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Kernel: Mark sys$sigreturn as not needing the big lock

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This syscall is only concerned with the current thread (except in the
case of a pledge violation, when it will add some details about that
to the process coredump metadata. That stuff is already serialized.)
This commit is contained in:
Andreas Kling 2023-04-03 16:17:21 +02:00
commit 374f4aeab9
Notes: sideshowbarker 2024-07-17 05:02:35 +09:00
2 changed files with 3 additions and 3 deletions
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4
Kernel/Syscalls/sigaction.cpp
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@ -75,9 +75,9 @@ ErrorOr<FlatPtr> Process::sys$sigaction(int signum, Userspace<sigaction const*>
return 0;
}
ErrorOr<FlatPtr> Process::sys$sigreturn([[maybe_unused]] RegisterState& registers)
ErrorOr<FlatPtr> Process::sys$sigreturn(RegisterState& registers)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::stdio));
SmapDisabler disabler;