diff options
| author | Idan Horowitz <idan.horowitz@gmail.com> | 2023-04-04 14:02:39 +0300 |
|---|---|---|
| committer | Idan Horowitz <idan.horowitz@gmail.com> | 2023-04-06 20:30:03 +0300 |
| commit | 0b14081ae191d5fcbd831ad8542a22632aa18f93 (patch) | |
| tree | f5b3fbb3cffca0946f16ae1105f9bbf2400e846c | |
| parent | 0e564240a63ae7d85c91fce85af63fb71d24c794 (diff) | |
| download | serenity-0b14081ae191d5fcbd831ad8542a22632aa18f93.zip | |
Kernel: Mark sys$map_time_page as not needing the big lock
All accesses to shared mutable data are already serialized behind the
process address space spinlock.
| -rw-r--r-- | Kernel/API/Syscall.h | 2 | ||||
| -rw-r--r-- | Kernel/Syscalls/clock.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/Kernel/API/Syscall.h b/Kernel/API/Syscall.h index dec6baa4b5..a7f134eec9 100644 --- a/Kernel/API/Syscall.h +++ b/Kernel/API/Syscall.h @@ -122,7 +122,7 @@ enum class NeedsBigProcessLock { S(listen, NeedsBigProcessLock::No) \ S(lseek, NeedsBigProcessLock::No) \ S(madvise, NeedsBigProcessLock::No) \ - S(map_time_page, NeedsBigProcessLock::Yes) \ + S(map_time_page, NeedsBigProcessLock::No) \ S(mkdir, NeedsBigProcessLock::No) \ S(mknod, NeedsBigProcessLock::No) \ S(mmap, NeedsBigProcessLock::Yes) \ diff --git a/Kernel/Syscalls/clock.cpp b/Kernel/Syscalls/clock.cpp index 8dc4571e71..b8ab20c97f 100644 --- a/Kernel/Syscalls/clock.cpp +++ b/Kernel/Syscalls/clock.cpp @@ -12,7 +12,7 @@ namespace Kernel { ErrorOr<FlatPtr> Process::sys$map_time_page() { - VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this); + VERIFY_NO_PROCESS_BIG_LOCK(this); TRY(require_promise(Pledge::stdio)); auto& vmobject = TimeManagement::the().time_page_vmobject(); |