985bfb05 (diff) | |
| parent | 897c0b4e27135132dc5b348c1a3773d059668489 (diff) | |
Merge tag 'modules-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
Pull modules updates from Petr Pavlu:
- Use RCU instead of RCU-sched
The mix of rcu_read_lock(), rcu_read_lock_sched() and
preempt_disable() in the module code and its users has
been replaced with just rcu_read_lock()
- The rest of changes are smaller fixes and updates
* tag 'modules-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux: (32 commits)
MAINTAINERS: Update the MODULE SUPPORT section
module: Remove unnecessary size argument when calling strscpy()
module: Replace deprecated strncpy() with strscpy()
params: Annotate struct module_param_attrs with __counted_by()
bug: Use RCU instead RCU-sched to protect module_bug_list.
static_call: Use RCU in all users of __module_text_address().
kprobes: Use RCU in all users of __module_text_address().
bpf: Use RCU in all users of __module_text_address().
jump_label: Use RCU in all users of __module_text_address().
jump_label: Use RCU in all users of __module_address().
x86: Use RCU in all users of __module_address().
cfi: Use RCU while invoking __module_address().
powerpc/ftrace: Use RCU in all users of __module_text_address().
LoongArch: ftrace: Use RCU in all users of __module_text_address().
LoongArch/orc: Use RCU in all users of __module_address().
arm64: module: Use RCU in all users of __module_text_address().
ARM: module: Use RCU in all users of __module_text_address().
module: Use RCU in all users of __module_text_address().
module: Use RCU in all users of __module_address().
module: Use RCU in search_module_extables().
...
Diffstat (limited to 'kernel/module/version.c')
| -rw-r--r-- | kernel/module/version.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/kernel/module/version.c b/kernel/module/version.c index 3718a8868321..2beefeba82d9 100644 --- a/kernel/module/version.c +++ b/kernel/module/version.c @@ -79,17 +79,17 @@ int check_modstruct_version(const struct load_info *info, .name = "module_layout", .gplok = true, }; + bool have_symbol; /* * Since this should be found in kernel (which can't be removed), no - * locking is necessary -- use preempt_disable() to placate lockdep. + * locking is necessary. Regardless use a RCU read section to keep + * lockdep happy. */ - preempt_disable(); - if (!find_symbol(&fsa)) { - preempt_enable(); - BUG(); - } - preempt_enable(); + scoped_guard(rcu) + have_symbol = find_symbol(&fsa); + BUG_ON(!have_symbol); + return check_version(info, "module_layout", mod, fsa.crc); } |