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max_signal_long
2013 Oct 16
0
答复: Re: DomU's network interface will hung when Dom0 running 32bit
...n tx_credit_exceeded().
> >> I know the inline function time_after_eq(a,b) will process jiffies
> >> overflow, but the function have one limit a should little that (b +
> >> MAX_SIGNAL_LONG). If a large than the value, time_after_eq will
> >> return false. The MAX_SINGNAL_LONG should be 0x7fffffff at 32-bit
> >> machine.
> >> If DomU''s network interface send lesser package (<0.5k/s if
> >> jiffies=250 and credit_bytes=ULONG_MAX), jiffies will beyond out
> >> (credit_timeout.expires + MAX_SIGNAL_LONG) and time_after_eq(no...