um: drivers: Add virtio vhost-user driver

This module allows virtio devices to be used over a vhost-user socket.

Signed-off-by: Erel Geron <erelx.geron@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

4 files changed, 5 insertions, 0 deletions

diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c
index 232b22307fdd..bdb90583f186 100644
--- a/arch/um/kernel/ksyms.c
+++ b/arch/um/kernel/ksyms.c
@@ -38,6 +38,8 @@ EXPORT_SYMBOL(run_helper);
 EXPORT_SYMBOL(os_major);
 EXPORT_SYMBOL(os_minor);
 EXPORT_SYMBOL(os_makedev);
+EXPORT_SYMBOL(os_eventfd);
+EXPORT_SYMBOL(os_sendmsg_fds);
 
 EXPORT_SYMBOL(add_sigio_fd);
 EXPORT_SYMBOL(ignore_sigio_fd);
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index de58e976b9bc..f256be1d77bd 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -31,6 +31,7 @@ pgd_t swapper_pg_dir[PTRS_PER_PGD];
 
 /* Initialized at boot time, and readonly after that */
 unsigned long long highmem;
+EXPORT_SYMBOL(highmem);
 int kmalloc_ok = 0;
 
 /* Used during early boot */
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c
index 5bf56af4d5b9..870c80c88a97 100644
--- a/arch/um/kernel/physmem.c
+++ b/arch/um/kernel/physmem.c
@@ -143,6 +143,7 @@ int phys_mapping(unsigned long phys, unsigned long long *offset_out)
 
         return fd;
 }
+EXPORT_SYMBOL(phys_mapping);
 
 static int __init uml_mem_setup(char *line, int *add)
 {
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index a818ccef30ca..9de212bf4320 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -113,6 +113,7 @@ static int have_root __initdata = 0;
 
 /* Set in uml_mem_setup and modified in linux_main */
 long long physmem_size = 32 * 1024 * 1024;
+EXPORT_SYMBOL(physmem_size);
 
 static const char *usage_string =
 "User Mode Linux v%s\n"