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authorHeiko Carstens <heiko.carstens@de.ibm.com>2008-04-30 13:38:47 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-04-30 13:38:48 +0200
commit17f345808563d2f425b2b15d60c4a5b00112e9eb (patch)
treee12fe48f44c5d4d50cf1e92e679bc1badea0623a /drivers/s390
parent53492b1de46a7576170e865062ffcfc93bb5650b (diff)
[S390] Convert to SPARSEMEM & SPARSEMEM_VMEMMAP
Convert s390 to SPARSEMEM and SPARSEMEM_VMEMMAP. We do a select of SPARSEMEM_VMEMMAP since it is configurable. This is because SPARSEMEM without SPARSEMEM_VMEMMAP gives us a hell of broken include dependencies that I don't want to fix. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/kvm/kvm_virtio.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c
index bbef3764fbf8..47a7e6200b26 100644
--- a/drivers/s390/kvm/kvm_virtio.c
+++ b/drivers/s390/kvm/kvm_virtio.c
@@ -17,6 +17,7 @@
#include <linux/virtio_config.h>
#include <linux/interrupt.h>
#include <linux/virtio_ring.h>
+#include <linux/pfn.h>
#include <asm/io.h>
#include <asm/kvm_para.h>
#include <asm/kvm_virtio.h>
@@ -180,11 +181,10 @@ static struct virtqueue *kvm_find_vq(struct virtio_device *vdev,
config = kvm_vq_config(kdev->desc)+index;
- if (add_shared_memory(config->address,
- vring_size(config->num, PAGE_SIZE))) {
- err = -ENOMEM;
+ err = vmem_add_mapping(config->address,
+ vring_size(config->num, PAGE_SIZE));
+ if (err)
goto out;
- }
vq = vring_new_virtqueue(config->num, vdev, (void *) config->address,
kvm_notify, callback);
@@ -202,8 +202,8 @@ static struct virtqueue *kvm_find_vq(struct virtio_device *vdev,
vq->priv = config;
return vq;
unmap:
- remove_shared_memory(config->address, vring_size(config->num,
- PAGE_SIZE));
+ vmem_remove_mapping(config->address,
+ vring_size(config->num, PAGE_SIZE));
out:
return ERR_PTR(err);
}
@@ -213,8 +213,8 @@ static void kvm_del_vq(struct virtqueue *vq)
struct kvm_vqconfig *config = vq->priv;
vring_del_virtqueue(vq);
- remove_shared_memory(config->address,
- vring_size(config->num, PAGE_SIZE));
+ vmem_remove_mapping(config->address,
+ vring_size(config->num, PAGE_SIZE));
}
/*
@@ -318,12 +318,13 @@ static int __init kvm_devices_init(void)
return rc;
}
- if (add_shared_memory((max_pfn) << PAGE_SHIFT, PAGE_SIZE)) {
+ rc = vmem_add_mapping(PFN_PHYS(max_pfn), PAGE_SIZE);
+ if (rc) {
device_unregister(&kvm_root);
- return -ENOMEM;
+ return rc;
}
- kvm_devices = (void *) (max_pfn << PAGE_SHIFT);
+ kvm_devices = (void *) PFN_PHYS(max_pfn);
ctl_set_bit(0, 9);
register_external_interrupt(0x2603, kvm_extint_handler);