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Kernel: Don't acquire Mutex for hostname() before scheduling is enabled

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There's no reason to acquire the mutex for this resource before APs are
booted, before scheduling is enabled, and before interrupts are enabled.
This commit is contained in:
Andrew Kaster 2021-08-22 22:03:16 -06:00 committed by Andreas Kling
parent 54161bf5b4
commit 4f2520674c
Notes: sideshowbarker 2024-07-18 05:08:37 +09:00 
Author: https://github.com/ADKaster
Commit: https://github.com/SerenityOS/serenity/commit/4f2520674ca
Pull-request: https://github.com/SerenityOS/serenity/pull/9580
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/bgianfo
1 changed files with 3 additions and 3 deletions
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6
Kernel/Process.cpp
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@ -76,9 +76,9 @@ UNMAP_AFTER_INIT void Process::initialize()
next_pid.store(0, AK::MemoryOrder::memory_order_release);
hostname().with_exclusive([&](auto& name) {
name = "courage";
});
// Note: This is called before scheduling is initialized, and before APs are booted.
// So we can "safely" bypass the lock here.
reinterpret_cast<String&>(hostname()) = "courage";
create_signal_trampoline();
}