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-rw-r--r--arch/x86/lguest/Makefile2
-rw-r--r--arch/x86/lguest/head_32.S (renamed from arch/x86/lguest/i386_head.S)0
-rw-r--r--drivers/block/virtio_blk.c2
-rw-r--r--drivers/virtio/virtio_ring.c37
-rw-r--r--include/linux/virtio.h7
-rw-r--r--include/uapi/linux/virtio_console.h3
-rw-r--r--include/uapi/linux/virtio_pci.h4
-rw-r--r--scripts/mod/modpost.c2
8 files changed, 12 insertions, 45 deletions
diff --git a/arch/x86/lguest/Makefile b/arch/x86/lguest/Makefile
index 94e0e54056a9..8f38d577a2fa 100644
--- a/arch/x86/lguest/Makefile
+++ b/arch/x86/lguest/Makefile
@@ -1,2 +1,2 @@
-obj-y := i386_head.o boot.o
+obj-y := head_32.o boot.o
CFLAGS_boot.o := $(call cc-option, -fno-stack-protector)
diff --git a/arch/x86/lguest/i386_head.S b/arch/x86/lguest/head_32.S
index 6ddfe4fc23c3..6ddfe4fc23c3 100644
--- a/arch/x86/lguest/i386_head.S
+++ b/arch/x86/lguest/head_32.S
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 64723953e1c9..5cdf88b7ad9e 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -20,7 +20,7 @@ module_param(use_bio, bool, S_IRUGO);
static int major;
static DEFINE_IDA(vd_index_ida);
-struct workqueue_struct *virtblk_wq;
+static struct workqueue_struct *virtblk_wq;
struct virtio_blk
{
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 5217baf5528c..c70207478e57 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -296,37 +296,6 @@ add_head:
}
/**
- * virtqueue_add_buf - expose buffer to other end
- * @vq: the struct virtqueue we're talking about.
- * @sg: the description of the buffer(s).
- * @out_num: the number of sg readable by other side
- * @in_num: the number of sg which are writable (after readable ones)
- * @data: the token identifying the buffer.
- * @gfp: how to do memory allocations (if necessary).
- *
- * Caller must ensure we don't call this with other virtqueue operations
- * at the same time (except where noted).
- *
- * Returns zero or a negative error (ie. ENOSPC, ENOMEM).
- */
-int virtqueue_add_buf(struct virtqueue *_vq,
- struct scatterlist sg[],
- unsigned int out,
- unsigned int in,
- void *data,
- gfp_t gfp)
-{
- struct scatterlist *sgs[2];
-
- sgs[0] = sg;
- sgs[1] = sg + out;
-
- return virtqueue_add(_vq, sgs, sg_next_arr,
- out, in, out ? 1 : 0, in ? 1 : 0, data, gfp);
-}
-EXPORT_SYMBOL_GPL(virtqueue_add_buf);
-
-/**
* virtqueue_add_sgs - expose buffers to other end
* @vq: the struct virtqueue we're talking about.
* @sgs: array of terminated scatterlists.
@@ -473,7 +442,7 @@ EXPORT_SYMBOL_GPL(virtqueue_notify);
* virtqueue_kick - update after add_buf
* @vq: the struct virtqueue
*
- * After one or more virtqueue_add_buf calls, invoke this to kick
+ * After one or more virtqueue_add_* calls, invoke this to kick
* the other side.
*
* Caller must ensure we don't call this with other virtqueue
@@ -530,7 +499,7 @@ static inline bool more_used(const struct vring_virtqueue *vq)
* operations at the same time (except where noted).
*
* Returns NULL if there are no used buffers, or the "data" token
- * handed to virtqueue_add_buf().
+ * handed to virtqueue_add_*().
*/
void *virtqueue_get_buf(struct virtqueue *_vq, unsigned int *len)
{
@@ -685,7 +654,7 @@ EXPORT_SYMBOL_GPL(virtqueue_enable_cb_delayed);
* virtqueue_detach_unused_buf - detach first unused buffer
* @vq: the struct virtqueue we're talking about.
*
- * Returns NULL or the "data" token handed to virtqueue_add_buf().
+ * Returns NULL or the "data" token handed to virtqueue_add_*().
* This is not valid on an active queue; it is useful only for device
* shutdown.
*/
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 9ff8645b7e0b..e94c75ded111 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -34,13 +34,6 @@ struct virtqueue {
void *priv;
};
-int virtqueue_add_buf(struct virtqueue *vq,
- struct scatterlist sg[],
- unsigned int out_num,
- unsigned int in_num,
- void *data,
- gfp_t gfp);
-
int virtqueue_add_outbuf(struct virtqueue *vq,
struct scatterlist sg[], unsigned int num,
void *data,
diff --git a/include/uapi/linux/virtio_console.h b/include/uapi/linux/virtio_console.h
index c312f16bc4e7..ba260dd0b33a 100644
--- a/include/uapi/linux/virtio_console.h
+++ b/include/uapi/linux/virtio_console.h
@@ -38,6 +38,7 @@
/* Feature bits */
#define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */
#define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */
+#define VIRTIO_CONSOLE_F_EMERG_WRITE 2 /* Does host support emergency write? */
#define VIRTIO_CONSOLE_BAD_ID (~(__u32)0)
@@ -48,6 +49,8 @@ struct virtio_console_config {
__u16 rows;
/* max. number of ports this device can hold */
__u32 max_nr_ports;
+ /* emergency write register */
+ __u32 emerg_wr;
} __attribute__((packed));
/*
diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h
index ea66f3f60d63..e5ec1caab82a 100644
--- a/include/uapi/linux/virtio_pci.h
+++ b/include/uapi/linux/virtio_pci.h
@@ -80,7 +80,9 @@
/* The remaining space is defined by each driver as the per-driver
* configuration space */
-#define VIRTIO_PCI_CONFIG(dev) ((dev)->msix_enabled ? 24 : 20)
+#define VIRTIO_PCI_CONFIG_OFF(msix_enabled) ((msix_enabled) ? 24 : 20)
+/* Deprecated: please use VIRTIO_PCI_CONFIG_OFF instead */
+#define VIRTIO_PCI_CONFIG(dev) VIRTIO_PCI_CONFIG_OFF((dev)->msix_enabled)
/* Virtio ABI version, this must match exactly */
#define VIRTIO_PCI_ABI_VERSION 0
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index a4be8e112bb6..3d155dd27eb6 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -884,7 +884,7 @@ static void check_section(const char *modname, struct elf_info *elf,
#define ALL_EXIT_SECTIONS EXIT_SECTIONS, ALL_XXXEXIT_SECTIONS
#define DATA_SECTIONS ".data$", ".data.rel$"
-#define TEXT_SECTIONS ".text$"
+#define TEXT_SECTIONS ".text$", ".text.unlikely$"
#define INIT_SECTIONS ".init.*"
#define CPU_INIT_SECTIONS ".cpuinit.*"