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Kernel: Protect processes' master TLS with a fine-grained spinlock

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This moves it out of the scope of the big process lock, and allows us
to wean some syscalls off it, starting with sys$allocate_tls.
This commit is contained in:
Idan Horowitz 2023-12-16 12:37:28 +02:00 • committed by Andreas Kling
parent cd56ec6e5c
commit 6a4b93b3e0
7 changed files with 91 additions and 86 deletions
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2
Kernel/API/Syscall.h
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@ -48,7 +48,7 @@ enum class NeedsBigProcessLock {
S(accept4, NeedsBigProcessLock::No) \
S(adjtime, NeedsBigProcessLock::No) \
S(alarm, NeedsBigProcessLock::No) \
S(allocate_tls, NeedsBigProcessLock::Yes) \
S(allocate_tls, NeedsBigProcessLock::No) \
S(anon_create, NeedsBigProcessLock::No) \
S(annotate_mapping, NeedsBigProcessLock::No) \
S(bind, NeedsBigProcessLock::No) \