Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild

* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: (79 commits)
  Remove references to "make dep"
  kconfig: document use of HAVE_*
  Introduce new section reference annotations tags: __ref, __refdata, __refconst
  kbuild: warn about ld added unique sections
  kbuild: add verbose option to Section mismatch reporting in modpost
  kconfig: tristate choices with mixed tristate and boolean values
  asm-generic/vmlix.lds.h: simplify __mem{init,exit}* dependencies
  remove __attribute_used__
  kbuild: support ARCH=x86 in buildtar
  kconfig: remove "enable"
  kbuild: simplified warning report in modpost
  kbuild: introduce a few helpers in modpost
  kbuild: use simpler section mismatch warnings in modpost
  kbuild: link vmlinux.o before kallsyms passes
  kbuild: introduce new option to enhance section mismatch analysis
  Use separate sections for __dev/__cpu/__mem code/data
  compiler.h: introduce __section()
  all archs: consolidate init and exit sections in vmlinux.lds.h
  kbuild: check section names consistently in modpost
  kbuild: introduce blacklisting in modpost
  ...

9 files changed, 89 insertions, 73 deletions

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index bd694f779346..ad99ce9f9169 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -34,7 +34,6 @@ header-y += atmsap.h
 header-y += atmsvc.h
 header-y += atm_zatm.h
 header-y += auto_fs4.h
-header-y += auxvec.h
 header-y += ax25.h
 header-y += b1lli.h
 header-y += baycom.h
@@ -73,7 +72,7 @@ header-y += gen_stats.h
 header-y += gigaset_dev.h
 header-y += hdsmart.h
 header-y += hysdn_if.h
-header-y += i2c-dev.h
+header-y += i2o-dev.h
 header-y += i8k.h
 header-y += if_arcnet.h
 header-y += if_bonding.h
@@ -158,7 +157,6 @@ header-y += veth.h
 header-y += video_decoder.h
 header-y += video_encoder.h
 header-y += videotext.h
-header-y += vt.h
 header-y += x25.h
 
 unifdef-y += acct.h
@@ -173,6 +171,7 @@ unifdef-y += atm.h
 unifdef-y += atm_tcp.h
 unifdef-y += audit.h
 unifdef-y += auto_fs.h
+unifdef-y += auxvec.h
 unifdef-y += binfmts.h
 unifdef-y += capability.h
 unifdef-y += capi.h
@@ -214,7 +213,7 @@ unifdef-y += hdreg.h
 unifdef-y += hiddev.h
 unifdef-y += hpet.h
 unifdef-y += i2c.h
-unifdef-y += i2o-dev.h
+unifdef-y += i2c-dev.h
 unifdef-y += icmp.h
 unifdef-y += icmpv6.h
 unifdef-y += if_addr.h
@@ -349,6 +348,7 @@ unifdef-y += videodev.h
 unifdef-y += virtio_config.h
 unifdef-y += virtio_blk.h
 unifdef-y += virtio_net.h
+unifdef-y += vt.h
 unifdef-y += wait.h
 unifdef-y += wanrouter.h
 unifdef-y += watchdog.h
diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h
index 2d8c0f48f55e..e5eb795f78a1 100644
--- a/include/linux/compiler-gcc3.h
+++ b/include/linux/compiler-gcc3.h
@@ -7,10 +7,8 @@
 
 #if __GNUC_MINOR__ >= 3
 # define __used                 __attribute__((__used__))
-# define __attribute_used__     __used                          /* deprecated */
 #else
 # define __used                 __attribute__((__unused__))
-# define __attribute_used__     __used                          /* deprecated */
 #endif
 
 #if __GNUC_MINOR__ >= 4
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index ee7ca5de970c..0ab3a3232330 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -15,7 +15,6 @@
 #endif
 
