vmlinux.lds.h: Replace RW_DATA_SECTION with RW_DATA

Rename RW_DATA_SECTION to RW_DATA. (Calling this a "section" is a lie,
since it's multiple sections and section flags cannot be applied to
the macro.)
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> # s390
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: linux-alpha@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-c6x-dev@linux-c6x.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-s390@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Rick Edgecombe <rick.p.edgecombe@intel.com>
Cc: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Will Deacon <will@kernel.org>
Cc: x86-ml <x86@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: https://lkml.kernel.org/r/20191029211351.13243-14-keescook@chromium.org

arch/alpha/kernel/vmlinux.lds.S

@@ -50,7 +50,7 @@ SECTIONS
 
 	_sdata = .;	/* Start of rw data section */
 	_data = .;
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 
 	.got : {
 		*(.got)

arch/arc/kernel/vmlinux.lds.S

@@ -101,7 +101,7 @@ SECTIONS
 	 * 1. this is .data essentially
 	 * 2. THREAD_SIZE for init.task, must be kernel-stk sz aligned
 	 */
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 
 	_edata = .;
 

arch/arm/kernel/vmlinux-xip.lds.S

@@ -112,7 +112,7 @@ SECTIONS
 
 	. = ALIGN(THREAD_SIZE);
 	_sdata = .;
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	.data.ro_after_init : AT(ADDR(.data.ro_after_init) - LOAD_OFFSET) {
 		*(.data..ro_after_init)
 	}

arch/arm/kernel/vmlinux.lds.S

@@ -141,7 +141,7 @@ SECTIONS
 	__init_end = .;
 
 	_sdata = .;
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	_edata = .;
 
 	BSS_SECTION(0, 0, 0)

arch/arm64/kernel/vmlinux.lds.S

@@ -214,7 +214,7 @@ SECTIONS
 
 	_data = .;
 	_sdata = .;
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN)
 
 	/*
 	 * Data written with the MMU off but read with the MMU on requires

arch/csky/kernel/vmlinux.lds.S

@@ -50,7 +50,7 @@ SECTIONS
 
 	_sdata = .;
 	RO_DATA(PAGE_SIZE)
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	_edata = .;
 
 	EXCEPTION_TABLE(L1_CACHE_BYTES)

arch/h8300/kernel/vmlinux.lds.S

@@ -47,7 +47,7 @@ SECTIONS
 #endif
 	_sdata = . ;
 	__data_start = . ;
-	RW_DATA_SECTION(0, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(0, PAGE_SIZE, THREAD_SIZE)
 #if defined(CONFIG_ROMKERNEL)
 #undef ADDR
 #endif

arch/hexagon/kernel/vmlinux.lds.S

@@ -49,7 +49,7 @@ SECTIONS
 	INIT_DATA_SECTION(PAGE_SIZE)
 
 	_sdata = .;
-		RW_DATA_SECTION(32,PAGE_SIZE,_THREAD_SIZE)
+		RW_DATA(32,PAGE_SIZE,_THREAD_SIZE)
 		RO_DATA(PAGE_SIZE)
 	_edata = .;
 

arch/m68k/kernel/vmlinux-nommu.lds

@@ -61,7 +61,7 @@ SECTIONS {
 
 	_sdata = .;
 	RO_DATA(PAGE_SIZE)
-	RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(16, PAGE_SIZE, THREAD_SIZE)
 	_edata = .;
 
 	EXCEPTION_TABLE(16)

arch/m68k/kernel/vmlinux-std.lds

@@ -33,7 +33,7 @@ SECTIONS
 
   RODATA
 
-  RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE)
+  RW_DATA(16, PAGE_SIZE, THREAD_SIZE)
 
   BSS_SECTION(0, 0, 0)
 

arch/m68k/kernel/vmlinux-sun3.lds

@@ -30,7 +30,7 @@ SECTIONS
 
   EXCEPTION_TABLE(16) :data
   _sdata = .;			/* Start of rw data section */
-  RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE) :data
+  RW_DATA(16, PAGE_SIZE, THREAD_SIZE) :data
   /* End of data goes *here* so that freeing init code works properly. */
   _edata = .;
   NOTES

arch/microblaze/kernel/vmlinux.lds.S

@@ -69,7 +69,7 @@ SECTIONS {
 	}
 
 	_sdata = . ;
-	RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(32, PAGE_SIZE, THREAD_SIZE)
 	_edata = . ;
 
