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Kernel/SMP: Don't process SMP messages in non-SMP mode

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Processing SMP messages outside of non-SMP mode is a waste of time,
and now that we don't rely on the side effects of calling the message
processing function, let's stop calling it entirely. :^)
This commit is contained in:
Andreas Kling 2021-08-09 13:39:08 +02:00
parent a971de89d3
commit 74e6a70958
2 changed files with 11 additions and 1 deletions
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5
Kernel/Arch/x86/Processor.h
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@ -205,7 +205,8 @@ public:
ALWAYS_INLINE static void wait_check()
{
Processor::pause();
Processor::current().smp_process_pending_messages();
if (Processor::is_smp_enabled())
Processor::current().smp_process_pending_messages();
}
[[noreturn]] static void halt();
@ -252,6 +253,8 @@ public:
ALWAYS_INLINE ProcessorInfo& info() { return *m_info; }
static bool is_smp_enabled();
ALWAYS_INLINE static Processor& current()
{
return *(Processor*)read_gs_ptr(__builtin_offsetof(Processor, m_self));