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authorRusty Russell <rusty@rustcorp.com.au>2009-07-30 16:03:45 -0600
committerRusty Russell <rusty@rustcorp.com.au>2009-07-30 16:03:46 +0930
commita91d74a3c4de8115295ee87350c13a329164aaaf (patch)
tree02c862fccc9abedf7fc354061e69c4b5fbcce06d /drivers/lguest/x86
parent2e04ef76916d1e29a077ea9d0f2003c8fd86724d (diff)
lguest: update commentry
Every so often, after code shuffles, I need to go through and unbitrot the Lguest Journey (see drivers/lguest/README). Since we now use RCU in a simple form in one place I took the opportunity to expand that explanation. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@redhat.com> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'drivers/lguest/x86')
-rw-r--r--drivers/lguest/x86/core.c2
-rw-r--r--drivers/lguest/x86/switcher_32.S6
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
index 96f7d88ec7f..6ae388849a3 100644
--- a/drivers/lguest/x86/core.c
+++ b/drivers/lguest/x86/core.c
@@ -187,7 +187,7 @@ static void run_guest_once(struct lg_cpu *cpu, struct lguest_pages *pages)
* also simplify copy_in_guest_info(). Note that we'd still need to restore
* things when we exit to Launcher userspace, but that's fairly easy.
*
- * We could also try using this hooks for PGE, but that might be too expensive.
+ * We could also try using these hooks for PGE, but that might be too expensive.
*
* The hooks were designed for KVM, but we can also put them to good use.
:*/
diff --git a/drivers/lguest/x86/switcher_32.S b/drivers/lguest/x86/switcher_32.S
index 6dec0979383..40634b0db9f 100644
--- a/drivers/lguest/x86/switcher_32.S
+++ b/drivers/lguest/x86/switcher_32.S
@@ -1,7 +1,7 @@
/*P:900
- * This is the Switcher: code which sits at 0xFFC00000 astride both the
- * Host and Guest to do the low-level Guest<->Host switch. It is as simple as
- * it can be made, but it's naturally very specific to x86.
+ * This is the Switcher: code which sits at 0xFFC00000 (or 0xFFE00000) astride
+ * both the Host and Guest to do the low-level Guest<->Host switch. It is as
+ * simple as it can be made, but it's naturally very specific to x86.
*
* You have now completed Preparation. If this has whet your appetite; if you
* are feeling invigorated and refreshed then the next, more challenging stage