Re: Interrupt issue on m68k platform and some fix

[Andreas Schwab <schwab@xxxxxxxxxxxxxx>]

Lanttor <lanttor.guo@xxxxxxxxxxxxx> writes:

> My understanding of "*addql   #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)*"
> is that its meaning is equal to
> "current_thread_info()->preempt_count += HARDIRQ_OFFSET",

No, it isn't.  It is equivalent to
*(long *)((char *)&current_thread_info()->preempt_count + 1) += 1
which is of course completely bogus.

Andreas.

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