PERFORCE change 78848 for review

[Peter Wemm]

http://perforce.freebsd.org/chv.cgi?CH=78848

Change 78848 by peter at peter_daintree on 2005/06/23 06:48:04

	Cosmetic and doc bugs

Affected files ...

.. //depot/projects/hammer/sys/amd64/amd64/intr_machdep.c#37 edit
.. //depot/projects/hammer/sys/amd64/amd64/local_apic.c#52 edit
.. //depot/projects/hammer/sys/amd64/amd64/machdep.c#128 edit
.. //depot/projects/hammer/sys/amd64/amd64/support.S#29 edit

Differences ...

==== //depot/projects/hammer/sys/amd64/amd64/intr_machdep.c#37 (text+ko) ====

@@ -30,7 +30,7 @@
  */
 
 /*
- * Machine dependent interrupt code for i386.  For the i386, we have to
+ * Machine dependent interrupt code for amd64.  For amd64, we have to
  * deal with different PICs.  Thus, we use the passed in vector to lookup
  * an interrupt source associated with that vector.  The interrupt source
  * describes which PIC the source belongs to and includes methods to handle

==== //depot/projects/hammer/sys/amd64/amd64/local_apic.c#52 (text+ko) ====

@@ -839,7 +839,7 @@
 #ifdef SMP
 /*
  * Inter Processor Interrupt functions.  The lapic_ipi_*() functions are
- * private to the sys/i386 code.  The public interface for the rest of the
+ * private to the sys/amd64 code.  The public interface for the rest of the
  * kernel is defined in mp_machdep.c.
  */
 int

==== //depot/projects/hammer/sys/amd64/amd64/machdep.c#128 (text+ko) ====

@@ -661,7 +661,7 @@
 	CTLFLAG_RW, &wall_cmos_clock, 0, "");
 
 /*
- * Initialize 386 and configure to run kernel
+ * Initialize amd64 and configure to run kernel
  */
 
 /*

==== //depot/projects/hammer/sys/amd64/amd64/support.S#29 (text+ko) ====

@@ -202,13 +202,7 @@
 /*****************************************************************************/
 /*
  * Access user memory from inside the kernel. These routines and possibly
- * the math- and DOS emulators should be the only places that do this.
- *
- * We have to access the memory with user's permissions, so use a segment
- * selector with RPL 3. For writes to user space we have to additionally
- * check the PTE for write permission, because the 386 does not check
- * write permissions when we are executing with EPL 0. The 486 does check
- * this if the WP bit is set in CR0, so we can use a simpler version here.
+ * should be the only places that do this.
  *
  * These routines set curpcb->onfault for the time they execute. When a
  * protection violation occurs inside the functions, the trap handler
@@ -592,7 +586,7 @@
 	ret
 
 /*
- * Handling of special 386 registers and descriptor tables etc
+ * Handling of special amd64 registers and descriptor tables etc
  * %rdi
  */
 /* void lgdt(struct region_descriptor *rdp); */