Better docs for boot-up code

From: Pavel Machek (pavel@ucw.cz)
Date: Wed Apr 23 2003 - 08:49:40 EST

Hi!

This adds some nice docs for boot-up code. Please apply,

                                                        Pavel
Index: linux/arch/i386/boot/setup.S
===================================================================
--- linux.orig/arch/i386/boot/setup.S 2003-04-22 00:04:32.000000000 +0200
+++ linux/arch/i386/boot/setup.S 2003-04-21 22:40:53.000000000 +0200
@@ -893,6 +893,9 @@
         movw %cs, %si
         subw $DELTA_INITSEG, %si
         shll $4, %esi # Convert to 32-bit pointer
+
+# jump to startup_32 in arch/i386/kernel/head.S
+#
 # NOTE: For high loaded big kernels we need a
 # jmpi 0x100000,__BOOT_CS
 #
Index: linux/arch/i386/kernel/trampoline.S
===================================================================
--- linux.orig/arch/i386/kernel/trampoline.S 2003-04-22 00:04:32.000000000 +0200
+++ linux/arch/i386/kernel/trampoline.S 2003-03-30 20:01:55.000000000 +0200
@@ -4,6 +4,8 @@
  *
  * 4 Jan 1997 Michael Chastain: changed to gnu as.
  *
+ * This is only used for booting secondary CPUs in SMP machine
+ *
  * Entry: CS:IP point to the start of our code, we are
  * in real mode with no stack, but the rest of the
  * trampoline page to make our stack and everything else 

-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
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