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| author | Idan Horowitz <idan.horowitz@gmail.com> | 2021-08-06 15:27:03 +0300 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2021-08-06 23:36:12 +0200 |
| commit | ad419a669d1fd71781680246463d9018814997e2 (patch) | |
| tree | de0e0cd051adb7f7883e0312b71788945ec2e78b /Kernel | |
| parent | efeb01e35fccc6ecc0ce0d6c33102dd5379ddf0f (diff) | |
| download | serenity-ad419a669d1fd71781680246463d9018814997e2.zip | |
Kernel: Disable big process lock for sys$sysconf
This syscall only reads constant kernel globals, and as such does not
need to hold the big lock.
Diffstat (limited to 'Kernel')
| -rw-r--r-- | Kernel/API/Syscall.h | 2 | ||||
| -rw-r--r-- | Kernel/Syscalls/sysconf.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/Kernel/API/Syscall.h b/Kernel/API/Syscall.h index 0ee2f8a6dc..50f75daa06 100644 --- a/Kernel/API/Syscall.h +++ b/Kernel/API/Syscall.h @@ -181,7 +181,7 @@ enum class NeedsBigProcessLock { S(ptrace, NeedsBigProcessLock::Yes) \ S(sendfd, NeedsBigProcessLock::Yes) \ S(recvfd, NeedsBigProcessLock::Yes) \ - S(sysconf, NeedsBigProcessLock::Yes) \ + S(sysconf, NeedsBigProcessLock::No) \ S(set_process_name, NeedsBigProcessLock::Yes) \ S(disown, NeedsBigProcessLock::Yes) \ S(adjtime, NeedsBigProcessLock::Yes) \ diff --git a/Kernel/Syscalls/sysconf.cpp b/Kernel/Syscalls/sysconf.cpp index 932d4ae4e3..e898d74dfd 100644 --- a/Kernel/Syscalls/sysconf.cpp +++ b/Kernel/Syscalls/sysconf.cpp @@ -11,7 +11,7 @@ namespace Kernel { KResultOr<FlatPtr> Process::sys$sysconf(int name) { - VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this) + VERIFY_NO_PROCESS_BIG_LOCK(this) switch (name) { case _SC_MONOTONIC_CLOCK: return 1; |