* Karsten Wiese <[email protected]> wrote:
> work_resched:
> DISABLE_INTERRUPTS
> call __schedule
> # make sure we don't miss an interrupt
> # setting need_resched or sigpending
> # between sampling and the iret
> movl TI_flags(%ebp), %ecx
> andl $_TIF_WORK_MASK, %ecx # is there any work to be done other
> # than syscall tracing?
> jz restore_all
> testl $(_TIF_NEED_RESCHED|_TIF_NEED_RESCHED_DELAYED), %ecx
> jnz work_resched
>
> The hwclock page_fault happens at the
> movl TI_flags(%ebp), %ecx
> line.
hm, weird - maybe something corrupts %ebp here? Could you try to add
this to before the faulting instruction:
GET_THREAD_INFO(%ebp)
this will make sure %ebp has the right contents.
Ingo
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