From 2dcb99f7f705dfafd742294a2e14bc35cf31a816 Mon Sep 17 00:00:00 2001 From: Sebastian Fricke Date: Thu, 23 Apr 2020 17:26:36 +0200 Subject: [PATCH] Update gate-descriptor initialization 2/2 Removed backslashes in links in front of underscores as they are unnecessary. Fixes problems of commit: 350c9715ee8d772da7bb03bab549095d914cc442 --- Interrupts/linux-interrupts-1.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Interrupts/linux-interrupts-1.md b/Interrupts/linux-interrupts-1.md index b761dce..b13d68f 100644 --- a/Interrupts/linux-interrupts-1.md +++ b/Interrupts/linux-interrupts-1.md @@ -237,7 +237,7 @@ extern gate_desc idt_table[]; ``` where `gate_struct` is defined as: -[/arch/x86/include/asm/desc\_defs.h](https://github.com/torvalds/linux/blob/master/arch/x86/include/asm/desc_defs.h) +[/arch/x86/include/asm/desc_defs.h](https://github.com/torvalds/linux/blob/master/arch/x86/include/asm/desc_defs.h) ```C struct gate_struct { @@ -360,7 +360,7 @@ DECLARE_PER_CPU(unsigned int, irq_count); DECLARE_PER_CPU(struct irq_stack *, softirq_stack_ptr); ``` -The first and third are the stack pointers for hardware and software interrupts. It is obvious from the name of the variables, that these point to the top of stacks. The second - `irq_count` is used to check if a CPU is already on an interrupt stack or not. Initialization of the `hardirq_stack_ptr` is located in the `irq_init_percpu_irqstack` function in [arch/x86/kernel/irq\_64.c](https://github.com/torvalds/linux/blob/master/arch/x86/kernel/irq_64.c): +The first and third are the stack pointers for hardware and software interrupts. It is obvious from the name of the variables, that these point to the top of stacks. The second - `irq_count` is used to check if a CPU is already on an interrupt stack or not. Initialization of the `hardirq_stack_ptr` is located in the `irq_init_percpu_irqstack` function in [arch/x86/kernel/irq_64.c](https://github.com/torvalds/linux/blob/master/arch/x86/kernel/irq_64.c): ```C int irq_init_percpu_irqstack(unsigned int cpu) @@ -433,7 +433,7 @@ static const __initconst struct idt_data def_idts[] = { INTG(X86_TRAP_DF, double_fault), ``` -where `nmi` and `double_fault` are entry points created at [arch/x86/kernel/entry\_64.S](https://github.com/torvalds/linux/blob/master/arch/x86/entry/entry_64.S): +where `nmi` and `double_fault` are entry points created at [arch/x86/kernel/entry_64.S](https://github.com/torvalds/linux/blob/master/arch/x86/entry/entry_64.S): ```assembly idtentry double_fault do_double_fault has_error_code=1 paranoid=2 read_cr2=1