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Kernel: Protect Thread::m_name with a spinlock

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This replaces manually grabbing the thread's main lock.

This lets us remove the `get_thread_name` and `set_thread_name` syscalls
from the big lock. :^)
This commit is contained in:
Sam Atkins 2023-02-04 14:11:35 +00:00 • committed by Andreas Kling
parent fe7b08dad7
commit 1014aefe64
5 changed files with 27 additions and 27 deletions
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4
Kernel/API/Syscall.h
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@ -85,7 +85,7 @@ enum class NeedsBigProcessLock {
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) \
S(get_thread_name, NeedsBigProcessLock::No) \
S(getcwd, NeedsBigProcessLock::No) \
S(getegid, NeedsBigProcessLock::No) \
S(geteuid, NeedsBigProcessLock::No) \
@ -158,7 +158,7 @@ enum class NeedsBigProcessLock {
S(set_coredump_metadata, NeedsBigProcessLock::No) \
S(set_mmap_name, NeedsBigProcessLock::Yes) \
S(set_process_name, NeedsBigProcessLock::No) \
S(set_thread_name, NeedsBigProcessLock::Yes) \
S(set_thread_name, NeedsBigProcessLock::No) \
S(setegid, NeedsBigProcessLock::No) \
S(seteuid, NeedsBigProcessLock::No) \
S(setgid, NeedsBigProcessLock::No) \