silas, do you really get a PROC_KSTACK_OFFSET of 48?

my compiler seems to generate 40. are you using clang?

silas, do you really get a PROC_KSTACK_OFFSET of 48?
0b5352c5 · Nickolai Zeldovich · 95fc055b · 0b5352c5
--- a/include/mmu.h
+++ b/include/mmu.h
@@ -130,5 +130,5 @@ struct taskstate
 	(u32) ((u64)(rip)>>32), 0, \
 }

-#define PROC_KSTACK_OFFSET 48
+#define PROC_KSTACK_OFFSET 40
 #define TRAPFRAME_SIZE     192