Dave Airlie writes:
>>> correct.
>>>
>>> If I have an indirect ring and I'm adding sgs to it and the host is
>>> delayed (say I've got a thread consuming things from the vring and its
>>> off doing something interesting),
>>> I'd really like to get ENOSPC back from virtqueue_add. However if the
>>
Dave Airlie writes:
> Hi Rusty,
>
> current virtio-ring.c has a BUG_ON in virtqueue_add that checks
> total_sg > vg->vring.num, however I'm not sure it really is 100%
> correct.
>
> If I have an indirect ring and I'm adding sgs to it and the host is
> delayed (say I've got a thread consuming thing
"Michael S. Tsirkin" writes:
> On Sun, May 26, 2013 at 03:49:53PM -0500, Anthony Liguori wrote:
>> Paolo Bonzini writes:
>>
>> > Il 26/05/2013 22:02, Michael S. Tsirkin ha scritto:
>> >> > My fault. I should have looked at linux/types.h (actually
>> >> > asm-generic/).
>> >>
>> >> Not really
On Sun, May 26, 2013 at 03:49:53PM -0500, Anthony Liguori wrote:
> Paolo Bonzini writes:
>
> > Il 26/05/2013 22:02, Michael S. Tsirkin ha scritto:
> >> > My fault. I should have looked at linux/types.h (actually asm-generic/).
> >>
> >> Not really, __uX appear in the headers that were posted.
>
Paolo Bonzini writes:
> Il 26/05/2013 22:02, Michael S. Tsirkin ha scritto:
>> > My fault. I should have looked at linux/types.h (actually asm-generic/).
>>
>> Not really, __uX appear in the headers that were posted.
Which is a problem because this is a reserved namespace in C99.
>> What I'm
Enhance PCI core to use hotplug-safe iterators to walk PCI buses.
In other words, replace pci_find_bus(), pci_find_next_bus() and
pci_root_buses with pci_bus_exists(), pci_get_bus(), pci_get_next_bus()
and pci_get_next_root_bus() etc.
Signed-off-by: Jiang Liu
Acked-by: Yinghai Lu
Cc: Konrad Rze
Enhance adjust_managed_page_count() to adjust totalhigh_pages for
highmem pages. And change code which directly adjusts totalram_pages
to use adjust_managed_page_count() because it adjusts totalram_pages,
totalhigh_pages and zone->managed_pages altogether in a safe way.
Remove inc_totalhigh_pages(
