Building vhost on 32-bit targets results in the following error. drivers/vhost/vhost.c: In function 'translate_desc': include/linux/compiler.h:549:38: error: call to '__compiletime_assert_1879' declared with attribute error: BUILD_BUG_ON failed: sizeof(_s) > sizeof(long) Fixes: a89db445fbd7 ("vhost: block speculation of translated descriptors") Cc: Michael S. Tsirkin <mst@xxxxxxxxxx> Cc: Jason Wang <jasowang@xxxxxxxxxx> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- drivers/vhost/vhost.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index acabf20b069e..102a0c877007 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -2074,7 +2074,7 @@ static int translate_desc(struct vhost_virtqueue *vq, u64 addr, u32 len, _iov->iov_base = (void __user *) ((unsigned long)node->userspace_addr + array_index_nospec((unsigned long)(addr - node->start), - node->size)); + (unsigned long)node->size)); s += size; addr += size; ++ret; -- 2.7.4