-Suresh On Wed, Jun 05, 2013 at 03:09:34PM -0600, Bjorn Helgaas wrote: > > Alexander had an example device that advertised 16 vectors, but the > driver knew that it could only generate 6. That's a case where we > can't compute 'multiple' from 'nvec' (assuming the driver supplies > 'nvec == 6'). If we just rounded up to compute 'multiple', I think > we'd compute 8 instead of 16.
Sure, but as I said: the only place where 'multiple' is computed / written it is doing the round-up thingy. > > While nitpicking, 'nvec' might deserve a better comment than 'number of > > messages' since it holds the number of allocated interrupts. :) > > I did change the name 'nvec' to 'nvec_used', which should help a bit. > But I agree that it's still somewhat confusing. > > BTW, the patches actually in my tree are at > http://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/log/?h=pci/alexander-msi > (I tweaked this name and some comments slightly). 'nvec_used' is better the comment next to it is still wrong I think. > Bjorn Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
