Bug in kse_switchin()?
bel at orel.ru
Tue Sep 21 22:52:55 PDT 2004
Daniel Eischen wrote:
> On Tue, 21 Sep 2004, Julian Elischer wrote:
>>Andrew Belashov wrote:
>>>In line with "suword32(&uap->tmbx->tm_lwp, td->td_tid)" kernel
>>>not check return value (error state). This is correct?
>>yes and no.
>>You are correct.
>>It is never correct to "not check" however we have just looked at that
>>location 7 lines earlier, so we know
>>that the page in question is loaded and valid. This is is "prbably safe".
>>Probably we should look at the error value also, even if this is true.
> Julian, you missed an important question below. It looks
> like he's trying to get this working with sparc64 and the
> suword32 is generating an alignment exception.
> Is lwpid_t 64-bit on sparc64 or is it somehow not being aligned
> properly within the mailbox?
lwpid_t on sparc64 is 32-bit (typedef __int32_t __lwpid_t).
What about using copyout?
With best regards,
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