[PATCH 6/8] UML - Add checkstack support

From: Jeff Dike
Date: Mon Sep 25 2006 - 14:38:47 EST

Make checkstack work for UML. We need to pass the underlying architecture
name, rather than "um" to checkstack.pl.

Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxx>

Index: linux-2.6.18-mm/Makefile
--- linux-2.6.18-mm.orig/Makefile 2006-09-22 11:34:57.000000000 -0400
+++ linux-2.6.18-mm/Makefile 2006-09-22 11:35:38.000000000 -0400
@@ -1333,9 +1333,13 @@ endif #ifeq ($(config-targets),1)
endif #ifeq ($(mixed-targets),1)

PHONY += checkstack kernelrelease kernelversion
+# Use $(SUBARCH) here instead of $(ARCH) so that this works for UML.
+# In the UML case, $(SUBARCH) is the name of the underlying
+# architecture, while for all other arches, it is the same as $(ARCH).
$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
- $(PERL) $(src)/scripts/checkstack.pl $(ARCH)
+ $(PERL) $(src)/scripts/checkstack.pl $(SUBARCH)

$(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \

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