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Kernel: Put page fault logspam behind PAGE_FAULT_DEBUG.
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5e8d6b1bf4
commit
9860e55047
2 changed files with 8 additions and 0 deletions
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@ -357,17 +357,23 @@ PageFaultResponse MemoryManager::handle_page_fault(const PageFault& fault)
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auto page_index_in_region = region->page_index_from_address(fault.laddr());
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auto page_index_in_region = region->page_index_from_address(fault.laddr());
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if (fault.is_not_present()) {
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if (fault.is_not_present()) {
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if (region->vmo().inode()) {
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if (region->vmo().inode()) {
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#ifdef PAGE_FAULT_DEBUG
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dbgprintf("NP(inode) fault in Region{%p}[%u]\n", region, page_index_in_region);
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dbgprintf("NP(inode) fault in Region{%p}[%u]\n", region, page_index_in_region);
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#endif
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page_in_from_inode(*region, page_index_in_region);
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page_in_from_inode(*region, page_index_in_region);
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return PageFaultResponse::Continue;
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return PageFaultResponse::Continue;
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} else {
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} else {
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#ifdef PAGE_FAULT_DEBUG
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dbgprintf("NP(zero) fault in Region{%p}[%u]\n", region, page_index_in_region);
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dbgprintf("NP(zero) fault in Region{%p}[%u]\n", region, page_index_in_region);
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#endif
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zero_page(*region, page_index_in_region);
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zero_page(*region, page_index_in_region);
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return PageFaultResponse::Continue;
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return PageFaultResponse::Continue;
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}
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}
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} else if (fault.is_protection_violation()) {
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} else if (fault.is_protection_violation()) {
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if (region->m_cow_map.get(page_index_in_region)) {
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if (region->m_cow_map.get(page_index_in_region)) {
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#ifdef PAGE_FAULT_DEBUG
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dbgprintf("PV(cow) fault in Region{%p}[%u]\n", region, page_index_in_region);
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dbgprintf("PV(cow) fault in Region{%p}[%u]\n", region, page_index_in_region);
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#endif
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bool success = copy_on_write(*region, page_index_in_region);
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bool success = copy_on_write(*region, page_index_in_region);
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ASSERT(success);
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ASSERT(success);
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return PageFaultResponse::Continue;
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return PageFaultResponse::Continue;
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@ -237,6 +237,7 @@ void exception_14_handler(RegisterDumpWithExceptionCode& regs)
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dword fault_page_directory;
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dword fault_page_directory;
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asm ("movl %%cr3, %%eax":"=a"(fault_page_directory));
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asm ("movl %%cr3, %%eax":"=a"(fault_page_directory));
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#ifdef PAGE_FAULT_DEBUG
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dbgprintf("%s(%u): ring%u %s page fault in PD=%x, %s L%x\n",
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dbgprintf("%s(%u): ring%u %s page fault in PD=%x, %s L%x\n",
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current->name().characters(),
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current->name().characters(),
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current->pid(),
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current->pid(),
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@ -245,6 +246,7 @@ void exception_14_handler(RegisterDumpWithExceptionCode& regs)
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fault_page_directory,
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fault_page_directory,
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regs.exception_code & 2 ? "write" : "read",
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regs.exception_code & 2 ? "write" : "read",
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faultAddress);
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faultAddress);
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#endif
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word ss;
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word ss;
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dword esp;
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dword esp;
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