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Do not map heap on AP, due to it being independent from the BSP heap. We need to adjust the mapping so that kernel mappings are shared accross processors, probably using higher half mapping for the kernel

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This commit is contained in:
Jeremy Soller 2016-08-17 17:46:56 -06:00
parent ec1302bbe1
commit 48741e3b99
1 changed files with 3 additions and 8 deletions
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11
arch/x86_64/src/start.rs
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@ -95,15 +95,10 @@ pub unsafe extern fn kstart_ap(stack_start: usize, stack_end: usize) -> ! {
idt::init_ap();
// Initialize paging
let mut active_table = paging::init(stack_start, stack_end);
//let mut active_table =
paging::init(stack_start, stack_end);
// Map heap
let heap_start_page = Page::containing_address(VirtualAddress::new(HEAP_START));
let heap_end_page = Page::containing_address(VirtualAddress::new(HEAP_START + HEAP_SIZE-1));
for page in Page::range_inclusive(heap_start_page, heap_end_page) {
active_table.map(page, entry::WRITABLE | entry::NO_EXECUTE);
}
// TODO: Use heap from master, ensuring consistency
}
while ! BSP_READY.load(Ordering::SeqCst) {