tree 0dc92565e507ed6d4cb769382353dc89338c773c
parent 39df4ed40b3e1c8e2b76b536a811045809bcacb4
author Vaibhav Rustagi <vaibhavrustagi@google.com> 1558567894 +0000
committer Vaibhav Rustagi <vaibhavrustagi@google.com> 1558568401 +0000

Revert "UPSTREAM: cpumask: make cpumask_next_wrap available without smp"

This reverts commit 39df4ed40b3e1c8e2b76b536a811045809bcacb4.

Reason for revert: This change requires dependency on a set of patches which were not submitted

Original change's description:
> UPSTREAM: cpumask: make cpumask_next_wrap available without smp
>
> The kbuild robot shows build failure on machines without CONFIG_SMP:
>
>   drivers/net/virtio_net.c:1916:10: error:
>     implicit declaration of function 'cpumask_next_wrap'
>
> cpumask_next_wrap is exported from lib/cpumask.o, which has
>
>     lib-$(CONFIG_SMP) += cpumask.o
>
> same as other functions, also define it as static inline in the
> NR_CPUS==1 branch in include/linux/cpumask.h.
>
> If wrap is true and next == start, return nr_cpumask_bits, or 1.
> Else wrap across the range of valid cpus, here [0].
>
> Fixes: 2ca653d607ce ("virtio_net: Stripe queue affinities across cores.")
> Signed-off-by: Willem de Bruijn <willemb@google.com>
> Tested-by: Krzysztof Kozlowski <krzk@kernel.org>
> Signed-off-by: David S. Miller <davem@davemloft.net>
> (cherry picked from commit 9af18e56d43ca4864ce65c3542c513827c2697de)
>
> BUG=b:130392469
>
> TEST=Compiled. Requirement for previous patch in series.
>
> Change-Id: Ib07261a492a358db0c678cc700d25571d907be12
> Reviewed-on: https://chromium-review.googlesource.com/1566547
> Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
> Tested-by: Vaibhav Rustagi <vaibhavrustagi@google.com>
> Reviewed-by: Sean Paul <seanpaul@chromium.org>
> Reviewed-by: Aditya Kali <adityakali@google.com>
> Reviewed-by: Guenter Roeck <groeck@chromium.org>
> (cherry picked from commit 2a66119a9539c1434dd557e953d4ac272eac5a56)
> Signed-off-by: vaibhavrustagi <vaibhavrustagi@google.com>
> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/1619330
> Reviewed-by: Zubin Mithra <zsm@chromium.org>

Bug: b:130392469
Change-Id: I6cd44e86ddf2bd529e77957b465aed65228d6242
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/1626165
Commit-Queue: Vaibhav Rustagi <vaibhavrustagi@google.com>
Tested-by: Vaibhav Rustagi <vaibhavrustagi@google.com>
Reviewed-by: Zubin Mithra <zsm@chromium.org>