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

* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild:
  kbuild: Do not overwrite makefile as anohter user
  kbuild: drivers/video/logo/ - fix ident glitch
  kbuild: fix gen_initramfs_list.sh
  kbuild modpost - relax driver data name
  kbuild: removing .tmp_versions considered harmful
  kbuild: fix modpost segfault for 64bit mipsel kernel

Makefile

@@ -344,16 +344,14 @@ scripts_basic:
 scripts/basic/%: scripts_basic ;
 
 PHONY += outputmakefile
-# outputmakefile generate a Makefile to be placed in output directory, if
-# using a seperate output directory. This allows convinient use
-# of make in output directory
+# outputmakefile generates a Makefile in the output directory, if using a
+# separate output directory. This allows convenient use of make in the
+# output directory.
 outputmakefile:
-	$(Q)if test ! $(srctree) -ef $(objtree); then \
-	$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile              \
-	    $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)         \
-	    > $(objtree)/Makefile;                                 \
-	    echo '  GEN    $(objtree)/Makefile';                   \
-	fi
+ifneq ($(KBUILD_SRC),)
+	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
+	    $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
+endif
 
 # To make sure we do not include .config for any of the *config targets
 # catch them early, and hand them over to scripts/kconfig/Makefile
@@ -796,8 +794,8 @@ prepare2: prepare3 outputmakefile
 prepare1: prepare2 include/linux/version.h include/asm \
                    include/config/MARKER
 ifneq ($(KBUILD_MODULES),)
-	$(Q)rm -rf $(MODVERDIR)
 	$(Q)mkdir -p $(MODVERDIR)
+	$(Q)rm -f $(MODVERDIR)/*
 endif
 
 archprepare: prepare1 scripts_basic
@@ -1086,8 +1084,8 @@ else # KBUILD_EXTMOD
 KBUILD_MODULES := 1
 PHONY += crmodverdir
 crmodverdir:
-	$(Q)rm -rf $(MODVERDIR)
 	$(Q)mkdir -p $(MODVERDIR)
+	$(Q)rm -f $(MODVERDIR)/*
 
 PHONY += $(objtree)/Module.symvers
 $(objtree)/Module.symvers:

scripts/gen_initramfs_list.sh

@@ -200,7 +200,11 @@ input_file() {
 			print_mtime "$1" >> ${output}
 			cat "$1"         >> ${output}
 		else
-			grep ^file "$1" | cut -d ' ' -f 3
+			cat "$1" | while read type dir file perm ; do
+				if [ "$type" == "file" ]; then
+					echo "$file \\";
+				fi
+			done
 		fi
 	elif [ -d "$1" ]; then
 		dir_filelist "$1"

scripts/mkmakefile

@@ -10,7 +10,10 @@
 # $4 - patchlevel
 
 
-cat << EOF
+test ! -r $2/Makefile -o -O $2/Makefile || exit 0
+echo "  GEN     $2/Makefile"
+
+cat << EOF > $2/Makefile
 # Automatically generated by $0: don't edit
 
 VERSION = $3

scripts/mod/modpost.c

@@ -487,14 +487,14 @@ static int strrcmp(const char *s, const char *sub)
  *   atsym   =__param*
  *
  * Pattern 2:
- *   Many drivers utilise a *_driver container with references to
+ *   Many drivers utilise a *driver container with references to
  *   add, remove, probe functions etc.
  *   These functions may often be marked __init and we do not want to
  *   warn here.
  *   the pattern is identified by:
  *   tosec   = .init.text | .exit.text | .init.data
  *   fromsec = .data
- *   atsym = *_driver, *_template, *_sht, *_ops, *_probe, *probe_one
+ *   atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one
  **/
 static int secref_whitelist(const char *tosec, const char *fromsec,
 			    const char *atsym)
@@ -502,7 +502,7 @@ static int secref_whitelist(const char *tosec, const char *fromsec,
 	int f1 = 1, f2 = 1;
 	const char **s;
 	const char *pat2sym[] = {
-		"_driver",
+		"driver",
 		"_template", /* scsi uses *_template a lot */
 		"_sht",      /* scsi also used *_sht to some extent */
 		"_ops",
@@ -709,10 +709,17 @@ static void check_sec_ref(struct module *mod, const char *modname,
 		for (rela = start; rela < stop; rela++) {
 			Elf_Rela r;
 			const char *secname;
+			unsigned int r_sym;
 			r.r_offset = TO_NATIVE(rela->r_offset);
-			r.r_info   = TO_NATIVE(rela->r_info);
+			if (hdr->e_ident[EI_CLASS] == ELFCLASS64 &&
+			    hdr->e_machine == EM_MIPS) {
+				r_sym = ELF64_MIPS_R_SYM(rela->r_info);
+				r_sym = TO_NATIVE(r_sym);
+			} else {
+				r_sym = ELF_R_SYM(TO_NATIVE(rela->r_info));
+			}
 			r.r_addend = TO_NATIVE(rela->r_addend);
-			sym = elf->symtab_start + ELF_R_SYM(r.r_info);
+			sym = elf->symtab_start + r_sym;
 			/* Skip special sections */
 			if (sym->st_shndx >= SHN_LORESERVE)
 				continue;

scripts/mod/modpost.h

@@ -39,6 +39,25 @@
 #define ELF_R_TYPE  ELF64_R_TYPE
 #endif
 
+/* The 64-bit MIPS ELF ABI uses an unusual reloc format. */
+typedef struct
+{
+  Elf32_Word    r_sym;		/* Symbol index */
+  unsigned char r_ssym;		/* Special symbol for 2nd relocation */
+  unsigned char r_type3;	/* 3rd relocation type */
+  unsigned char r_type2;	/* 2nd relocation type */
+  unsigned char r_type1;	/* 1st relocation type */
+} _Elf64_Mips_R_Info;
+
+typedef union
+{
+  Elf64_Xword	r_info_number;
+  _Elf64_Mips_R_Info r_info_fields;
+} _Elf64_Mips_R_Info_union;
+
+#define ELF64_MIPS_R_SYM(i) \
+  ((__extension__ (_Elf64_Mips_R_Info_union)(i)).r_info_fields.r_sym)
+
 #if KERNEL_ELFDATA != HOST_ELFDATA
 
 static inline void __endian(const void *src, void *dest, unsigned int size)