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Kernel: Protect Process::m_name with a spinlock

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This also lets us remove the `get_process_name` and `set_process_name`
syscalls from the big lock. :^)
This commit is contained in:
Sam Atkins 2023-02-04 13:01:46 +00:00 • committed by Andreas Kling
parent b26ecca970
commit fe7b08dad7
13 changed files with 102 additions and 42 deletions
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4
Kernel/API/Syscall.h
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@ -82,7 +82,7 @@ enum class NeedsBigProcessLock {
S(ftruncate, NeedsBigProcessLock::No) \
S(futex, NeedsBigProcessLock::Yes) \
S(get_dir_entries, NeedsBigProcessLock::Yes) \
S(get_process_name, NeedsBigProcessLock::Yes) \
S(get_process_name, NeedsBigProcessLock::No) \
S(get_root_session_id, NeedsBigProcessLock::No) \
S(get_stack_bounds, NeedsBigProcessLock::No) \
S(get_thread_name, NeedsBigProcessLock::Yes) \
@ -157,7 +157,7 @@ enum class NeedsBigProcessLock {
S(sendmsg, NeedsBigProcessLock::Yes) \
S(set_coredump_metadata, NeedsBigProcessLock::No) \
S(set_mmap_name, NeedsBigProcessLock::Yes) \
S(set_process_name, NeedsBigProcessLock::Yes) \
S(set_process_name, NeedsBigProcessLock::No) \
S(set_thread_name, NeedsBigProcessLock::Yes) \
S(setegid, NeedsBigProcessLock::No) \
S(seteuid, NeedsBigProcessLock::No) \