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Merge branch 'cpuinit-delete' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux

Browse source 
Pull first stage of __cpuinit removal from Paul Gortmaker:
 "The two commits here 1) dummy out all the __cpuinit macros so that we
  no longer generate such sections, and then 2) remove all the section
  processing that we used to do for those sections.

  This makes all the __cpuinit and friends no-ops, so that we can remove
  the use cases of it at our leisure.  Expect stage 2, which does the
  tree wide removal sweep at the end of the merge window."

* 'cpuinit-delete' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
  modpost: remove all traces of cpuinit/cpuexit sections
  init.h: remove __cpuinit sections from the kernel
This commit is contained in:
Linus Torvalds 2013-07-07 11:01:19 -07:00
commit 8dce5f3dee
3 changed files with 18 additions and 65 deletions
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12
include/asm-generic/vmlinux.lds.h
View file

@ -174,8 +174,6 @@
*(.data) \
*(.ref.data) \
*(.data..shared_aligned) /* percpu related */ \
CPU_KEEP(init.data) \
CPU_KEEP(exit.data) \
MEM_KEEP(init.data) \
MEM_KEEP(exit.data) \
*(.data.unlikely) \
@ -355,8 +353,6 @@
/* __*init sections */ \
__init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \
*(.ref.rodata) \
CPU_KEEP(init.rodata) \
CPU_KEEP(exit.rodata) \
MEM_KEEP(init.rodata) \
MEM_KEEP(exit.rodata) \
} \
@ -397,8 +393,6 @@
*(.text.hot) \
*(.text) \
*(.ref.text) \
CPU_KEEP(init.text) \
CPU_KEEP(exit.text) \
MEM_KEEP(init.text) \
MEM_KEEP(exit.text) \
*(.text.unlikely)
@ -482,14 +476,12 @@
/* init and exit section handling */
#define INIT_DATA \
*(.init.data) \
CPU_DISCARD(init.data) \
MEM_DISCARD(init.data) \
KERNEL_CTORS() \
MCOUNT_REC() \
*(.init.rodata) \
FTRACE_EVENTS() \
TRACE_SYSCALLS() \
CPU_DISCARD(init.rodata) \
MEM_DISCARD(init.rodata) \
CLK_OF_TABLES() \
CLKSRC_OF_TABLES() \
@ -498,19 +490,15 @@
#define INIT_TEXT \
*(.init.text) \
CPU_DISCARD(init.text) \
MEM_DISCARD(init.text)
#define EXIT_DATA \
*(.exit.data) \
CPU_DISCARD(exit.data) \
CPU_DISCARD(exit.rodata) \
MEM_DISCARD(exit.data) \
MEM_DISCARD(exit.rodata)
#define EXIT_TEXT \
*(.exit.text) \
CPU_DISCARD(exit.text) \
MEM_DISCARD(exit.text)
#define EXIT_CALL \

19
include/linux/init.h
View file

@ -93,13 +93,13 @@
#define __exit __section(.exit.text) __exitused __cold notrace
/* Used for HOTPLUG_CPU */
#define __cpuinit __section(.cpuinit.text) __cold notrace
#define __cpuinitdata __section(.cpuinit.data)
#define __cpuinitconst __constsection(.cpuinit.rodata)
#define __cpuexit __section(.cpuexit.text) __exitused __cold notrace
#define __cpuexitdata __section(.cpuexit.data)
#define __cpuexitconst __constsection(.cpuexit.rodata)
/* temporary, until all users are removed */
#define __cpuinit
#define __cpuinitdata
#define __cpuinitconst
#define __cpuexit
#define __cpuexitdata
#define __cpuexitconst
/* Used for MEMORY_HOTPLUG */
#define __meminit __section(.meminit.text) __cold notrace
@ -118,9 +118,8 @@
#define __INITRODATA .section ".init.rodata","a",%progbits
#define __FINITDATA .previous
#define __CPUINIT .section ".cpuinit.text", "ax"
#define __CPUINITDATA .section ".cpuinit.data", "aw"
#define __CPUINITRODATA .section ".cpuinit.rodata", "a"
/* temporary, until all users are removed */
#define __CPUINIT
#define __MEMINIT .section ".meminit.text", "ax"
#define __MEMINITDATA .section ".meminit.data", "aw"