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Date:      Mon, 28 Feb 2011 17:36:56 GMT
From:      Matt Jacob <mjacob@FreeBSD.org>
To:        Perforce Change Reviews <perforce@freebsd.org>
Subject:   PERFORCE change 189287 for review
Message-ID:  <201102281736.p1SHauVI014367@skunkworks.freebsd.org>

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http://p4web.freebsd.org/@@189287?ac=10

Change 189287 by mjacob@mjacob-sandbox on 2011/02/28 17:36:50

	Remove my local sio_suppressed hack- it gets in the way of
	running a clean 'make universe' and it isn't worth fixing
	for all architecture.

Affected files ...

.. //depot/projects/mjacob-dev/sys/dev/uart/uart_tty.c#4 edit
.. //depot/projects/mjacob-dev/sys/kern/kern_shutdown.c#3 edit
.. //depot/projects/mjacob-dev/sys/kern/subr_kdb.c#4 edit

Differences ...

==== //depot/projects/mjacob-dev/sys/dev/uart/uart_tty.c#4 (text+ko) ====

@@ -40,7 +40,6 @@
 #include <machine/bus.h>
 #include <sys/rman.h>
 #include <sys/tty.h>
-#include <sys/sysctl.h>
 #include <machine/resource.h>
 #include <machine/stdarg.h>
 
@@ -108,15 +107,10 @@
 	uart_term(cp->cn_arg);
 }
 
-int sio_suppressed = 0;
-SYSCTL_INT(_machdep, OID_AUTO, sio_suppressed, CTLFLAG_RW, &sio_suppressed, 0, "");
-
 static void
 uart_cnputc(struct consdev *cp, int c)
 {
-	if (sio_suppressed) {
-		return;
-	}
+
 	uart_putc(cp->cn_arg, c);
 }
 

==== //depot/projects/mjacob-dev/sys/kern/kern_shutdown.c#3 (text+ko) ====

@@ -512,8 +512,6 @@
 	/* NOTREACHED */ /* assuming reset worked */
 }
 
-extern int sio_suppressed;
-
 /*
  * Panic is called on unresolvable fatal errors.  It prints "panic: mesg",
  * and then reboots.  If we are called twice, then we avoid trying to sync
@@ -530,7 +528,6 @@
 	va_list ap;
 	static char buf[256];
 
-	sio_suppressed = 0;
 	critical_enter();
 #ifdef SMP
 	/*

==== //depot/projects/mjacob-dev/sys/kern/subr_kdb.c#4 (text+ko) ====

@@ -271,7 +271,6 @@
 	return (brk);
 }
 
-extern int sio_suppressed;
 /*
  * Print a backtrace of the calling thread. The backtrace is generated by
  * the selected debugger, provided it supports backtraces. If no debugger
@@ -282,8 +281,6 @@
 void
 kdb_backtrace(void)
 {
-	int osup = sio_suppressed;
-	sio_suppressed = 0;
 
 	if (kdb_dbbe != NULL && kdb_dbbe->dbbe_trace != NULL) {
 		printf("KDB: stack backtrace:\n");
@@ -298,7 +295,6 @@
 		stack_print_ddb(&st);
 	}
 #endif
-	sio_suppressed = osup;
 }
 
 /*
@@ -331,8 +327,6 @@
 void
 kdb_enter(const char *why, const char *msg)
 {
-	int osup = sio_suppressed;
-	sio_suppressed = 0;
 
 	if (kdb_dbbe != NULL && kdb_active == 0) {
 		if (msg != NULL)
@@ -341,7 +335,6 @@
 		breakpoint();
 		kdb_why = KDB_WHY_UNSET;
 	}
-	sio_suppressed = osup;
 }
 
 /*
@@ -510,8 +503,6 @@
 	int did_stop_cpus;
 #endif
 	int handled;
-	int osup = sio_suppressed;
-	sio_suppressed = 0;
 
 	be = kdb_dbbe;
 	if (be == NULL || be->dbbe_trap == NULL)
@@ -557,6 +548,5 @@
 
 	intr_restore(intr);
 
-	sio_suppressed = osup;
 	return (handled);
 }



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