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Some virtio device drivers (9p) need to translate high virtual addresses to physical addresses, which are inserted into the virtqueue for processing by userspace. This patch exports the kmap_to_page symbol, so that the affected drivers can be compiled as modules. Signed-off-by: Will Deacon <will.deacon at arm.com> --- mm/highmem.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)

Some virtio device drivers (9p) need to translate high virtual addresses to physical addresses, which are inserted into the virtqueue for processing by userspace. This patch exports the kmap_to_page symbol, so that the affected drivers can be compiled as modules. Signed-off-by: Will Deacon <will.deacon at arm.com> --- mm/highmem.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)

...@ struct virtio_device { /* Note that this is a Linux set_bit-style bitmap. */ unsigned long features[1]; void *priv; + unsigned int indirect_thresh; }; #define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev) diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 35b8911..418f933 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -52,6 +52,9 @@ #define VIRTQUEUE_NUM 128 +static unsigned int indirect_thresh; +module_param(indirect_thresh, uint, S_IRUGO); + /* a single mutex to manage channel initialization and attachment */ static DEFINE_MUTEX(...

...@ struct virtio_device { /* Note that this is a Linux set_bit-style bitmap. */ unsigned long features[1]; void *priv; + unsigned int indirect_thresh; }; #define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev) diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 35b8911..418f933 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -52,6 +52,9 @@ #define VIRTQUEUE_NUM 128 +static unsigned int indirect_thresh; +module_param(indirect_thresh, uint, S_IRUGO); + /* a single mutex to manage channel initialization and attachment */ static DEFINE_MUTEX(...

...@ struct virtio_device { /* Note that this is a Linux set_bit-style bitmap. */ unsigned long features[1]; void *priv; + unsigned int indirect_thresh; }; #define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev) diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 35b8911..fc93962 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -52,6 +52,9 @@ #define VIRTQUEUE_NUM 128 +static unsigned int indirect_thresh; +module_param(indirect_thresh, uint, S_IRUGO); + /* a single mutex to manage channel initialization and attachment */ static DEFINE_MUTEX(...

...@ struct virtio_device { /* Note that this is a Linux set_bit-style bitmap. */ unsigned long features[1]; void *priv; + unsigned int indirect_thresh; }; #define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev) diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 35b8911..fc93962 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -52,6 +52,9 @@ #define VIRTQUEUE_NUM 128 +static unsigned int indirect_thresh; +module_param(indirect_thresh, uint, S_IRUGO); + /* a single mutex to manage channel initialization and attachment */ static DEFINE_MUTEX(...