x86/idt: Use proper constants for table size (5a2bafca) · Commits · 戴 / test

Use the actual struct size to calculate the IDT table size instead of hardcoded values. Signed-off-by:

arch/x86/kernel/idt.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -51,6 +51,7 @@ struct idt_data {
		#define TSKG(_vector, _gdt) \
		G(_vector, NULL, DEFAULT_STACK, GATE_TASK, DPL0, _gdt << 3)

		#define IDT_TABLE_SIZE (IDT_ENTRIES * sizeof(gate_desc))

		static bool idt_setup_done __initdata;

		@@ -168,7 +169,7 @@ static const __initconst struct idt_data early_pf_idts[] = {
		gate_desc idt_table[IDT_ENTRIES] __page_aligned_bss;

		struct desc_ptr idt_descr __ro_after_init = {
		.size = (IDT_ENTRIES * 2 * sizeof(unsigned long)) - 1,
		.size = IDT_TABLE_SIZE - 1,
		.address = (unsigned long) idt_table,
		};