From a702c889d5ba36bc8af16e146db2f994855a68e8 Mon Sep 17 00:00:00 2001
From: gkoehler <gkoehler@cvs.openbsd.org>
Date: Tue, 1 Sep 2020 20:06:50 +0000
Subject: Fix signotify() for powerpc64 bsd.mp

Copy signotify() from amd64, so that if proc *p is on another cpu, then
signotify(p) notifies the correct cpu.

ok kettenis@
---
 sys/arch/powerpc64/include/cpu.h       |  7 +++----
 sys/arch/powerpc64/powerpc64/machdep.c | 13 ++++++++++++-
 2 files changed, 15 insertions(+), 5 deletions(-)

(limited to 'sys/arch/powerpc64')

diff --git a/sys/arch/powerpc64/include/cpu.h b/sys/arch/powerpc64/include/cpu.h
index 2c716378f66..2fbf638ba3f 100644
--- a/sys/arch/powerpc64/include/cpu.h
+++ b/sys/arch/powerpc64/include/cpu.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cpu.h,v 1.24 2020/08/23 10:07:51 kettenis Exp $	*/
+/*	$OpenBSD: cpu.h,v 1.25 2020/09/01 20:06:49 gkoehler Exp $	*/
 
 /*
  * Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org>
@@ -154,9 +154,10 @@ void	cpu_startclock(void);
 #define aston(p)		((p)->p_md.md_astpending = 1)
 #define need_proftick(p)	aston(p)
 
+void signotify(struct proc *);
+
 #define cpu_unidle(ci)
 #define CPU_BUSY_CYCLE()	do {} while (0)
-#define signotify(p)		setsoftast()
 
 #define curpcb			curcpu()->ci_curpcb
 
@@ -184,8 +185,6 @@ void need_resched(struct cpu_info *);
 void delay(u_int);
 #define DELAY(x)	delay(x)
 
-#define setsoftast()		aston(curcpu()->ci_curproc)
-
 #define PROC_STACK(p)		((p)->p_md.md_regs->fixreg[1])
 #define PROC_PC(p)		((p)->p_md.md_regs->srr0)
 
diff --git a/sys/arch/powerpc64/powerpc64/machdep.c b/sys/arch/powerpc64/powerpc64/machdep.c
index 58f894c7a0d..c4635cb6a9e 100644
--- a/sys/arch/powerpc64/powerpc64/machdep.c
+++ b/sys/arch/powerpc64/powerpc64/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.58 2020/08/25 17:49:58 kettenis Exp $	*/
+/*	$OpenBSD: machdep.c,v 1.59 2020/09/01 20:06:49 gkoehler Exp $	*/
 
 /*
  * Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org>
@@ -874,6 +874,17 @@ sys_sigreturn(struct proc *p, void *v, register_t *retval)
 	return EJUSTRETURN;
 }
 
+/*
+ * Notify the current process (p) that it has a signal pending,
+ * process as soon as possible.
+ */
+void
+signotify(struct proc *p)
+{
+	aston(p);
+	cpu_kick(p->p_cpu);
+}
+
 void	cpu_switchto_asm(struct proc *, struct proc *);
 
 void
-- 
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