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authorLinus Torvalds <torvalds@linux-foundation.org>2016-03-20 13:28:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-20 13:28:18 -0700
commitf0691533b756931089902464ca15afc218a49d70 (patch)
tree7d72b43866be5ae5507efb9c2976059d5d5cc0f1 /arch/s390/Kconfig
parent2b2f72d8ce59acce95ceb156f0f31b848e32e6d4 (diff)
parentc67f5db82027ba6d2ea4ac9176bc45996a03ae6a (diff)
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio/vhost updates from Michael Tsirkin: "New features, performance improvements, cleanups: - basic polling support for vhost - rework virtio to optionally use DMA API, fixing it on Xen - balloon stats gained a new entry - using the new napi_alloc_skb speeds up virtio net - virtio blk stats can now be read while another VCPU is busy inflating or deflating the balloon plus misc cleanups in various places" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: virtio_net: replace netdev_alloc_skb_ip_align() with napi_alloc_skb() vhost_net: basic polling support vhost: introduce vhost_vq_avail_empty() vhost: introduce vhost_has_work() virtio_balloon: Allow to resize and update the balloon stats in parallel virtio_balloon: Use a workqueue instead of "vballoon" kthread virtio/s390: size of SET_IND payload virtio/s390: use dev_to_virtio vhost: rename vhost_init_used() vhost: rename cross-endian helpers virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH vring: Use the DMA API on Xen virtio_pci: Use the DMA API if enabled virtio_mmio: Use the DMA API if enabled virtio: Add improved queue allocation API virtio_ring: Support DMA APIs vring: Introduce vring_use_dma_api() s390/dma: Allow per device dma ops alpha/dma: use common noop dma ops dma: Provide simple noop dma ops
Diffstat (limited to 'arch/s390/Kconfig')
-rw-r--r--arch/s390/Kconfig5
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 7e3e8a8338d6..b9df8d11d7a9 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -124,6 +124,7 @@ config S390
select HAVE_CMPXCHG_DOUBLE
select HAVE_CMPXCHG_LOCAL
select HAVE_DEBUG_KMEMLEAK
+ select HAVE_DMA_API_DEBUG
select HAVE_DYNAMIC_FTRACE
select HAVE_DYNAMIC_FTRACE_WITH_REGS
select HAVE_FTRACE_MCOUNT_RECORD
@@ -617,10 +618,6 @@ config HAS_IOMEM
config IOMMU_HELPER
def_bool PCI
-config HAS_DMA
- def_bool PCI
- select HAVE_DMA_API_DEBUG
-
config NEED_SG_DMA_LENGTH
def_bool PCI