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Implement lock IRQ nesting via stack variables/contexts
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Kamil Kowalczyk
2026-01-14 22:11:56 +01:00
parent 55166f9d5f
commit 270ff507d4
22 changed files with 197 additions and 145 deletions
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6
kernel/amd64/smp.h
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@@ -15,7 +15,6 @@ struct cpu {
/* for syscall instruction */
uintptr_t syscall_user_stack;
uintptr_t syscall_kernel_stack;
struct cpu* self;
volatile uint8_t kernel_stack[KSTACK_SIZE] ALIGNED (16);
volatile uint8_t except_stack[KSTACK_SIZE] ALIGNED (16);
volatile uint8_t irq_stack[KSTACK_SIZE] ALIGNED (16);
@@ -26,11 +25,6 @@ struct cpu {
uint64_t lapic_ticks;
uint32_t id;
struct {
uint64_t rflags;
atomic_int nesting;
} irq_ctx;
spin_lock_t lock;
struct rb_node_link* proc_run_q;