Manfred Spraul writes:
> process 2 (on cpu 1)
> read(fd,buf,64kB).
> * reads the data
> * now it must wake up, but it will return from the syscall, thus
> wake_up_interruptible().
Oh, I see and thus the pre-kiovec case would be:
process 2 (on cpu 1)
read(fd, buf,64kb)
* reads 4K
* wake_up_interruptible_sync()
* sleep()
* reads 4K
etc etc.
Later,
David S. Miller
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