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Kernel: Reduce the number of sent IPIs

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Only send an IPI when the target processors don't have pending messages.
This basically gets rid of TLB shootdowns from showing up in profiles.
Before they were taking maybe >10% kernel time :^D
This commit is contained in:
Bananymous
2026-05-19 23:52:38 +03:00
parent 24c37e7381
commit 376e4b4c45
2 changed files with 15 additions and 6 deletions
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2
kernel/include/kernel/Processor.h
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@@ -132,7 +132,7 @@ namespace Kernel
static void handle_ipi();
static void handle_smp_messages();
static void send_smp_message(ProcessorID, const SMPMessage&, bool send_ipi = true);
static bool send_smp_message(ProcessorID, const SMPMessage&, bool send_ipi = true);
static void broadcast_smp_message(const SMPMessage&);
static void load_segments();