| .. | .. |
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| 750 | 750 | ENTRY(resume_kernel) |
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| 751 | 751 | DISABLE_INTERRUPTS(CLBR_ANY) |
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| 752 | 752 | .Lneed_resched: |
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| 753 | + # preempt count == 0 + NEED_RS set? |
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| 753 | 754 | cmpl $0, PER_CPU_VAR(__preempt_count) |
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| 755 | +#ifndef CONFIG_PREEMPT_LAZY |
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| 754 | 756 | jnz restore_all_kernel |
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| 757 | +#else |
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| 758 | + jz test_int_off |
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| 759 | + |
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| 760 | + # atleast preempt count == 0 ? |
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| 761 | + cmpl $_PREEMPT_ENABLED,PER_CPU_VAR(__preempt_count) |
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| 762 | + jne restore_all_kernel |
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| 763 | + |
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| 764 | + movl PER_CPU_VAR(current_task), %ebp |
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| 765 | + cmpl $0,TASK_TI_preempt_lazy_count(%ebp) # non-zero preempt_lazy_count ? |
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| 766 | + jnz restore_all_kernel |
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| 767 | + |
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| 768 | + testl $_TIF_NEED_RESCHED_LAZY, TASK_TI_flags(%ebp) |
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| 769 | + jz restore_all_kernel |
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| 770 | +test_int_off: |
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| 771 | +#endif |
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| 755 | 772 | testl $X86_EFLAGS_IF, PT_EFLAGS(%esp) # interrupts off (exception path) ? |
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| 756 | 773 | jz restore_all_kernel |
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| 757 | 774 | call preempt_schedule_irq |
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