Displaying 2 results from an estimated 2 matches for "lguest_virtio".
2007 Aug 17
1
lguest virtio_descriptor structure on 64bit
...ture is not 64 bit safe. struct lguest_desc desc[NUM_DESCS] can be
smaller than a page, as struct lguest_desc is 24 bytes on 64bit systems. Lets
add a char padding to make the next page really page aligned.
Btw. the new_io_desc.patch does not apply on current git. What base should I
use?
--- lguest_virtio.c.old 2007-08-17 10:15:05.000000000 +0200
+++ lguest_virtio.c 2007-08-17 10:16:00.000000000 +0200
@@ -31,15 +31,16 @@
struct desc_pages
{
/* Page of descriptors. */
struct lguest_desc desc[NUM_DESCS];
+ char pad0[PAGE_SIZE - NUM_DESCS * sizeof(struct lguest_desc)];
/* Next page: how we...
2007 Aug 17
1
lguest virtio_descriptor structure on 64bit
...ture is not 64 bit safe. struct lguest_desc desc[NUM_DESCS] can be
smaller than a page, as struct lguest_desc is 24 bytes on 64bit systems. Lets
add a char padding to make the next page really page aligned.
Btw. the new_io_desc.patch does not apply on current git. What base should I
use?
--- lguest_virtio.c.old 2007-08-17 10:15:05.000000000 +0200
+++ lguest_virtio.c 2007-08-17 10:16:00.000000000 +0200
@@ -31,15 +31,16 @@
struct desc_pages
{
/* Page of descriptors. */
struct lguest_desc desc[NUM_DESCS];
+ char pad0[PAGE_SIZE - NUM_DESCS * sizeof(struct lguest_desc)];
/* Next page: how we...