Re: [PATCH] Audit: EINTR instead of kernel private return codes in audit records
Steve Grubb napsal(a):
On Wednesday 14 November 2007 15:22:08 Eric Paris wrote:
> + if (unlikely((return_code == -ERESTART_RESTARTBLOCK) ||
> + (return_code == -ERESTARTNOHAND) ||
> + (return_code == -ERESTARTSYS) ||
> + (return_code == -ERESTARTNOINTR)))
Would it be more efficient to say:
if (unlikely(return_code <= -ERESTARTSYS &&
return_code >= -ERESTART_RESTARTBLOCK))
That gets it down to 2 compares and 1 logical op.
gcc performs this transformation
automatically.
Mirek