 	/* Under the microblaze ABI, .sdata and .sbss must be contiguous */

arch/nds32/kernel/vmlinux.lds.S

@@ -54,7 +54,7 @@ SECTIONS
 
 	_sdata = .;
 	RO_DATA(PAGE_SIZE)
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	_edata  =  .;
 
 	EXCEPTION_TABLE(16)

arch/nios2/kernel/vmlinux.lds.S

@@ -50,7 +50,7 @@ SECTIONS
 
 	_sdata = .;
 	RO_DATA(PAGE_SIZE)
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	_edata = .;
 
 	BSS_SECTION(0, 0, 0)

arch/openrisc/kernel/vmlinux.lds.S

@@ -74,7 +74,7 @@ SECTIONS
 	/* Whatever comes after _e_kernel_ro had better be page-aligend, too */
 
 	/* 32 here is cacheline size... recheck this */
-	RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE)
+	RW_DATA(32, PAGE_SIZE, PAGE_SIZE)
 
         _edata  =  .;
 

arch/parisc/kernel/vmlinux.lds.S

@@ -148,7 +148,7 @@ SECTIONS
 	data_start = .;
 
 	/* Data */
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, PAGE_SIZE)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, PAGE_SIZE)
 
 	/* PA-RISC locks requires 16-byte alignment */
 	. = ALIGN(16);

arch/riscv/kernel/vmlinux.lds.S

@@ -57,7 +57,7 @@ SECTIONS
 		*(.srodata*)
 	}
 
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	.sdata : {
 		__global_pointer$ = . + 0x800;
 		*(.sdata*)

arch/s390/kernel/vmlinux.lds.S

@@ -67,7 +67,7 @@ SECTIONS
 	. = ALIGN(PAGE_SIZE);
 	__end_ro_after_init = .;
 
-	RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(0x100, PAGE_SIZE, THREAD_SIZE)
 	BOOT_DATA_PRESERVED
 
 	_edata = .;		/* End of data section */

arch/sh/kernel/vmlinux.lds.S

@@ -51,7 +51,7 @@ SECTIONS
 
 	_sdata = .;
 	RO_DATA(PAGE_SIZE)
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	_edata = .;
 
 	DWARF_EH_FRAME

arch/sparc/kernel/vmlinux.lds.S

@@ -67,7 +67,7 @@ SECTIONS
 	.data1 : {
 		*(.data1)
 	}
-	RW_DATA_SECTION(SMP_CACHE_BYTES, 0, THREAD_SIZE)
+	RW_DATA(SMP_CACHE_BYTES, 0, THREAD_SIZE)
 
 	/* End of data section */
 	_edata = .;

arch/unicore32/kernel/vmlinux.lds.S

@@ -44,7 +44,7 @@ SECTIONS
 
 	_sdata = .;
 	RO_DATA(PAGE_SIZE)
-	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	_edata = .;
 
 	EXCEPTION_TABLE(L1_CACHE_BYTES)

arch/xtensa/kernel/vmlinux.lds.S

@@ -134,7 +134,7 @@ SECTIONS
   /* Data section */
 
   _sdata = .;
-  RW_DATA_SECTION(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
+  RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
   _edata = .;
 
   /* Initialization code and data: */

include/asm-generic/vmlinux.lds.h

@@ -24,7 +24,7 @@
  *
  *      _sdata = .;
  *	RO_DATA(PAGE_SIZE)
- *	RW_DATA_SECTION(...)
+ *	RW_DATA(...)
  *	_edata = .;
  *
  *	EXCEPTION_TABLE(...)
@@ -975,7 +975,7 @@
  * matches the requirement of PAGE_ALIGNED_DATA.
  *
  * use 0 as page_align if page_aligned data is not used */
-#define RW_DATA_SECTION(cacheline, pagealigned, inittask)		\
+#define RW_DATA(cacheline, pagealigned, inittask)			\
 	. = ALIGN(PAGE_SIZE);						\
 	.data : AT(ADDR(.data) - LOAD_OFFSET) {				\
 		INIT_TASK_DATA(inittask)				\