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| author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2022-03-23 19:57:22 +0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-04-06 10:50:38 +0200 |
| commit | 8e3b0cbb7212a1e5707ed2d4c26b4e3d2483768d (patch) | |
| tree | fe73195ef7adcea2745f6f31502264157be476c2 /hw/virtio/vhost-shadow-virtqueue.c | |
| parent | b307e5052d5c09a2bb71b1670c14ca4fc44ea33f (diff) | |
| download | focaccia-qemu-8e3b0cbb7212a1e5707ed2d4c26b4e3d2483768d.tar.gz focaccia-qemu-8e3b0cbb7212a1e5707ed2d4c26b4e3d2483768d.zip | |
Replace qemu_real_host_page variables with inlined functions
Replace the global variables with inlined helper functions. getpagesize() is very likely annotated with a "const" function attribute (at least with glibc), and thus optimization should apply even better. This avoids the need for a constructor initialization too. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20220323155743.1585078-12-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/virtio/vhost-shadow-virtqueue.c')
| -rw-r--r-- | hw/virtio/vhost-shadow-virtqueue.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-virtqueue.c index b232803d1b..1e5cfe2af6 100644 --- a/hw/virtio/vhost-shadow-virtqueue.c +++ b/hw/virtio/vhost-shadow-virtqueue.c @@ -471,14 +471,14 @@ size_t vhost_svq_driver_area_size(const VhostShadowVirtqueue *svq) size_t avail_size = offsetof(vring_avail_t, ring) + sizeof(uint16_t) * svq->vring.num; - return ROUND_UP(desc_size + avail_size, qemu_real_host_page_size); + return ROUND_UP(desc_size + avail_size, qemu_real_host_page_size()); } size_t vhost_svq_device_area_size(const VhostShadowVirtqueue *svq) { size_t used_size = offsetof(vring_used_t, ring) + sizeof(vring_used_elem_t) * svq->vring.num; - return ROUND_UP(used_size, qemu_real_host_page_size); + return ROUND_UP(used_size, qemu_real_host_page_size()); } /** @@ -533,11 +533,11 @@ void vhost_svq_start(VhostShadowVirtqueue *svq, VirtIODevice *vdev, svq->vring.num = virtio_queue_get_num(vdev, virtio_get_queue_index(vq)); driver_size = vhost_svq_driver_area_size(svq); device_size = vhost_svq_device_area_size(svq); - svq->vring.desc = qemu_memalign(qemu_real_host_page_size, driver_size); + svq->vring.desc = qemu_memalign(qemu_real_host_page_size(), driver_size); desc_size = sizeof(vring_desc_t) * svq->vring.num; svq->vring.avail = (void *)((char *)svq->vring.desc + desc_size); memset(svq->vring.desc, 0, driver_size); - svq->vring.used = qemu_memalign(qemu_real_host_page_size, device_size); + svq->vring.used = qemu_memalign(qemu_real_host_page_size(), device_size); memset(svq->vring.used, 0, device_size); svq->ring_id_maps = g_new0(VirtQueueElement *, svq->vring.num); for (unsigned i = 0; i < svq->vring.num - 1; i++) { |