From: Al Viro Date: Sat, 13 Oct 2007 07:16:04 +0000 (+0100) Subject: minimal build fixes for uml (fallout from x86 merge) X-Git-Tag: v2.6.24-rc1~1370 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b8232ce512105e28453f301d1510de8363bccd1;p=linux-2.6 minimal build fixes for uml (fallout from x86 merge) a) include/asm-um/arch can't just point to include/asm-$(SUBARCH) now b) arch/{i386,x86_64}/crypto are merged now c) subarch-obj needed changes d) cpufeature_64.h should pull "cpufeature_32.h", not since it can be included from asm-um/cpufeature.h e) in case of uml-i386 we need CONFIG_X86_32 for make and gcc, but not for Kconfig f) sysctl.c shouldn't do vdso_enabled for uml-i386 (actually, that one should be registered from corresponding arch/*/kernel/*, with ifdef going away; that's a separate patch, though). With that and with Stephen's patch ("[PATCH net-2.6] uml: hard_header fix") we have uml allmodconfig building both on i386 and amd64. Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- diff --git a/arch/um/Makefile b/arch/um/Makefile index 989224f213..0666729eb9 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -176,9 +176,9 @@ include/asm-um/arch: @echo ' SYMLINK $@' ifneq ($(KBUILD_SRC),) $(Q)mkdir -p $(objtree)/include/asm-um - $(Q)ln -fsn $(srctree)/include/asm-$(SUBARCH) include/asm-um/arch + $(Q)ln -fsn $(srctree)/include/asm-$(HEADER_ARCH) include/asm-um/arch else - $(Q)cd $(TOPDIR)/include/asm-um && ln -sf ../asm-$(SUBARCH) arch + $(Q)cd $(TOPDIR)/include/asm-um && ln -sf ../asm-$(HEADER_ARCH) arch endif $(objtree)/$(ARCH_DIR)/include: @@ -232,4 +232,4 @@ $(ARCH_DIR)/include/kern_constants.h: $(objtree)/$(ARCH_DIR)/include @echo ' SYMLINK $@' $(Q)ln -sf ../../../include/asm-um/asm-offsets.h $@ -export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS +export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386 index c9f1c5b24c..60107ed490 100644 --- a/arch/um/Makefile-i386 +++ b/arch/um/Makefile-i386 @@ -1,4 +1,4 @@ -core-y += arch/um/sys-i386/ arch/i386/crypto/ +core-y += arch/um/sys-i386/ arch/x86/crypto/ TOP_ADDR := $(CONFIG_TOP_ADDR) @@ -12,6 +12,7 @@ LDFLAGS += -m elf_i386 ELF_ARCH := $(SUBARCH) ELF_FORMAT := elf32-$(SUBARCH) OBJCOPYFLAGS := -O binary -R .note -R .comment -S +HEADER_ARCH := x86 ifeq ("$(origin SUBARCH)", "command line") ifneq ("$(shell uname -m | sed -e s/i.86/i386/)", "$(SUBARCH)") @@ -24,6 +25,11 @@ export LDFLAGS HOSTCFLAGS HOSTLDFLAGS UML_OBJCOPYFLAGS endif endif +CFLAGS += -DCONFIG_X86_32 +AFLAGS += -DCONFIG_X86_32 +CONFIG_X86_32 := y +export CONFIG_X86_32 + ARCH_KERNEL_DEFINES += -U__$(SUBARCH)__ -U$(SUBARCH) # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y. diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64 index 69ecea63fd..8a00e5f693 100644 --- a/arch/um/Makefile-x86_64 +++ b/arch/um/Makefile-x86_64 @@ -1,7 +1,7 @@ # Copyright 2003 - 2004 Pathscale, Inc # Released under the GPL -core-y += arch/um/sys-x86_64/ arch/x86_64/crypto/ +core-y += arch/um/sys-x86_64/ arch/x86/crypto/ START := 0x60000000 _extra_flags_ = -fno-builtin -m64 @@ -18,6 +18,7 @@ CPPFLAGS += -m64 ELF_ARCH := i386:x86-64 ELF_FORMAT := elf64-x86-64 +HEADER_ARCH := x86 # Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example. diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules index a9a4b85ca5..bf23dd3e24 100644 --- a/arch/um/scripts/Makefile.rules +++ b/arch/um/scripts/Makefile.rules @@ -28,5 +28,5 @@ endef ifdef subarch-obj-y obj-y += subarch.o -subarch-y = $(addprefix ../../$(SUBARCH)/,$(subarch-obj-y)) +subarch-y = $(addprefix ../../$(HEADER_ARCH)/,$(subarch-obj-y)) endif diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile index d6b3ecd4b7..a4618b6b85 100644 --- a/arch/um/sys-i386/Makefile +++ b/arch/um/sys-i386/Makefile @@ -4,9 +4,9 @@ obj-y = bug.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \ obj-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o -subarch-obj-y = lib/bitops.o lib/semaphore.o lib/string.o -subarch-obj-$(CONFIG_HIGHMEM) += mm/highmem.o -subarch-obj-$(CONFIG_MODULES) += kernel/module.o +subarch-obj-y = lib/bitops_32.o lib/semaphore_32.o lib/string_32.o +subarch-obj-$(CONFIG_HIGHMEM) += mm/highmem_32.o +subarch-obj-$(CONFIG_MODULES) += kernel/module_32.o USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o diff --git a/arch/um/sys-x86_64/Makefile b/arch/um/sys-x86_64/Makefile index 4d9e5efa6f..ea8185d854 100644 --- a/arch/um/sys-x86_64/Makefile +++ b/arch/um/sys-x86_64/Makefile @@ -11,8 +11,8 @@ obj-y = bug.o bugs.o delay.o fault.o ldt.o mem.o ptrace.o ptrace_user.o \ obj-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o obj-$(CONFIG_MODULES) += um_module.o -subarch-obj-y = lib/bitops.o lib/csum-partial.o lib/memcpy.o lib/thunk.o -subarch-obj-$(CONFIG_MODULES) += kernel/module.o +subarch-obj-y = lib/bitops_64.o lib/csum-partial_64.o lib/memcpy_64.o lib/thunk_64.o +subarch-obj-$(CONFIG_MODULES) += kernel/module_64.o ldt-y = ../sys-i386/ldt.o diff --git a/include/asm-x86/cpufeature_64.h b/include/asm-x86/cpufeature_64.h index 2983501e8b..e18496b7b8 100644 --- a/include/asm-x86/cpufeature_64.h +++ b/include/asm-x86/cpufeature_64.h @@ -7,7 +7,7 @@ #ifndef __ASM_X8664_CPUFEATURE_H #define __ASM_X8664_CPUFEATURE_H -#include +#include "cpufeature_32.h" #undef cpu_has_vme #define cpu_has_vme 0 diff --git a/kernel/sysctl.c b/kernel/sysctl.c index c7314f9526..6c97259e86 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -1053,7 +1053,7 @@ static ctl_table vm_table[] = { .strategy = &sysctl_string, }, #endif -#if defined(CONFIG_X86_32) || \ +#if (defined(CONFIG_X86_32) && !defined(CONFIG_UML))|| \ (defined(CONFIG_SUPERH) && defined(CONFIG_VSYSCALL)) { .ctl_name = VM_VDSO_ENABLED,