---

yaml
---
r: 8492
b: refs/heads/master
c: 2f79f45
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e130af5dab2abbf01c5d92ec5ac05912cf3d9aa7
+refs/heads/master: 2f79f458d2ab4a77f1b9df8d0041e51ce085d7c0

trunk/Documentation/kernel-parameters.txt

@@ -549,6 +549,7 @@ running once the system is up.
 			     keyboard and can not control its state
 			     (Don't attempt to blink the leds)
 	i8042.noaux	[HW] Don't check for auxiliary (== mouse) port
+	i8042.nokbd	[HW] Don't check/create keyboard port
 	i8042.nomux	[HW] Don't check presence of an active multiplexing
 			     controller
 	i8042.nopnp	[HW] Don't use ACPIPnP / PnPBIOS to discover KBD/AUX

trunk/Kbuild

@@ -4,7 +4,7 @@
 # 1) Generate asm-offsets.h
 
 #####
-# 1) Generate asm-offsets.h 
+# 1) Generate asm-offsets.h
 #
 
 offsets-file := include/asm-$(ARCH)/asm-offsets.h
@@ -22,6 +22,7 @@ sed-$(CONFIG_MIPS) := "/^@@@/s///p"
 
 quiet_cmd_offsets = GEN     $@
 define cmd_offsets
+	mkdir -p $(dir $@); \
 	cat $< | \
 	(set -e; \
 	 echo "#ifndef __ASM_OFFSETS_H__"; \
@@ -43,6 +44,6 @@ arch/$(ARCH)/kernel/asm-offsets.s: arch/$(ARCH)/kernel/asm-offsets.c FORCE
 	$(Q)mkdir -p $(dir $@)
 	$(call if_changed_dep,cc_s_c)
 
-$(srctree)/$(offsets-file): arch/$(ARCH)/kernel/asm-offsets.s Kbuild
+$(obj)/$(offsets-file): arch/$(ARCH)/kernel/asm-offsets.s Kbuild
 	$(call cmd,offsets)
 

trunk/Makefile

@@ -334,7 +334,7 @@ KALLSYMS	= scripts/kallsyms
 PERL		= perl
 CHECK		= sparse
 
-CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__
+CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ $(CF)
 MODFLAGS	= -DMODULE
 CFLAGS_MODULE   = $(MODFLAGS)
 AFLAGS_MODULE   = $(MODFLAGS)
@@ -382,6 +382,9 @@ RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn --exclude CV
 scripts_basic:
 	$(Q)$(MAKE) $(build)=scripts/basic
 
+# To avoid any implicit rule to kick in, define an empty command.
+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
@@ -444,9 +447,8 @@ ifeq ($(config-targets),1)
 include $(srctree)/arch/$(ARCH)/Makefile
 export KBUILD_DEFCONFIG
 
-config: scripts_basic outputmakefile FORCE
-	$(Q)$(MAKE) $(build)=scripts/kconfig $@
-%config: scripts_basic outputmakefile FORCE
+config %config: scripts_basic outputmakefile FORCE
+	$(Q)mkdir -p include/linux
 	$(Q)$(MAKE) $(build)=scripts/kconfig $@
 
 else
@@ -641,8 +643,13 @@ quiet_cmd_vmlinux__ ?= LD      $@
 # Generate new vmlinux version
 quiet_cmd_vmlinux_version = GEN     .version
       cmd_vmlinux_version = set -e;                     \
-	. $(srctree)/scripts/mkversion > .tmp_version;	\
-	mv -f .tmp_version .version;			\
+	if [ ! -r .version ]; then			\
+	  rm -f .version;				\
+	  echo 1 >.version;				\
+	else						\
+	  mv .version .old_version;			\
+	  expr 0$$(cat .old_version) + 1 >.version;	\
+	fi;						\
 	$(MAKE) $(build)=init
 
 # Generate System.map
@@ -756,6 +763,7 @@ endif # ifdef CONFIG_KALLSYMS
 # vmlinux image - including updated kernel symbols
 vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) $(kallsyms.o) FORCE
 	$(call if_changed_rule,vmlinux__)
+	$(Q)rm -f .old_version
 
 # The actual objects are generated when descending, 
 # make sure no implicit rule kicks in
@@ -806,7 +814,7 @@ ifneq ($(KBUILD_MODULES),)
 endif
 
 prepare0: prepare prepare1 FORCE
-	$(Q)$(MAKE) $(build)=$(srctree)
+	$(Q)$(MAKE) $(build)=.
 
