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8c6531f7a9
For a kernel built with "make ARCH=x86" the following system
information is displayed when running the new kernel
$ uname -m
x86
On some i386 systems (e.g. K7) we even have the following information
$ uname -m
x66
This is weird. The usual information for "uname -m" should be "x86_64"
on 64-bit and "i386" or "i686" on 32-bit.
This patch fixes the issue by setting UTS_MACHINE to "i386" for 32-bit
kernel builds and to "x86_64" for 64-bit kernel builds. I.e., "x86"
won't be used for UTS_MACHINE anymore.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andreas Herrmann <aherrman@arcor.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
20 lines
465 B
Makefile
20 lines
465 B
Makefile
# Unified Makefile for i386 and x86_64
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# select defconfig based on actual architecture
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ifeq ($(ARCH),x86)
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KBUILD_DEFCONFIG := i386_defconfig
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else
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KBUILD_DEFCONFIG := $(ARCH)_defconfig
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endif
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# No need to remake these files
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$(srctree)/arch/x86/Makefile%: ;
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ifeq ($(CONFIG_X86_32),y)
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UTS_MACHINE := i386
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include $(srctree)/arch/x86/Makefile_32
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else
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UTS_MACHINE := x86_64
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include $(srctree)/arch/x86/Makefile_64
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endif
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