 #define __used                  __attribute__((__used__))
-#define __attribute_used__      __used                  /* deprecated */
 #define __must_check            __attribute__((warn_unused_result))
 #define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
 #define __always_inline         inline __attribute__((always_inline))
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index c68b67b86ef1..d0e17e1657dc 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -126,10 +126,6 @@ extern void __chk_io_ptr(const volatile void __iomem *);
  * Mark functions that are referenced only in inline assembly as __used so
  * the code is emitted even though it appears to be unreferenced.
  */
-#ifndef __attribute_used__
-# define __attribute_used__     /* deprecated */
-#endif
-
 #ifndef __used
 # define __used                 /* unimplemented */
 #endif
@@ -175,4 +171,9 @@ extern void __chk_io_ptr(const volatile void __iomem *);
 #define __cold
 #endif
 
+/* Simple shorthand for a section definition */
+#ifndef __section
+# define __section(S) __attribute__ ((__section__(#S)))
+#endif
+
 #endif /* __LINUX_COMPILER_H */
diff --git a/include/linux/elfnote.h b/include/linux/elfnote.h
index e831759b2fb5..278e3ef05336 100644
--- a/include/linux/elfnote.h
+++ b/include/linux/elfnote.h
@@ -76,7 +76,7 @@
                 typeof(desc) _desc                                      \
                              __attribute__((aligned(sizeof(Elf##size##_Word)))); \
         } _ELFNOTE_PASTE(_note_, unique)                                \
-                __attribute_used__                                      \
+                __used                                                  \
                 __attribute__((section(".note." name),                  \
                                aligned(sizeof(Elf##size##_Word)),       \
                                unused)) = {                             \
diff --git a/include/linux/init.h b/include/linux/init.h
index 5141381a7527..2efbda016741 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -40,10 +40,10 @@
 
 /* These are for everybody (although not all archs will actually
    discard it in modules) */
-#define __init          __attribute__ ((__section__ (".init.text"))) __cold
-#define __initdata      __attribute__ ((__section__ (".init.data")))
-#define __exitdata      __attribute__ ((__section__(".exit.data")))
-#define __exit_call     __attribute_used__ __attribute__ ((__section__ (".exitcall.exit")))
+#define __init          __section(.init.text) __cold
+#define __initdata      __section(.init.data)
+#define __exitdata      __section(.exit.data)
+#define __exit_call     __used __section(.exitcall.exit)
 
 /* modpost check for section mismatches during the kernel build.
  * A section mismatch happens when there are references from a
@@ -52,25 +52,81 @@
  * when early init has completed so all such references are potential bugs.
  * For exit sections the same issue exists.
  * The following markers are used for the cases where the reference to
- * the init/exit section (code or data) is valid and will teach modpost
- * not to issue a warning.
+ * the *init / *exit section (code or data) is valid and will teach
+ * modpost not to issue a warning.
  * The markers follow same syntax rules as __init / __initdata. */
-#define __init_refok     noinline __attribute__ ((__section__ (".text.init.refok")))
-#define __initdata_refok          __attribute__ ((__section__ (".data.init.refok")))
-#define __exit_refok     noinline __attribute__ ((__section__ (".exit.text.refok")))
+#define __ref            __section(.ref.text) noinline
+#define __refdata        __section(.ref.data)
+#define __refconst       __section(.ref.rodata)
+
+/* backward compatibility note
+ *  A few places hardcode the old section names:
+ *  .text.init.refok
+ *  .data.init.refok
+ *  .exit.text.refok
+ *  They should be converted to use the defines from this file
+ */
+
+/* compatibility defines */
+#define __init_refok     __ref
+#define __initdata_refok __refdata
+#define __exit_refok     __ref
+
 
 #ifdef MODULE
-#define __exit          __attribute__ ((__section__(".exit.text"))) __cold
+#define __exitused
 #else
-#define __exit          __attribute_used__ __attribute__ ((__section__(".exit.text"))) __cold
+#define __exitused  __used
 #endif
 
