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Kernel: Aggregate TLB flush requests for Regions for SMP

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Rather than sending one TLB flush request for each page,
aggregate them so that we're not spamming the other
processors with FlushTLB IPIs.
This commit is contained in:
Tom 2020-07-06 12:47:08 -06:00 • committed by Andreas Kling
commit 06d50f64b0
Notes: sideshowbarker 2024-07-19 05:05:57 +09:00
3 changed files with 28 additions and 13 deletions
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2
Kernel/Arch/i386/CPU.cpp
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@ -1405,7 +1405,7 @@ void Processor::flush_tlb_local(VirtualAddress vaddr, size_t page_count)
while (page_count > 0) {
asm volatile("invlpg %0"
:
: "m"(*(char*)vaddr.get())
: "m"(*ptr)
: "memory");
ptr += PAGE_SIZE;
page_count--;