 # All the preparing..
 prepare-all: prepare0
@@ -848,7 +856,7 @@ include/asm:
 
 # 	Split autoconf.h into include/linux/config/*
 
-include/config/MARKER: include/linux/autoconf.h
+include/config/MARKER: scripts/basic/split-include include/linux/autoconf.h
 	@echo '  SPLIT   include/linux/autoconf.h -> include/config/*'
 	@scripts/basic/split-include include/linux/autoconf.h include/config
 	@touch $@
@@ -1053,6 +1061,7 @@ help:
 	@echo  '  rpm		  - Build a kernel as an RPM package'
 	@echo  '  tags/TAGS	  - Generate tags file for editors'
 	@echo  '  cscope	  - Generate cscope index'
+	@echo  '  kernelrelease	  - Output the release version string'
 	@echo  ''
 	@echo  'Static analysers'
 	@echo  '  buildcheck      - List dangling references to vmlinux discarded sections'

trunk/arch/i386/kernel/vmlinux.lds.S

@@ -144,12 +144,7 @@ SECTIONS
 	*(.exitcall.exit)
 	}
 
-  /* Stabs debugging sections.  */
-  .stab 0 : { *(.stab) }
-  .stabstr 0 : { *(.stabstr) }
-  .stab.excl 0 : { *(.stab.excl) }
-  .stab.exclstr 0 : { *(.stab.exclstr) }
-  .stab.index 0 : { *(.stab.index) }
-  .stab.indexstr 0 : { *(.stab.indexstr) }
-  .comment 0 : { *(.comment) }
+  STABS_DEBUG
+
+  DWARF_DEBUG
 }

trunk/arch/um/Makefile

@@ -103,7 +103,6 @@ endef
 
 ifneq ($(KBUILD_SRC),)
 $(shell mkdir -p $(ARCH_DIR) && ln -fsn $(srctree)/$(ARCH_DIR)/Kconfig.$(SUBARCH) $(ARCH_DIR)/Kconfig.arch)
-CLEAN_FILES += $(ARCH_DIR)/Kconfig.arch
 else
 $(shell cd $(ARCH_DIR) && ln -sf Kconfig.$(SUBARCH) Kconfig.arch)
 endif
@@ -144,14 +143,14 @@ endef
 #TT or skas makefiles and don't clean skas_ptregs.h.
 CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/uml-config.h \
 	$(GEN_HEADERS) $(ARCH_DIR)/include/skas_ptregs.h \
-	$(ARCH_DIR)/include/user_constants.h
+	$(ARCH_DIR)/include/user_constants.h $(ARCH_DIR)/Kconfig.arch
 
 MRPROPER_FILES += $(SYMLINK_HEADERS) $(ARCH_SYMLINKS) \
-	$(addprefix $(ARCH_DIR)/kernel/,$(KERN_SYMLINKS)) $(ARCH_DIR)/os \
-	$(ARCH_DIR)/Kconfig.arch
+	$(addprefix $(ARCH_DIR)/kernel/,$(KERN_SYMLINKS)) $(ARCH_DIR)/os
 
 archclean:
 	$(Q)$(MAKE) $(clean)=$(ARCH_DIR)/util
+	$(Q)$(MAKE) $(clean)=$(ARCH_DIR)/os-$(OS)/util
 	@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
 		-o -name '*.gcov' \) -type f -print | xargs rm -f
 

