Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 2 Mar 2004 11:30:22 -0800 (PST)
From:      Peter Wemm <peter@FreeBSD.org>
To:        Perforce Change Reviews <perforce@freebsd.org>
Subject:   PERFORCE change 48004 for review
Message-ID:  <200403021930.i22JUMid098668@repoman.freebsd.org>

next in thread | raw e-mail | index | archive | help
http://perforce.freebsd.org/chv.cgi?CH=48004

Change 48004 by peter@peter_daintree on 2004/03/02 11:29:20

	IFi386: stuck ipi detection

Affected files ...

.. //depot/projects/hammer/sys/amd64/amd64/local_apic.c#33 integrate

Differences ...

==== //depot/projects/hammer/sys/amd64/amd64/local_apic.c#33 (text+ko) ====

@@ -696,8 +696,8 @@
 	intr_restore(eflags);
 }
 
+#define	BEFORE_SPIN	1000000
 #ifdef DETECT_DEADLOCK
-#define	BEFORE_SPIN	1000000
 #define	AFTER_SPIN	1000
 #endif
 
@@ -728,11 +728,9 @@
 		destfield = dest;
 	}
 
-#ifdef DETECT_DEADLOCK
-	/* Check for an earlier stuck IPI. */
+	/* Wait for an earlier IPI to finish. */
 	if (!lapic_ipi_wait(BEFORE_SPIN))
 		panic("APIC: Previous IPI is stuck");
-#endif
 
 	lapic_ipi_raw(icrlo, destfield);
 



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200403021930.i22JUMid098668>