doc: fix wrong arch/i386 references

Change all "arch/i386" to "arch/x86" in Documentaion/,
since the directory has changed.

Also update the files which have changed their filename
in the meantime accordingly.

Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com>
[jkosina@suse.cz: reword changelog]
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

Documentation/RCU/NMI-RCU.txt

@@ -5,8 +5,8 @@ Although RCU is usually used to protect read-mostly data structures,
 it is possible to use RCU to provide dynamic non-maskable interrupt
 handlers, as well as dynamic irq handlers.  This document describes
 how to do this, drawing loosely from Zwane Mwaikambo's NMI-timer
-work in "arch/i386/oprofile/nmi_timer_int.c" and in
-"arch/i386/kernel/traps.c".
+work in "arch/x86/oprofile/nmi_timer_int.c" and in
+"arch/x86/kernel/traps.c".
 
 The relevant pieces of code are listed below, each followed by a
 brief explanation.

Documentation/blockdev/README.DAC960

@@ -214,7 +214,7 @@ replacing "/usr/src" with wherever you keep your Linux kernel source tree:
   make config
   make bzImage (or zImage)
 
-Then install "arch/i386/boot/bzImage" or "arch/i386/boot/zImage" as your
+Then install "arch/x86/boot/bzImage" or "arch/x86/boot/zImage" as your
 standard kernel, run lilo if appropriate, and reboot.
 
 To create the necessary devices in /dev, the "make_rd" script included in

Documentation/blockdev/ramdisk.txt

@@ -64,9 +64,9 @@ the RAM disk dynamically grows as data is being written into it, a size field
 is not required. Bits 11 to 13 are not currently used and may as well be zero.
 These numbers are no magical secrets, as seen below:
 
-./arch/i386/kernel/setup.c:#define RAMDISK_IMAGE_START_MASK     0x07FF
-./arch/i386/kernel/setup.c:#define RAMDISK_PROMPT_FLAG          0x8000
-./arch/i386/kernel/setup.c:#define RAMDISK_LOAD_FLAG            0x4000
+./arch/x86/kernel/setup.c:#define RAMDISK_IMAGE_START_MASK     0x07FF
+./arch/x86/kernel/setup.c:#define RAMDISK_PROMPT_FLAG          0x8000
+./arch/x86/kernel/setup.c:#define RAMDISK_LOAD_FLAG            0x4000
 
 Consider a typical two floppy disk setup, where you will have the
 kernel on disk one, and have already put a RAM disk image onto disk #2.
@@ -85,7 +85,7 @@ The command line equivalent is: "prompt_ramdisk=1"
 Putting that together gives 2^15 + 2^14 + 0 = 49152 for an rdev word.
 So to create disk one of the set, you would do:
 
-	/usr/src/linux# cat arch/i386/boot/zImage > /dev/fd0
+	/usr/src/linux# cat arch/x86/boot/zImage > /dev/fd0
 	/usr/src/linux# rdev /dev/fd0 /dev/fd0
 	/usr/src/linux# rdev -r /dev/fd0 49152
 

Documentation/cpu-freq/cpu-drivers.txt

@@ -168,7 +168,7 @@ in-chipset dynamic frequency switching to policy->min, the upper limit
 to policy->max, and -if supported- select a performance-oriented
 setting when policy->policy is CPUFREQ_POLICY_PERFORMANCE, and a
 powersaving-oriented setting when CPUFREQ_POLICY_POWERSAVE. Also check
-the reference implementation in arch/i386/kernel/cpu/cpufreq/longrun.c
+the reference implementation in drivers/cpufreq/longrun.c
 
 
 

Documentation/filesystems/nfs/nfsroot.txt

@@ -226,7 +226,7 @@ They depend on various facilities being available:
      	cdrecord.
 
 	e.g.
-	  cdrecord dev=ATAPI:1,0,0 arch/i386/boot/image.iso
+	  cdrecord dev=ATAPI:1,0,0 arch/x86/boot/image.iso
 
      	For more information on isolinux, including how to create bootdisks
      	for prebuilt kernels, see http://syslinux.zytor.com/

Documentation/isdn/README.HiSax

@@ -506,7 +506,7 @@ to e.g. the Internet:
      <ISDN subsystem - ISDN support -- HiSax>
      make clean; make zImage; make modules; make modules_install
 2. Install the new kernel
-     cp /usr/src/linux/arch/i386/boot/zImage /etc/kernel/linux.isdn
+     cp /usr/src/linux/arch/x86/boot/zImage /etc/kernel/linux.isdn
      vi /etc/lilo.conf
      <add new kernel in the bootable image section>
      lilo

Documentation/kbuild/makefiles.txt

@@ -441,7 +441,7 @@ more details, with real examples.
 	specified if first option are not supported.
 
