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Kernel: Add Processor::is_bootstrap_processor() function, and use it. (#6871)

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The variety of checks for Processor::id() == 0 could use some assistance
in the readability department. This change adds a new function to
represent this check, and replaces the comparison everywhere it's used.
This commit is contained in:
Brian Gianforcaro 2021-05-05 16:48:26 +00:00 • committed by GitHub
parent 72a61fe137
commit 64b4e3f34b
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4 changed files with 10 additions and 6 deletions
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5
Kernel/Scheduler.cpp
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@ -475,7 +475,7 @@ UNMAP_AFTER_INIT Thread* Scheduler::create_ap_idle_thread(u32 cpu)
{
VERIFY(cpu != 0);
// This function is called on the bsp, but creates an idle thread for another AP
VERIFY(Processor::id() == 0);
VERIFY(Processor::is_bootstrap_processor());
VERIFY(s_colonel_process);
Thread* idle_thread = s_colonel_process->create_kernel_thread(idle_loop, nullptr, THREAD_PRIORITY_MIN, String::formatted("idle thread #{}", cpu), 1 << cpu, false);
@ -497,8 +497,7 @@ void Scheduler::timer_tick(const RegisterState& regs)
VERIFY(current_thread->current_trap()->regs == &regs);
#if !SCHEDULE_ON_ALL_PROCESSORS
bool is_bsp = Processor::id() == 0;
if (!is_bsp)
if (!Processor::is_bootstrap_processor())
return; // TODO: This prevents scheduling on other CPUs!
#endif