From 26add149273eeaedff9eb1aa212992443dbc4484 Mon Sep 17 00:00:00 2001
From: Bruce Evans <bde@FreeBSD.org>
Date: Wed, 29 Jan 1997 13:46:28 +0000
Subject: [PATCH] Disabled logging of masked exceptions on exit.  Keep the side
 effect of saving the state (see rev.1.17).

---
 sys/amd64/amd64/fpu.c | 8 ++++++--
 sys/amd64/isa/npx.c   | 8 ++++++--
 sys/i386/isa/npx.c    | 8 ++++++--
 3 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/sys/amd64/amd64/fpu.c b/sys/amd64/amd64/fpu.c
index 0e73bd5a5fe..fa024ad0222 100644
--- a/sys/amd64/amd64/fpu.c
+++ b/sys/amd64/amd64/fpu.c
@@ -49,7 +49,9 @@
 #include <sys/file.h>
 #include <sys/proc.h>
 #include <sys/ioctl.h>
+#ifdef NPX_DEBUG
 #include <sys/syslog.h>
+#endif
 #include <sys/signalvar.h>
 
 #include <machine/cpu.h>
@@ -411,20 +413,22 @@ npxexit(p)
 
 	if (p == npxproc)
 		npxsave(&curpcb->pcb_savefpu);
+#ifdef NPX_DEBUG
 	if (npx_exists) {
 		u_int	masked_exceptions;
 
 		masked_exceptions = curpcb->pcb_savefpu.sv_env.en_cw
 				    & curpcb->pcb_savefpu.sv_env.en_sw & 0x7f;
 		/*
-		 * Overflow, divde by 0, and invalid operand would have
-		 * caused a trap in 1.1.5.
+		 * Log exceptions that would have trapped with the old
+		 * control word (overflow, divide by 0, and invalid operand).
 		 */
 		if (masked_exceptions & 0x0d)
 			log(LOG_ERR,
 	"pid %d (%s) exited with masked floating point exceptions 0x%02x\n",
 			    p->p_pid, p->p_comm, masked_exceptions);
 	}
+#endif
 }
 
 /*
diff --git a/sys/amd64/isa/npx.c b/sys/amd64/isa/npx.c
index 0e73bd5a5fe..fa024ad0222 100644
--- a/sys/amd64/isa/npx.c
+++ b/sys/amd64/isa/npx.c
@@ -49,7 +49,9 @@
 #include <sys/file.h>
 #include <sys/proc.h>
 #include <sys/ioctl.h>
+#ifdef NPX_DEBUG
 #include <sys/syslog.h>
+#endif
 #include <sys/signalvar.h>
 
 #include <machine/cpu.h>
@@ -411,20 +413,22 @@ npxexit(p)
 
 	if (p == npxproc)
 		npxsave(&curpcb->pcb_savefpu);
+#ifdef NPX_DEBUG
 	if (npx_exists) {
 		u_int	masked_exceptions;
 
 		masked_exceptions = curpcb->pcb_savefpu.sv_env.en_cw
 				    & curpcb->pcb_savefpu.sv_env.en_sw & 0x7f;
 		/*
-		 * Overflow, divde by 0, and invalid operand would have
-		 * caused a trap in 1.1.5.
+		 * Log exceptions that would have trapped with the old
+		 * control word (overflow, divide by 0, and invalid operand).
 		 */
 		if (masked_exceptions & 0x0d)
 			log(LOG_ERR,
 	"pid %d (%s) exited with masked floating point exceptions 0x%02x\n",
 			    p->p_pid, p->p_comm, masked_exceptions);
 	}
+#endif
 }
 
 /*
diff --git a/sys/i386/isa/npx.c b/sys/i386/isa/npx.c
index 0e73bd5a5fe..fa024ad0222 100644
--- a/sys/i386/isa/npx.c
+++ b/sys/i386/isa/npx.c
@@ -49,7 +49,9 @@
 #include <sys/file.h>
 #include <sys/proc.h>
 #include <sys/ioctl.h>
+#ifdef NPX_DEBUG
 #include <sys/syslog.h>
+#endif
 #include <sys/signalvar.h>
 
 #include <machine/cpu.h>
@@ -411,20 +413,22 @@ npxexit(p)
 
 	if (p == npxproc)
 		npxsave(&curpcb->pcb_savefpu);
+#ifdef NPX_DEBUG
 	if (npx_exists) {
 		u_int	masked_exceptions;
 
 		masked_exceptions = curpcb->pcb_savefpu.sv_env.en_cw
 				    & curpcb->pcb_savefpu.sv_env.en_sw & 0x7f;
 		/*
-		 * Overflow, divde by 0, and invalid operand would have
-		 * caused a trap in 1.1.5.
+		 * Log exceptions that would have trapped with the old
+		 * control word (overflow, divide by 0, and invalid operand).
 		 */
 		if (masked_exceptions & 0x0d)
 			log(LOG_ERR,
 	"pid %d (%s) exited with masked floating point exceptions 0x%02x\n",
 			    p->p_pid, p->p_comm, masked_exceptions);
 	}
+#endif
 }
 
 /*