 	Example:
-		#arch/i386/kernel/Makefile
+		#arch/x86/kernel/Makefile
 		vsyscall-flags += $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
 
 	In the above example, vsyscall-flags will be assigned the option
@@ -460,7 +460,7 @@ more details, with real examples.
 	supported to use an optional second option.
 
 	Example:
-		#arch/i386/Makefile
+		#arch/x86/Makefile
 		cflags-y += $(call cc-option,-march=pentium-mmx,-march=i586)
 
 	In the above example, cflags-y will be assigned the option
@@ -522,7 +522,7 @@ more details, with real examples.
 	even though the option was accepted by gcc.
 
 	Example:
-		#arch/i386/Makefile
+		#arch/x86/Makefile
 		cflags-y += $(shell \
 		if [ $(call cc-version) -ge 0300 ] ; then \
 			echo "-mregparm=3"; fi ;)
@@ -802,7 +802,7 @@ but in the architecture makefiles where the kbuild infrastructure
 is not sufficient this sometimes needs to be explicit.
 
 	Example:
-		#arch/i386/boot/Makefile
+		#arch/x86/boot/Makefile
 		subdir- := compressed/
 
 The above assignment instructs kbuild to descend down in the
@@ -812,12 +812,12 @@ To support the clean infrastructure in the Makefiles that builds the
 final bootimage there is an optional target named archclean:
 
 	Example:
-		#arch/i386/Makefile
+		#arch/x86/Makefile
 		archclean:
-			$(Q)$(MAKE) $(clean)=arch/i386/boot
+			$(Q)$(MAKE) $(clean)=arch/x86/boot
 
-When "make clean" is executed, make will descend down in arch/i386/boot,
-and clean as usual. The Makefile located in arch/i386/boot/ may use
+When "make clean" is executed, make will descend down in arch/x86/boot,
+and clean as usual. The Makefile located in arch/x86/boot/ may use
 the subdir- trick to descend further down.
 
 Note 1: arch/$(ARCH)/Makefile cannot use "subdir-", because that file is
@@ -882,7 +882,7 @@ When kbuild executes, the following steps are followed (roughly):
 	LDFLAGS_vmlinux uses the LDFLAGS_$@ support.
 
 	Example:
-		#arch/i386/Makefile
+		#arch/x86/Makefile
 		LDFLAGS_vmlinux := -e stext
 
     OBJCOPYFLAGS	objcopy flags
@@ -920,14 +920,14 @@ When kbuild executes, the following steps are followed (roughly):
 	Often, the KBUILD_CFLAGS variable depends on the configuration.
 
 	Example:
-		#arch/i386/Makefile
+		#arch/x86/Makefile
 		cflags-$(CONFIG_M386) += -march=i386
 		KBUILD_CFLAGS += $(cflags-y)
 
 	Many arch Makefiles dynamically run the target C compiler to
 	probe supported options:
 
-		#arch/i386/Makefile
+		#arch/x86/Makefile
 
 		...
 		cflags-$(CONFIG_MPENTIUMII)     += $(call cc-option,\
@@ -1038,8 +1038,8 @@ When kbuild executes, the following steps are followed (roughly):
 	into the arch/$(ARCH)/boot/Makefile.
 
 	Example:
-		#arch/i386/Makefile
-		boot := arch/i386/boot
+		#arch/x86/Makefile
+		boot := arch/x86/boot
 		bzImage: vmlinux
 			$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 
@@ -1051,7 +1051,7 @@ When kbuild executes, the following steps are followed (roughly):
 	To support this, $(archhelp) must be defined.
 
 	Example:
-		#arch/i386/Makefile
+		#arch/x86/Makefile
 		define archhelp
 		  echo  '* bzImage      - Image (arch/$(ARCH)/boot/bzImage)'
 		endif
@@ -1065,7 +1065,7 @@ When kbuild executes, the following steps are followed (roughly):
 	from vmlinux.
 
 	Example:
-		#arch/i386/Makefile
+		#arch/x86/Makefile
 		all: bzImage
 
 	When "make" is executed without arguments, bzImage will be built.
@@ -1083,7 +1083,7 @@ When kbuild executes, the following steps are followed (roughly):
 	2) kbuild knows what files to delete during "make clean"
 
 	Example:
-		#arch/i386/kernel/Makefile
+		#arch/x86/kernel/Makefile
 		extra-y := head.o init_task.o
 
 	In this example, extra-y is used to list object files that
@@ -1133,7 +1133,7 @@ When kbuild executes, the following steps are followed (roughly):
 	Compress target. Use maximum compression to compress target.
 
 	Example:
-		#arch/i386/boot/Makefile
+		#arch/x86/boot/Makefile
 		LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
 		LDFLAGS_setup    := -Ttext 0x0 -s --oformat binary -e begtext
 
@@ -1193,7 +1193,7 @@ When kbuild executes, the following steps are followed (roughly):
 
 	When updating the $(obj)/bzImage target, the line
 
-	BUILD    arch/i386/boot/bzImage
+	BUILD    arch/x86/boot/bzImage
 
 	will be displayed with "make KBUILD_VERBOSE=0".
 