+#define __exit          __section(.exit.text) __exitused __cold
+
+/* Used for HOTPLUG */
+#define __devinit        __section(.devinit.text) __cold
+#define __devinitdata    __section(.devinit.data)
+#define __devinitconst   __section(.devinit.rodata)
+#define __devexit        __section(.devexit.text) __exitused __cold
+#define __devexitdata    __section(.devexit.data)
+#define __devexitconst   __section(.devexit.rodata)
+
+/* Used for HOTPLUG_CPU */
+#define __cpuinit        __section(.cpuinit.text) __cold
+#define __cpuinitdata    __section(.cpuinit.data)
+#define __cpuinitconst   __section(.cpuinit.rodata)
+#define __cpuexit        __section(.cpuexit.text) __exitused __cold
+#define __cpuexitdata    __section(.cpuexit.data)
+#define __cpuexitconst   __section(.cpuexit.rodata)
+
+/* Used for MEMORY_HOTPLUG */
+#define __meminit        __section(.meminit.text) __cold
+#define __meminitdata    __section(.meminit.data)
+#define __meminitconst   __section(.meminit.rodata)
+#define __memexit        __section(.memexit.text) __exitused __cold
+#define __memexitdata    __section(.memexit.data)
+#define __memexitconst   __section(.memexit.rodata)
+
 /* For assembly routines */
 #define __INIT          .section        ".init.text","ax"
-#define __INIT_REFOK    .section        ".text.init.refok","ax"
 #define __FINIT         .previous
+
 #define __INITDATA      .section        ".init.data","aw"
-#define __INITDATA_REFOK .section       ".data.init.refok","aw"
+
+#define __DEVINIT        .section       ".devinit.text", "ax"
+#define __DEVINITDATA    .section       ".devinit.data", "aw"
+
+#define __CPUINIT        .section       ".cpuinit.text", "ax"
+#define __CPUINITDATA    .section       ".cpuinit.data", "aw"
+
+#define __MEMINIT        .section       ".meminit.text", "ax"
+#define __MEMINITDATA    .section       ".meminit.data", "aw"
+
+/* silence warnings when references are OK */
+#define __REF            .section       ".ref.text", "ax"
+#define __REFDATA        .section       ".ref.data", "aw"
+#define __REFCONST       .section       ".ref.rodata", "aw"
+/* backward compatibility */
+#define __INIT_REFOK     .section       __REF
+#define __INITDATA_REFOK .section       __REFDATA
 
 #ifndef __ASSEMBLY__
 /*
@@ -108,7 +164,7 @@ void prepare_namespace(void);
  */
 
 #define __define_initcall(level,fn,id) \
-        static initcall_t __initcall_##fn##id __attribute_used__ \
+        static initcall_t __initcall_##fn##id __used \
         __attribute__((__section__(".initcall" level ".init"))) = fn
 
 /*
@@ -142,11 +198,11 @@ void prepare_namespace(void);
 
 #define console_initcall(fn) \
         static initcall_t __initcall_##fn \
-        __attribute_used__ __attribute__((__section__(".con_initcall.init")))=fn
+        __used __section(.con_initcall.init) = fn
 
 #define security_initcall(fn) \
         static initcall_t __initcall_##fn \
-        __attribute_used__ __attribute__((__section__(".security_initcall.init"))) = fn
+        __used __section(.security_initcall.init) = fn
 
 struct obs_kernel_param {
         const char *str;
@@ -163,8 +219,7 @@ struct obs_kernel_param {
 #define __setup_param(str, unique_id, fn, early)                        \
         static char __setup_str_##unique_id[] __initdata __aligned(1) = str; \
         static struct obs_kernel_param __setup_##unique_id      \
-                __attribute_used__                              \
-                __attribute__((__section__(".init.setup")))     \
+                __used __section(.init.setup)                   \
                 __attribute__((aligned((sizeof(long)))))        \
                 = { __setup_str_##unique_id, fn, early }
 
@@ -242,7 +297,7 @@ void __init parse_early_param(void);
 #endif
 
 /* Data marked not to be saved by software suspend */
-#define __nosavedata __attribute__ ((__section__ (".data.nosave")))
+#define __nosavedata __section(.data.nosave)
 
