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| author | Andreas Kling <kling@serenityos.org> | 2022-04-04 00:39:43 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2022-04-04 00:42:18 +0200 |
| commit | 12b612ab149282143c8e540ffdb02d6900a00d5d (patch) | |
| tree | f373c867c83c3c0190bde40ecdfcc9c589dfa9f4 | |
| parent | 4306422f295d175ffd4ddeabf5cb2432b52723df (diff) | |
| download | serenity-12b612ab149282143c8e540ffdb02d6900a00d5d.zip | |
Kernel: Mark sys$adjtime() as not needing the big lock
This syscall works on global kernel state and so doesn't need protection
from threads in the same process.
| -rw-r--r-- | Kernel/API/Syscall.h | 2 | ||||
| -rw-r--r-- | Kernel/Syscalls/clock.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/Kernel/API/Syscall.h b/Kernel/API/Syscall.h index a15c46648e..2408bea4f5 100644 --- a/Kernel/API/Syscall.h +++ b/Kernel/API/Syscall.h @@ -42,7 +42,7 @@ enum class NeedsBigProcessLock { #define ENUMERATE_SYSCALLS(S) \ S(accept4, NeedsBigProcessLock::Yes) \ S(access, NeedsBigProcessLock::Yes) \ - S(adjtime, NeedsBigProcessLock::Yes) \ + S(adjtime, NeedsBigProcessLock::No) \ S(alarm, NeedsBigProcessLock::Yes) \ S(allocate_tls, NeedsBigProcessLock::Yes) \ S(anon_create, NeedsBigProcessLock::No) \ diff --git a/Kernel/Syscalls/clock.cpp b/Kernel/Syscalls/clock.cpp index 74af99263f..f3119c137e 100644 --- a/Kernel/Syscalls/clock.cpp +++ b/Kernel/Syscalls/clock.cpp @@ -93,7 +93,7 @@ ErrorOr<FlatPtr> Process::sys$clock_nanosleep(Userspace<Syscall::SC_clock_nanosl ErrorOr<FlatPtr> Process::sys$adjtime(Userspace<timeval const*> user_delta, Userspace<timeval*> user_old_delta) { - VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this); + VERIFY_NO_PROCESS_BIG_LOCK(this); if (user_old_delta) { timespec old_delta_ts = TimeManagement::the().remaining_epoch_time_adjustment(); timeval old_delta; |