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authorRusty Russell <rusty@rustcorp.com.au>2007-07-19 01:49:23 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 10:04:52 -0700
commitd7e28ffe6c74416b54345d6004fd0964c115b12c (patch)
tree844beb4f400d5400098538e0c1e5f12d20a9504a /drivers/lguest/lguest_asm.S
parent07ad157f6e5d228be78acd5cea0291e5d0360398 (diff)
lguest: the host code
This is the code for the "lg.ko" module, which allows lguest guests to be launched. [akpm@linux-foundation.org: update for futex-new-private-futexes] [akpm@linux-foundation.org: build fix] [jmorris@namei.org: lguest: use hrtimers] [akpm@linux-foundation.org: x86_64 build fix] Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Cc: Eric Dumazet <dada1@cosmosbay.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/lguest/lguest_asm.S')
-rw-r--r--drivers/lguest/lguest_asm.S5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/lguest/lguest_asm.S b/drivers/lguest/lguest_asm.S
index 5ac3d20bb18..00046c57b5b 100644
--- a/drivers/lguest/lguest_asm.S
+++ b/drivers/lguest/lguest_asm.S
@@ -10,7 +10,8 @@
* This is where we begin: we have a magic signature which the launcher looks
* for. The plan is that the Linux boot protocol will be extended with a
* "platform type" field which will guide us here from the normal entry point,
- * but for the moment this suffices.
+ * but for the moment this suffices. We pass the virtual address of the boot
+ * info to lguest_init().
*
* We put it in .init.text will be discarded after boot.
*/
@@ -18,6 +19,8 @@
.ascii "GenuineLguest"
/* Set up initial stack. */
movl $(init_thread_union+THREAD_SIZE),%esp
+ movl %esi, %eax
+ addl $__PAGE_OFFSET, %eax
jmp lguest_init
/* The templates for inline patching. */