Module Name: src
Committed By: thorpej
Date: Fri Sep 18 00:07:22 UTC 2020
Modified Files:
src/sys/arch/alpha/include: alpha.h
Log Message:
Rather than having exception_return() at the root of the call graph for
kernel threads, provide a backstop that will prevent them from ever
accidentally trying to return to user space.
To generate a diff of this commit:
cvs rdiff -u -r1.39 -r1.40 src/sys/arch/alpha/include/alpha.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/alpha/include/alpha.h
diff -u src/sys/arch/alpha/include/alpha.h:1.39 src/sys/arch/alpha/include/alpha.h:1.40
--- src/sys/arch/alpha/include/alpha.h:1.39 Thu Sep 3 02:09:09 2020
+++ src/sys/arch/alpha/include/alpha.h Fri Sep 18 00:07:22 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: alpha.h,v 1.39 2020/09/03 02:09:09 thorpej Exp $ */
+/* $NetBSD: alpha.h,v 1.40 2020/09/18 00:07:22 thorpej Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@@ -73,11 +73,11 @@ extern int bootdev_debug;
extern int alpha_fp_sync_complete;
extern int alpha_unaligned_print, alpha_unaligned_fix, alpha_unaligned_sigbus;
-void XentArith(uint64_t, uint64_t, uint64_t); /* MAGIC */
+void XentArith(uint64_t, uint64_t, uint64_t); /* MAGIC */
void XentIF(uint64_t, uint64_t, uint64_t); /* MAGIC */
void XentInt(uint64_t, uint64_t, uint64_t); /* MAGIC */
void XentMM(uint64_t, uint64_t, uint64_t); /* MAGIC */
-void XentRestart(void); /* MAGIC */
+void XentRestart(void); /* MAGIC */
void XentSys(uint64_t, uint64_t, uint64_t); /* MAGIC */
void XentUna(uint64_t, uint64_t, uint64_t); /* MAGIC */
void alpha_init(u_long, u_long, u_long, u_long, u_long);
@@ -86,7 +86,8 @@ int badaddr(void *, size_t);
int badaddr_read(void *, size_t, void *);
uint64_t console_restart(struct trapframe *);
void do_sir(void);
-void exception_return(void); /* MAGIC */
+void exception_return(void); /* MAGIC */
+void alpha_kthread_backstop(void); /* MAGIC */
void frametoreg(const struct trapframe *, struct reg *);
void init_bootstrap_console(void);
void init_prom_interface(unsigned long, struct rpb *);
