lguest: documentation VII: FIXMEs

Documentation: The FIXMEs

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/lguest/segments.c b/drivers/lguest/segments.c
index 4d4e5a4586f..f675a41a80d 100644
--- a/drivers/lguest/segments.c
+++ b/drivers/lguest/segments.c
@@ -94,6 +94,10 @@ static void check_segment_use(struct lguest *lg, unsigned int desc)
             || lg->regs->ss / 8 == desc)
                 kill_guest(lg, "Removed live GDT entry %u", desc);
 }
+/*:*/
+/*M:009 We wouldn't need to check for removal of in-use segments if we handled
+ * faults in the Switcher.  However, it's probably not a worthwhile
+ * optimization. :*/
 
 /*H:610 Once the GDT has been changed, we look through the changed entries and
  * see if they're OK.  If not, we'll call kill_guest() and the Guest will never