trunk/arch/um/include/mem.h

@@ -13,7 +13,17 @@ extern int physmem_subst_mapping(void *virt, int fd, __u64 offset, int w);
 extern int is_remapped(void *virt);
 extern int physmem_remove_mapping(void *virt);
 extern void physmem_forget_descriptor(int fd);
-extern unsigned long to_phys(void *virt);
+
+extern unsigned long uml_physmem;
+static inline unsigned long to_phys(void *virt)
+{
+	return(((unsigned long) virt) - uml_physmem);
+}
+
+static inline void *to_virt(unsigned long phys)
+{
+	return((void *) uml_physmem + phys);
+}
 
 #endif
 

trunk/arch/um/kernel/dyn.lds.S

@@ -146,37 +146,8 @@ SECTIONS
   }
   _end = .;
   PROVIDE (end = .);
-   /* Stabs debugging sections.  */
-  .stab          0 : { *(.stab) }
-  .stabstr       0 : { *(.stabstr) }
-  .stab.excl     0 : { *(.stab.excl) }
-  .stab.exclstr  0 : { *(.stab.exclstr) }
-  .stab.index    0 : { *(.stab.index) }
-  .stab.indexstr 0 : { *(.stab.indexstr) }
-  .comment       0 : { *(.comment) }
-  /* DWARF debug sections.
-     Symbols in the DWARF debugging sections are relative to the beginning
-     of the section so we begin them at 0.  */
-  /* DWARF 1 */
-  .debug          0 : { *(.debug) }
-  .line           0 : { *(.line) }
-  /* GNU DWARF 1 extensions */
-  .debug_srcinfo  0 : { *(.debug_srcinfo) }
-  .debug_sfnames  0 : { *(.debug_sfnames) }
-  /* DWARF 1.1 and DWARF 2 */
-  .debug_aranges  0 : { *(.debug_aranges) }
-  .debug_pubnames 0 : { *(.debug_pubnames) }
-  /* DWARF 2 */
-  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
-  .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line) }
-  .debug_frame    0 : { *(.debug_frame) }
-  .debug_str      0 : { *(.debug_str) }
-  .debug_loc      0 : { *(.debug_loc) }
-  .debug_macinfo  0 : { *(.debug_macinfo) }
-  /* SGI/MIPS DWARF 2 extensions */
-  .debug_weaknames 0 : { *(.debug_weaknames) }
-  .debug_funcnames 0 : { *(.debug_funcnames) }
-  .debug_typenames 0 : { *(.debug_typenames) }
-  .debug_varnames  0 : { *(.debug_varnames) }
+
+  STABS_DEBUG
+
+  DWARF_DEBUG
 }

trunk/arch/um/kernel/ksyms.c

@@ -34,14 +34,9 @@ EXPORT_SYMBOL(host_task_size);
 EXPORT_SYMBOL(arch_validate);
 EXPORT_SYMBOL(get_kmem_end);
 
-EXPORT_SYMBOL(page_to_phys);
-EXPORT_SYMBOL(phys_to_page);
 EXPORT_SYMBOL(high_physmem);
 EXPORT_SYMBOL(empty_zero_page);
 EXPORT_SYMBOL(um_virt_to_phys);
-EXPORT_SYMBOL(__virt_to_page);
-EXPORT_SYMBOL(to_phys);
-EXPORT_SYMBOL(to_virt);
 EXPORT_SYMBOL(mode_tt);
 EXPORT_SYMBOL(handle_page_fault);
 EXPORT_SYMBOL(find_iomem);

trunk/arch/um/kernel/physmem.c

@@ -248,16 +248,6 @@ unsigned long high_physmem;
 
 extern unsigned long physmem_size;
 
