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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-19 19:12:03 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-19 19:12:03 -0800
commit121027a7a64a12e9e5c0289f12473ff11678a812 (patch)
tree741dd57ee06d9607d9126a7ae9014cd087e54d32
parent5abcd76f5d896de014bd8d1486107c483659d40d (diff)
parent63a3f603413ffe82ad775f2d62a5afff87fd94a0 (diff)
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Merge branch 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull two x86 kernel build changes from Ingo Molnar: "The first change modifies how 'make oldconfig' works on cross-bitness situations on x86. It was felt the new behavior of preserving the bitness of the .config is more logical. This is a leftover of the merge. The second change eliminates a Perl warning. (There's another, more complete fix resulting of this warning fix, which second fix in flight to you via the kbuild tree, which will remove the timeconst.pl script altogether.)" * 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timeconst.pl: Eliminate Perl warning x86: Default to ARCH=x86 to avoid overriding CONFIG_64BIT
-rw-r--r--Makefile3
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/Makefile4
-rw-r--r--arch/x86/configs/i386_defconfig1
-rw-r--r--kernel/timeconst.pl6
5 files changed, 10 insertions, 6 deletions
diff --git a/Makefile b/Makefile
index d69266c..6fccf65 100644
--- a/Makefile
+++ b/Makefile
@@ -165,7 +165,8 @@ export srctree objtree VPATH
# then ARCH is assigned, getting whatever value it gets normally, and
# SUBARCH is subsequently ignored.
-SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
+SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
+ -e s/sun4u/sparc64/ \
-e s/arm.*/arm/ -e s/sa110/arm/ \
-e s/s390x/s390/ -e s/parisc64/parisc/ \
-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a9e50ac..5e05ee3 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1,7 +1,7 @@
# Select 32 or 64 bit
config 64BIT
bool "64-bit kernel" if ARCH = "x86"
- default ARCH = "x86_64"
+ default ARCH != "i386"
---help---
Say yes to build a 64-bit kernel - formerly known as x86_64
Say no to build a 32-bit kernel - formerly known as i386
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index e71fc42..5c47726 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -2,7 +2,11 @@
# select defconfig based on actual architecture
ifeq ($(ARCH),x86)
+ ifeq ($(shell uname -m),x86_64)
+ KBUILD_DEFCONFIG := x86_64_defconfig
+ else
KBUILD_DEFCONFIG := i386_defconfig
+ endif
else
KBUILD_DEFCONFIG := $(ARCH)_defconfig
endif
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index 5598547..9444708 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -1,3 +1,4 @@
+# CONFIG_64BIT is not set
CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
diff --git a/kernel/timeconst.pl b/kernel/timeconst.pl
index eb51d76..3f42652 100644
--- a/kernel/timeconst.pl
+++ b/kernel/timeconst.pl
@@ -369,10 +369,8 @@ if ($hz eq '--can') {
die "Usage: $0 HZ\n";
}
- @val = @{$canned_values{$hz}};
- if (!defined(@val)) {
- @val = compute_values($hz);
- }
+ $cv = $canned_values{$hz};
+ @val = defined($cv) ? @$cv : compute_values($hz);
output($hz, @val);
}
exit 0;