Re: Simple patches for Linux as a guest OS in a plex86 VM (please consider)

From: Kai Germaschewski (
Date: Thu Jan 23 2003 - 00:50:16 EST

On Wed, 22 Jan 2003, Kevin Lawton wrote:

Three minor points:

o If you included the patch inline instead of as application/octet-stream,
  it'd be easier to reply ;)

> +Nothing, it's Open Source. Linux is obviously a GPL'd program.
> +Plex86 is an LGPL'd kernel module. Though it's a separate
> +

o Something's missing there?

diff -urN linux-2.5.59/Makefile linux-2.5.59-hal/Makefile
--- linux-2.5.59/Makefile Wed Jan 22 12:25:58 2003
+++ linux-2.5.59-hal/Makefile Wed Jan 22 22:36:00 2003
@@ -264,6 +264,18 @@
 CFLAGS += -fomit-frame-pointer
+ifdef CONFIG_X86_HAL
+# On x86, if compiling for the Hardware Abstraction Layer
+# (running Linux as a guest OS in a Virtual Machine),
+# we need to insert some asm macros which redefine
+# the behaviour of instructions which modify the
+# interrupt flag. You are probably not configuring for
+# this mode. For more info, read 'Documentation/x86-hal.txt'.
+# This needs to be the first include any module sees.
+CFLAGS += -include include/asm/if.h
+AFLAGS += -include include/asm/if.h
 # INSTALL_PATH specifies where to place the updated kernel and system map
 # images. Uncomment if you want to place them anywhere other than root.
@@ -409,6 +421,10 @@
 # their file += -P -C -U$(ARCH)
 arch/$(ARCH)/ %.s: %.S scripts FORCE
         $(call if_changed_dep,as_s_S)

o These modifications should be done from arch/i386/Makefile instead,
  since they're obviously i386-specific.

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This archive was generated by hypermail 2b29 : Thu Jan 23 2003 - 22:00:31 EST