-void *to_virt(unsigned long phys)
-{
-	return((void *) uml_physmem + phys);
-}
-
-unsigned long to_phys(void *virt)
-{
-	return(((unsigned long) virt) - uml_physmem);
-}
-
 int init_maps(unsigned long physmem, unsigned long iomem, unsigned long highmem)
 {
 	struct page *p, *map;
@@ -298,31 +288,6 @@ int init_maps(unsigned long physmem, unsigned long iomem, unsigned long highmem)
 	return(0);
 }
 
-struct page *phys_to_page(const unsigned long phys)
-{
-	return(&mem_map[phys >> PAGE_SHIFT]);
-}
-
-struct page *__virt_to_page(const unsigned long virt)
-{
-	return(&mem_map[__pa(virt) >> PAGE_SHIFT]);
-}
-
-phys_t page_to_phys(struct page *page)
-{
-	return((page - mem_map) << PAGE_SHIFT);
-}
-
-pte_t mk_pte(struct page *page, pgprot_t pgprot)
-{
-	pte_t pte;
-
-	pte_set_val(pte, page_to_phys(page), pgprot);
-	if(pte_present(pte))
-		pte_mknewprot(pte_mknewpage(pte));
-	return(pte);
-}
-
 /* Changed during early boot */
 static unsigned long kmem_top = 0;
 

trunk/arch/um/kernel/trap_kern.c

@@ -57,7 +57,8 @@ int handle_page_fault(unsigned long address, unsigned long ip,
 	if(is_write && !(vma->vm_flags & VM_WRITE)) 
 		goto out;
 
-        if(!(vma->vm_flags & (VM_READ | VM_EXEC)))
+	/* Don't require VM_READ|VM_EXEC for write faults! */
+        if(!is_write && !(vma->vm_flags & (VM_READ | VM_EXEC)))
                 goto out;
 
 	do {
@@ -84,8 +85,7 @@ int handle_page_fault(unsigned long address, unsigned long ip,
 		pte = pte_offset_kernel(pmd, address);
 	} while(!pte_present(*pte));
 	err = 0;
-	*pte = pte_mkyoung(*pte);
-	if(pte_write(*pte)) *pte = pte_mkdirty(*pte);
+	WARN_ON(!pte_young(*pte) || (is_write && !pte_dirty(*pte)));
 	flush_tlb_page(vma, address);
 out:
 	up_read(&mm->mmap_sem);

trunk/arch/um/kernel/uml.lds.S

@@ -93,14 +93,10 @@ SECTIONS
    *(.bss)
    *(COMMON)
   }
-  _end = . ;
+  _end = .;
   PROVIDE (end = .);
-  /* Stabs debugging sections.  */
-  .stab 0 : { *(.stab) }
-  .stabstr 0 : { *(.stabstr) }
-  .stab.excl 0 : { *(.stab.excl) }
-  .stab.exclstr 0 : { *(.stab.exclstr) }
-  .stab.index 0 : { *(.stab.index) }
-  .stab.indexstr 0 : { *(.stab.indexstr) }
-  .comment 0 : { *(.comment) }
+
+  STABS_DEBUG
+
+  DWARF_DEBUG
 }

trunk/arch/x86_64/kernel/vmlinux.lds.S

@@ -194,20 +194,7 @@ SECTIONS
 #endif
 	}
 
-  /* DWARF 2 */
-  .debug_info     0 : { *(.debug_info) }
-  .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line) }
-  .debug_frame    0 : { *(.debug_frame) }
-  .debug_str      0 : { *(.debug_str) }
-  .debug_loc      0 : { *(.debug_loc) }
-  .debug_macinfo  0 : { *(.debug_macinfo) }
-  /* SGI/MIPS DWARF 2 extensions */
-  .debug_weaknames 0 : { *(.debug_weaknames) }
-  .debug_funcnames 0 : { *(.debug_funcnames) }
-  .debug_typenames 0 : { *(.debug_typenames) }
-  .debug_varnames  0 : { *(.debug_varnames) }
-
-
-  .comment 0 : { *(.comment) }
+  STABS_DEBUG
+
+  DWARF_DEBUG
 }