On 08/08/2017 09:28 AM, Andrew Cooper wrote: > On 08/08/17 14:25, Boris Ostrovsky wrote: >> On 08/08/2017 05:48 AM, Jan Beulich wrote: >>>>>> Andrew Cooper <andrew.coop...@citrix.com> 08/07/17 7:19 PM >>> >>>> More than once, we've discussed freeing up the legacy PIC range of >>>> vectors, and freeing up the unallocated vectors in 0xfx. >>> And that's something I would prefer over the change proposed here, >>> albeit I realize that the amount of vectors to recover isn't that large. >> That would only net us 32 vectors at the most. That probably wouldn't be >> sufficient in many cases where we are currently having vector shortage. >> Unfortunately I don't have access to my failing system to say how may >> vectors I was short but I believe it was more than that. > Indeed, which is why I haven't actually undertaken the work. It doesn't > come close to solving the problem. > >> (I am also not sure I understand what is meant by "freeing". Where are >> they going?) > By "freeing", I mean "available for general irq use" rather than being > reserved and unused in the system. >
OK, so it's then definitely less than 32 vectors that would become available. I will send v2 of this patch. -boris _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