 /* This means "can be init if no module support, otherwise module load
    may call it." */
@@ -254,43 +309,6 @@ void __init parse_early_param(void);
 #define __initdata_or_module __initdata
 #endif /*CONFIG_MODULES*/
 
-#ifdef CONFIG_HOTPLUG
-#define __devinit
-#define __devinitdata
-#define __devexit
-#define __devexitdata
-#else
-#define __devinit __init
-#define __devinitdata __initdata
-#define __devexit __exit
-#define __devexitdata __exitdata
-#endif
-
-#ifdef CONFIG_HOTPLUG_CPU
-#define __cpuinit
-#define __cpuinitdata
-#define __cpuexit
-#define __cpuexitdata
-#else
-#define __cpuinit       __init
-#define __cpuinitdata __initdata
-#define __cpuexit __exit
-#define __cpuexitdata   __exitdata
-#endif
-
-#if defined(CONFIG_MEMORY_HOTPLUG) || defined(CONFIG_ACPI_HOTPLUG_MEMORY) \
-        || defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)
-#define __meminit
-#define __meminitdata
-#define __memexit
-#define __memexitdata
-#else
-#define __meminit       __init
-#define __meminitdata __initdata
-#define __memexit __exit
-#define __memexitdata   __exitdata
-#endif
-
 /* Functions marked as __devexit may be discarded at kernel link time, depending
    on config options.  Newer versions of binutils detect references from
    retained sections to discarded sections and flag an error.  Pointers to
diff --git a/include/linux/module.h b/include/linux/module.h
index aedc06be1de8..ac481e2094fd 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -178,7 +178,7 @@ void *__symbol_get_gpl(const char *symbol);
 #define __CRC_SYMBOL(sym, sec)                                  \
         extern void *__crc_##sym __attribute__((weak));         \
         static const unsigned long __kcrctab_##sym              \
-        __attribute_used__                                      \
+        __used                                                  \
         __attribute__((section("__kcrctab" sec), unused))       \
         = (unsigned long) &__crc_##sym;
 #else
@@ -193,7 +193,7 @@ void *__symbol_get_gpl(const char *symbol);
         __attribute__((section("__ksymtab_strings")))           \
         = MODULE_SYMBOL_PREFIX #sym;                            \
         static const struct kernel_symbol __ksymtab_##sym       \
-        __attribute_used__                                      \
+        __used                                                  \
         __attribute__((section("__ksymtab" sec), unused))       \
         = { (unsigned long)&sym, __kstrtab_##sym }
 
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 13410b20600f..8126e55c5bdc 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -18,7 +18,7 @@
 #define __module_cat(a,b) ___module_cat(a,b)
 #define __MODULE_INFO(tag, name, info)                                    \
 static const char __module_cat(name,__LINE__)[]                           \
-  __attribute_used__                                                      \
+  __used                                                                  \
   __attribute__((section(".modinfo"),unused)) = __stringify(tag) "=" info
 #else  /* !MODULE */
 #define __MODULE_INFO(tag, name, info)
@@ -72,7 +72,7 @@ struct kparam_array
         BUILD_BUG_ON_ZERO((perm) < 0 || (perm) > 0777 || ((perm) & 2)); \
         static const char __param_str_##name[] = prefix #name;          \
         static struct kernel_param const __param_##name                 \
-        __attribute_used__                                              \
+        __used                                                          \
     __attribute__ ((unused,__section__ ("__param"),aligned(sizeof(void *)))) \
         = { __param_str_##name, perm, set, get, { arg } }
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 0dd93bb62fbe..ae1006322f80 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -867,7 +867,7 @@ enum pci_fixup_pass {
 
 /* Anonymous variables would be nice... */
 #define DECLARE_PCI_FIXUP_SECTION(section, name, vendor, device, hook)  \
-        static const struct pci_fixup __pci_fixup_##name __attribute_used__ \
+        static const struct pci_fixup __pci_fixup_##name __used         \
         __attribute__((__section__(#section))) = { vendor, device, hook };
 #define DECLARE_PCI_FIXUP_EARLY(vendor, device, hook)                   \
         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_early,                     \