On Tue, 22 Oct 2002, David Grothe wrote:
> In 2.5.41every architecture except Intel 386 has a "#define cli
> <something>" in its asm-arch/system.h file. Is there supposed to be such a
> define in asm-i386/system.h? If not, where does the "official" definition
> of cli() live for Intel? Or what is the include file that one needs to
> pick it up? I can't find it.
> Thanks,
> Dave
Grep for 'spin_lock'. You can't just use `cli` alone. It won't protect
the critical section. You probably need:
spin_lock_irqsave(&lock, flags);
//.... critical section
spin_unlock_irqrestore(&lock, flags);
Cheers,
Dick Johnson
Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips).
Bush : The Fourth Reich of America
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This archive was generated by hypermail 2b29 : Wed Oct 23 2002 - 22:01:03 EST