diff options
Diffstat (limited to 'arch/x86/kernel/traps.c')
| -rw-r--r-- | arch/x86/kernel/traps.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 71a8f87..c05430a 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -54,14 +54,14 @@ #include <asm/desc.h> #include <asm/i387.h> -#include <mach_traps.h> +#include <asm/mach_traps.h> #ifdef CONFIG_X86_64 #include <asm/pgalloc.h> #include <asm/proto.h> #else #include <asm/processor-flags.h> -#include <asm/arch_hooks.h> +#include <asm/setup.h> #include <asm/traps.h> #include "cpu/mcheck/mce.h" @@ -98,6 +98,12 @@ static inline void preempt_conditional_sti(struct pt_regs *regs) local_irq_enable(); } +static inline void conditional_cli(struct pt_regs *regs) +{ + if (regs->flags & X86_EFLAGS_IF) + local_irq_disable(); +} + static inline void preempt_conditional_cli(struct pt_regs *regs) { if (regs->flags & X86_EFLAGS_IF) @@ -625,8 +631,10 @@ clear_dr7: #ifdef CONFIG_X86_32 debug_vm86: + /* reenable preemption: handle_vm86_trap() might sleep */ + dec_preempt_count(); handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code, 1); - preempt_conditional_cli(regs); + conditional_cli(regs); return; #endif @@ -934,7 +942,7 @@ dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code) info.si_signo = SIGILL; info.si_errno = 0; info.si_code = ILL_BADSTK; - info.si_addr = 0; + info.si_addr = NULL; if (notify_die(DIE_TRAP, "iret exception", regs, error_code, 32, SIGILL) == NOTIFY_STOP) return; @@ -1018,6 +1026,6 @@ void __init trap_init(void) cpu_init(); #ifdef CONFIG_X86_32 - trap_init_hook(); + x86_quirk_trap_init(); #endif } |
