Menuconfig has butterfly effects?

From: Rob Landley
Date: Tue Feb 27 2007 - 18:13:19 EST


I ran "make ARCH=x86_64 menuconfig", did a lot of editing, and saved
the .config. Then I copied that to a backup, ran "make oldconfig" on the
config I'd just saved, and compared it with the backup:

--- .config 2007-02-27 18:10:01.000000000 -0500
+++ tryit 2007-02-27 18:09:09.000000000 -0500
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.20
-# Tue Feb 27 18:10:01 2007
+# Tue Feb 27 18:08:41 2007
#
CONFIG_X86_64=y
CONFIG_64BIT=y
@@ -120,6 +120,9 @@
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT is not set
CONFIG_ARCH_FLATMEM_ENABLE=y
+# CONFIG_FLATMEM_MANUAL is not set
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
# CONFIG_SPARSEMEM_STATIC is not set

The first hunk I expect, the second I did not. Anybody care to venture a
guess why the visibility logic is unstable?

Rob
--
"Perfection is reached, not when there is no longer anything to add, but
when there is no longer anything to take away." - Antoine de Saint-Exupery
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/