diff options
| -rw-r--r-- | arch/x86/entry/entry_32.S | 7 | ||||
| -rw-r--r-- | arch/x86/entry/entry_64.S | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/idtentry.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/traps.h | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/idt.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/traps.c | 9 | ||||
| -rw-r--r-- | arch/x86/xen/enlighten_pv.c | 2 | ||||
| -rw-r--r-- | arch/x86/xen/xen-asm_64.S | 2 |
8 files changed, 8 insertions, 19 deletions
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index e5d57f6754ed..31a64df56e3d 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1325,13 +1325,6 @@ SYM_CODE_START(native_iret) SYM_CODE_END(native_iret) #endif -SYM_CODE_START(bounds) - ASM_CLAC - pushl $0 - pushl $do_bounds - jmp common_exception -SYM_CODE_END(bounds) - SYM_CODE_START(invalid_op) ASM_CLAC pushl $0 diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index eb503b0b0cff..a3e484da55d1 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -1073,7 +1073,6 @@ apicinterrupt IRQ_WORK_VECTOR irq_work_interrupt smp_irq_work_interrupt */ idtentry X86_TRAP_BP int3 do_int3 has_error_code=0 -idtentry X86_TRAP_BR bounds do_bounds has_error_code=0 idtentry X86_TRAP_UD invalid_op do_invalid_op has_error_code=0 idtentry X86_TRAP_NM device_not_available do_device_not_available has_error_code=0 idtentry X86_TRAP_OLD_MF coprocessor_segment_overrun do_coprocessor_segment_overrun has_error_code=0 diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h index 54c41b3a2925..d7c160b24981 100644 --- a/arch/x86/include/asm/idtentry.h +++ b/arch/x86/include/asm/idtentry.h @@ -79,5 +79,6 @@ static __always_inline void __##func(struct pt_regs *regs) /* Simple exception entry points. No hardware error code */ DECLARE_IDTENTRY(X86_TRAP_DE, exc_divide_error); DECLARE_IDTENTRY(X86_TRAP_OF, exc_overflow); +DECLARE_IDTENTRY(X86_TRAP_BR, exc_bounds); #endif diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h index 1b0452c47044..73fe4eb3157c 100644 --- a/arch/x86/include/asm/traps.h +++ b/arch/x86/include/asm/traps.h @@ -14,7 +14,6 @@ asmlinkage void debug(void); asmlinkage void nmi(void); asmlinkage void int3(void); -asmlinkage void bounds(void); asmlinkage void invalid_op(void); asmlinkage void device_not_available(void); #ifdef CONFIG_X86_64 @@ -39,7 +38,6 @@ asmlinkage void simd_coprocessor_error(void); asmlinkage void xen_xennmi(void); asmlinkage void xen_xendebug(void); asmlinkage void xen_int3(void); -asmlinkage void xen_bounds(void); asmlinkage void xen_invalid_op(void); asmlinkage void xen_device_not_available(void); asmlinkage void xen_double_fault(void); @@ -61,7 +59,6 @@ asmlinkage void xen_simd_coprocessor_error(void); dotraplinkage void do_debug(struct pt_regs *regs, long error_code); dotraplinkage void do_nmi(struct pt_regs *regs, long error_code); dotraplinkage void do_int3(struct pt_regs *regs, long error_code); -dotraplinkage void do_bounds(struct pt_regs *regs, long error_code); dotraplinkage void do_invalid_op(struct pt_regs *regs, long error_code); dotraplinkage void do_device_not_available(struct pt_regs *regs, long error_code); dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code, unsigned long cr2); diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c index f8d79629535e..87583b69cbc2 100644 --- a/arch/x86/kernel/idt.c +++ b/arch/x86/kernel/idt.c @@ -75,7 +75,7 @@ static const __initconst struct idt_data early_idts[] = { static const __initconst struct idt_data def_idts[] = { INTG(X86_TRAP_DE, asm_exc_divide_error), INTG(X86_TRAP_NMI, nmi), - INTG(X86_TRAP_BR, bounds), + INTG(X86_TRAP_BR, asm_exc_bounds), INTG(X86_TRAP_UD, invalid_op), INTG(X86_TRAP_NM, device_not_available), INTG(X86_TRAP_OLD_MF, coprocessor_segment_overrun), diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index b522e2aa9e9a..7a9fb8b9e1a8 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -410,18 +410,17 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code, unsign panic("Machine halted."); } -dotraplinkage void do_bounds(struct pt_regs *regs, long error_code) +DEFINE_IDTENTRY(exc_bounds) { - RCU_LOCKDEP_WARN(!rcu_is_watching(), "entry code didn't wake RCU"); - if (notify_die(DIE_TRAP, "bounds", regs, error_code, + if (notify_die(DIE_TRAP, "bounds", regs, 0, X86_TRAP_BR, SIGSEGV) == NOTIFY_STOP) return; cond_local_irq_enable(regs); if (!user_mode(regs)) - die("bounds", regs, error_code); + die("bounds", regs, 0); - do_trap(X86_TRAP_BR, SIGSEGV, "bounds", regs, error_code, 0, NULL); + do_trap(X86_TRAP_BR, SIGSEGV, "bounds", regs, 0, 0, NULL); cond_local_irq_disable(regs); } diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index 25cf701f916b..29a52233b81d 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -623,7 +623,7 @@ static struct trap_array_entry trap_array[] = { #endif { page_fault, xen_page_fault, false }, TRAP_ENTRY(exc_divide_error, false ), - { bounds, xen_bounds, false }, + TRAP_ENTRY(exc_bounds, false ), { invalid_op, xen_invalid_op, false }, { device_not_available, xen_device_not_available, false }, { coprocessor_segment_overrun, xen_coprocessor_segment_overrun, false }, diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S index c9c86a06b25d..2cdbf6a37e16 100644 --- a/arch/x86/xen/xen-asm_64.S +++ b/arch/x86/xen/xen-asm_64.S @@ -34,7 +34,7 @@ xen_pv_trap xendebug xen_pv_trap int3 xen_pv_trap xennmi xen_pv_trap asm_exc_overflow -xen_pv_trap bounds +xen_pv_trap asm_exc_bounds xen_pv_trap invalid_op xen_pv_trap device_not_available xen_pv_trap double_fault |