You triggered my trivia twitch.
Jason Davis <jason@xxxxxxxxxxxxxx> wrote:
- * ES7000 has no legacy identity mappings
+ * Older generations of ES7000 have no legacy identity mappings
*/
- if (es7000_plat)
+ if (es7000_plat && es7000_plat < 2) return;
Why not
if (es7000_plat == 1)
?
/* diff -Naurp linux-2.6.11.3/arch/i386/mach-es7000/es7000plat.c linux-2.6.11.3-legacy/arch/i386/mach-es7000/es7000plat.c
--- linux-2.6.11.3/arch/i386/mach-es7000/es7000plat.c 2005-03-13 01:44:41.000000000 -0500
+++ linux-2.6.11.3-legacy/arch/i386/mach-es7000/es7000plat.c 2005-03-14 11:52:44.000000000 -0500
@@ -138,7 +138,14 @@ parse_unisys_oem (char *oemptr, int oem_
es7000_plat = 0;
} else {
printk("\nEnabling ES7000 specific features...\n");
- es7000_plat = 1;
+ /*
+ * Check to see if this is a x86_64 ES7000 machine.
+ */
+ if (!(boot_cpu_data.x86 <= 15 && boot_cpu_data.x86_model <= 2))
+ es7000_plat = 2;
+ else
+ es7000_plat = 1;
+
Perhaps some nice enumerated identifiers here, rather than magic numbers?