mirror of https://gitee.com/openkylin/linux.git
x86: clean up comment style in arch/x86/kernel/traps.c
Impact: cleanup Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -292,8 +292,10 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code)
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tsk->thread.error_code = error_code;
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tsk->thread.trap_no = 8;
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/* This is always a kernel trap and never fixable (and thus must
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never return). */
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/*
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* This is always a kernel trap and never fixable (and thus must
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* never return).
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*/
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for (;;)
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die(str, regs, error_code);
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}
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@ -524,9 +526,11 @@ dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code)
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}
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#ifdef CONFIG_X86_64
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/* Help handler running on IST stack to switch back to user stack
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for scheduling or signal handling. The actual stack switch is done in
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entry.S */
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/*
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* Help handler running on IST stack to switch back to user stack
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* for scheduling or signal handling. The actual stack switch is done in
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* entry.S
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*/
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asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs)
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{
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struct pt_regs *regs = eregs;
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@ -536,8 +540,10 @@ asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs)
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/* Exception from user space */
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else if (user_mode(eregs))
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regs = task_pt_regs(current);
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/* Exception from kernel and interrupts are enabled. Move to
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kernel process stack. */
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/*
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* Exception from kernel and interrupts are enabled. Move to
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* kernel process stack.
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*/
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else if (eregs->flags & X86_EFLAGS_IF)
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regs = (struct pt_regs *)(eregs->sp -= sizeof(struct pt_regs));
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if (eregs != regs)
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@ -707,8 +713,10 @@ void math_error(void __user *ip)
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} else if (err & 0x020) { /* Precision */
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info.si_code = FPE_FLTRES;
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} else {
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/* If we're using IRQ 13, or supposedly even some trap 16
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implementations, it's possible we get a spurious trap... */
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/*
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* If we're using IRQ 13, or supposedly even some trap 16
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* implementations, it's possible we get a spurious trap...
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*/
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return; /* Spurious trap, no error */
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}
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force_sig_info(SIGFPE, &info, task);
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