@@ -1207,7 +1207,7 @@ When kbuild executes, the following steps are followed (roughly):
 	kbuild knows .lds files and includes a rule *lds.S -> *lds.
 
 	Example:
-		#arch/i386/kernel/Makefile
+		#arch/x86/kernel/Makefile
 		always := vmlinux.lds
 
 		#Makefile

Documentation/magic-number.txt

@@ -66,7 +66,7 @@ MKISS_DRIVER_MAGIC    0x04bf      mkiss_channel     drivers/net/mkiss.h
 RISCOM8_MAGIC         0x0907      riscom_port       drivers/char/riscom8.h
 SPECIALIX_MAGIC       0x0907      specialix_port    drivers/char/specialix_io8.h
 HDLC_MAGIC            0x239e      n_hdlc            drivers/char/n_hdlc.c
-APM_BIOS_MAGIC        0x4101      apm_user          arch/i386/kernel/apm.c
+APM_BIOS_MAGIC        0x4101      apm_user          arch/x86/kernel/apm_32.c
 CYCLADES_MAGIC        0x4359      cyclades_port     include/linux/cyclades.h
 DB_MAGIC              0x4442      fc_info           drivers/net/iph5526_novram.c
 DL_MAGIC              0x444d      fc_info           drivers/net/iph5526_novram.c

Documentation/mca.txt

@@ -11,7 +11,7 @@ Adapter Detection
 
 The ideal MCA adapter detection is done through the use of the
 Programmable Option Select registers.  Generic functions for doing
-this have been added in include/linux/mca.h and arch/i386/kernel/mca.c.
+this have been added in include/linux/mca.h and arch/x86/kernel/mca_32.c.
 Everything needed to detect adapters and read (and write) configuration
 information is there.  A number of MCA-specific drivers already use
 this.  The typical probe code looks like the following:
@@ -81,7 +81,7 @@ more people use shared IRQs on PCI machines.
 In general, an interrupt must be acknowledged not only at the ICU (which
 is done automagically by the kernel), but at the device level.  In
 particular, IRQ 0 must be reset after a timer interrupt (now done in
-arch/i386/kernel/time.c) or the first timer interrupt hangs the system.
+arch/x86/kernel/time.c) or the first timer interrupt hangs the system.
 There were also problems with the 1.3.x floppy drivers, but that seems
 to have been fixed.
 

Documentation/scheduler/sched-arch.txt

@@ -66,7 +66,7 @@ Your cpu_idle routines need to obey the following rules:
 	    barrier issued (followed by a test of need_resched with
 	    interrupts disabled, as explained in 3).
 
-arch/i386/kernel/process.c has examples of both polling and
+arch/x86/kernel/process.c has examples of both polling and
 sleeping idle functions.
 
 

Documentation/scsi/BusLogic.txt

@@ -553,7 +553,7 @@ replacing "/usr/src" with wherever you keep your Linux kernel source tree:
   make config
   make zImage
 
-Then install "arch/i386/boot/zImage" as your standard kernel, run lilo if
+Then install "arch/x86/boot/zImage" as your standard kernel, run lilo if
 appropriate, and reboot.
 
 

Documentation/serial/computone.txt

@@ -87,7 +87,7 @@ c) Set address on ISA cards then:
 	   edit /usr/src/linux/drivers/char/ip2.c  
            (Optional - may be specified on kernel command line now)
 d) Run "make zImage" or whatever target you prefer.
-e) mv /usr/src/linux/arch/i386/boot/zImage to /boot.
+e) mv /usr/src/linux/arch/x86/boot/zImage to /boot.
 f) Add new config for this kernel into /etc/lilo.conf, run "lilo"
 	or copy to a floppy disk and boot from that floppy disk.
 g) Reboot using this kernel

Documentation/zh_CN/magic-number.txt

@@ -66,7 +66,7 @@ MKISS_DRIVER_MAGIC    0x04bf      mkiss_channel     drivers/net/mkiss.h
 RISCOM8_MAGIC         0x0907      riscom_port       drivers/char/riscom8.h
 SPECIALIX_MAGIC       0x0907      specialix_port    drivers/char/specialix_io8.h
 HDLC_MAGIC            0x239e      n_hdlc            drivers/char/n_hdlc.c
-APM_BIOS_MAGIC        0x4101      apm_user          arch/i386/kernel/apm.c
+APM_BIOS_MAGIC        0x4101      apm_user          arch/x86/kernel/apm_32.c
 CYCLADES_MAGIC        0x4359      cyclades_port     include/linux/cyclades.h
 DB_MAGIC              0x4442      fc_info           drivers/net/iph5526_novram.c
 DL_MAGIC              0x444d      fc_info           drivers/net/iph5526_novram.c