For segments, the job is split between hardware and microcode. When LD_DESCRIPTOR fires its protection test at 5CD, the Test PLA OR's the A-bit (bit 8 of the descriptor high DWORD) into a temporary register called PROTUN. Then the microcode at PROT_TESTS_PASSED takes over and writes the modified value back to the GDT or LDT in memory:
"itemsRemoved": [
，推荐阅读搜狗输入法2026获取更多信息
"tengu_mcp_tool_search": true,
Зеленский сделал признание о многолетней проблеме ВСУЗеленский: Дефицит военных ВСУ серьезный и продолжается не один год, они устали
NBC via Getty Images