diff options
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/desc.h | 82 | ||||
| -rw-r--r-- | arch/x86/include/asm/hw_irq.h | 20 | ||||
| -rw-r--r-- | arch/x86/include/asm/segment.h | 3 |
3 files changed, 6 insertions, 99 deletions
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index 71094f208673..d18a604a0941 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -421,35 +421,7 @@ static inline void set_nmi_gate(int gate, void *addr) } #endif -#ifdef CONFIG_TRACING -extern struct desc_ptr trace_idt_descr; -extern gate_desc trace_idt_table[]; -static inline void write_trace_idt_entry(int entry, const gate_desc *gate) -{ - write_idt_entry(trace_idt_table, entry, gate); -} - -static inline void _trace_set_gate(int gate, unsigned type, void *addr, - unsigned dpl, unsigned ist, unsigned seg) -{ - gate_desc s; - - pack_gate(&s, type, (unsigned long)addr, dpl, ist, seg); - /* - * does not need to be atomic because it is only done once at - * setup time - */ - write_trace_idt_entry(gate, &s); -} -#else -static inline void write_trace_idt_entry(int entry, const gate_desc *gate) -{ -} - -#define _trace_set_gate(gate, type, addr, dpl, ist, seg) -#endif - -static inline void _set_gate(int gate, unsigned type, void *addr, +static inline void _set_gate(int gate, unsigned type, const void *addr, unsigned dpl, unsigned ist, unsigned seg) { gate_desc s; @@ -460,28 +432,13 @@ static inline void _set_gate(int gate, unsigned type, void *addr, * setup time */ write_idt_entry(idt_table, gate, &s); - write_trace_idt_entry(gate, &s); } -/* - * This needs to use 'idt_table' rather than 'idt', and - * thus use the _nonmapped_ version of the IDT, as the - * Pentium F0 0F bugfix can have resulted in the mapped - * IDT being write-protected. - */ -#define set_intr_gate_notrace(n, addr) \ - do { \ - BUG_ON((unsigned)n > 0xFF); \ - _set_gate(n, GATE_INTERRUPT, (void *)addr, 0, 0, \ - __KERNEL_CS); \ - } while (0) - -#define set_intr_gate(n, addr) \ - do { \ - set_intr_gate_notrace(n, addr); \ - _trace_set_gate(n, GATE_INTERRUPT, (void *)trace_##addr,\ - 0, 0, __KERNEL_CS); \ - } while (0) +static inline void set_intr_gate(unsigned int n, const void *addr) +{ + BUG_ON(n > 0xFF); + _set_gate(n, GATE_INTERRUPT, addr, 0, 0, __KERNEL_CS); +} extern unsigned long used_vectors[]; @@ -565,31 +522,6 @@ static inline void load_debug_idt(void) } #endif -#ifdef CONFIG_TRACING -extern atomic_t trace_idt_ctr; -static inline bool is_trace_idt_enabled(void) -{ - if (atomic_read(&trace_idt_ctr)) - return true; - - return false; -} - -static inline void load_trace_idt(void) -{ - load_idt((const struct desc_ptr *)&trace_idt_descr); -} -#else -static inline bool is_trace_idt_enabled(void) -{ - return false; -} - -static inline void load_trace_idt(void) -{ -} -#endif - /* * The load_current_idt() must be called with interrupts disabled * to avoid races. That way the IDT will always be set back to the expected @@ -601,8 +533,6 @@ static inline void load_current_idt(void) { if (is_debug_idt_enabled()) load_debug_idt(); - else if (is_trace_idt_enabled()) - load_trace_idt(); else load_idt((const struct desc_ptr *)&idt_descr); } diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index 4626f8790ce7..6dfe366a8804 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -46,26 +46,6 @@ extern asmlinkage void deferred_error_interrupt(void); extern asmlinkage void call_function_interrupt(void); extern asmlinkage void call_function_single_interrupt(void); -#ifdef CONFIG_TRACING -/* Interrupt handlers registered during init_IRQ */ -#define trace_reschedule_interrupt reschedule_interrupt -#define trace_call_function_interrupt call_function_interrupt -#define trace_call_function_single_interrupt call_function_single_interrupt -#define trace_thermal_interrupt thermal_interrupt -#define trace_threshold_interrupt threshold_interrupt -#define trace_deferred_error_interrupt deferred_error_interrupt -#define trace_irq_work_interrupt irq_work_interrupt -#define trace_error_interrupt error_interrupt -#define trace_spurious_interrupt spurious_interrupt -#define trace_x86_platform_ipi x86_platform_ipi -#define trace_apic_timer_interrupt apic_timer_interrupt -#define trace_irq_move_cleanup_interrupt irq_move_cleanup_interrupt -#define trace_reboot_interrupt reboot_interrupt -#define trace_kvm_posted_intr_ipi kvm_posted_intr_ipi -#define trace_kvm_posted_intr_wakeup_ipi kvm_posted_intr_wakeup_ipi -#define trace_kvm_posted_intr_nested_ipi kvm_posted_intr_nested_ipi -#endif /* CONFIG_TRACING */ - #ifdef CONFIG_X86_LOCAL_APIC struct irq_data; struct pci_dev; diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h index 1549caa098f0..5a602d6e874d 100644 --- a/arch/x86/include/asm/segment.h +++ b/arch/x86/include/asm/segment.h @@ -238,9 +238,6 @@ #ifndef __ASSEMBLY__ extern const char early_idt_handler_array[NUM_EXCEPTION_VECTORS][EARLY_IDT_HANDLER_SIZE]; -#ifdef CONFIG_TRACING -# define trace_early_idt_handler_array early_idt_handler_array -#endif /* * Load a segment. Fall back on loading the zero segment if something goes |