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vmlinux.lds.h: Replace RW_DATA_SECTION with RW_DATA

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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
This commit is contained in:
Kees Cook 2019-10-29 14:13:35 -07:00 committed by Borislav Petkov
parent 93240b3279
commit c9174047b4
23 changed files with 24 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/alpha/kernel/vmlinux.lds.S
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@ -50,7 +50,7 @@ SECTIONS
_sdata = .; /* Start of rw data section */ _sdata = .; /* Start of rw data section */
_data = .; _data = .;
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
.got : { .got : {
*(.got) *(.got)

2
arch/arc/kernel/vmlinux.lds.S
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@ -101,7 +101,7 @@ SECTIONS
* 1. this is .data essentially * 1. this is .data essentially
* 2. THREAD_SIZE for init.task, must be kernel-stk sz aligned * 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 = .; _edata = .;

2
arch/arm/kernel/vmlinux-xip.lds.S
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@ -112,7 +112,7 @@ SECTIONS
. = ALIGN(THREAD_SIZE); . = ALIGN(THREAD_SIZE);
_sdata = .; _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 : AT(ADDR(.data.ro_after_init) - LOAD_OFFSET) {
*(.data..ro_after_init) *(.data..ro_after_init)
} }

2
arch/arm/kernel/vmlinux.lds.S
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@ -141,7 +141,7 @@ SECTIONS
__init_end = .; __init_end = .;
_sdata = .; _sdata = .;
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .; _edata = .;
BSS_SECTION(0, 0, 0) BSS_SECTION(0, 0, 0)

2
arch/arm64/kernel/vmlinux.lds.S
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@ -214,7 +214,7 @@ SECTIONS
_data = .; _data = .;
_sdata = .; _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 * Data written with the MMU off but read with the MMU on requires

2
arch/csky/kernel/vmlinux.lds.S
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@ -50,7 +50,7 @@ SECTIONS
_sdata = .; _sdata = .;
RO_DATA(PAGE_SIZE) RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .; _edata = .;
EXCEPTION_TABLE(L1_CACHE_BYTES) EXCEPTION_TABLE(L1_CACHE_BYTES)

2
arch/h8300/kernel/vmlinux.lds.S
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@ -47,7 +47,7 @@ SECTIONS
#endif #endif
_sdata = . ; _sdata = . ;
__data_start = . ; __data_start = . ;
RW_DATA_SECTION(0, PAGE_SIZE, THREAD_SIZE) RW_DATA(0, PAGE_SIZE, THREAD_SIZE)
#if defined(CONFIG_ROMKERNEL) #if defined(CONFIG_ROMKERNEL)
#undef ADDR #undef ADDR
#endif #endif

2
arch/hexagon/kernel/vmlinux.lds.S
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@ -49,7 +49,7 @@ SECTIONS
INIT_DATA_SECTION(PAGE_SIZE) INIT_DATA_SECTION(PAGE_SIZE)
_sdata = .; _sdata = .;
RW_DATA_SECTION(32,PAGE_SIZE,_THREAD_SIZE) RW_DATA(32,PAGE_SIZE,_THREAD_SIZE)
RO_DATA(PAGE_SIZE) RO_DATA(PAGE_SIZE)
_edata = .; _edata = .;

2
arch/m68k/kernel/vmlinux-nommu.lds
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@ -61,7 +61,7 @@ SECTIONS {
_sdata = .; _sdata = .;
RO_DATA(PAGE_SIZE) RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE) RW_DATA(16, PAGE_SIZE, THREAD_SIZE)
_edata = .; _edata = .;
EXCEPTION_TABLE(16) EXCEPTION_TABLE(16)

2
arch/m68k/kernel/vmlinux-std.lds
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@ -33,7 +33,7 @@ SECTIONS
RODATA RODATA
RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE) RW_DATA(16, PAGE_SIZE, THREAD_SIZE)
BSS_SECTION(0, 0, 0) BSS_SECTION(0, 0, 0)

2
arch/m68k/kernel/vmlinux-sun3.lds
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@ -30,7 +30,7 @@ SECTIONS
EXCEPTION_TABLE(16) :data EXCEPTION_TABLE(16) :data
_sdata = .; /* Start of rw data section */ _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. */ /* End of data goes *here* so that freeing init code works properly. */
_edata = .; _edata = .;
NOTES NOTES

2
arch/microblaze/kernel/vmlinux.lds.S
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@ -69,7 +69,7 @@ SECTIONS {
} }
_sdata = . ; _sdata = . ;
RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE) RW_DATA(32, PAGE_SIZE, THREAD_SIZE)
_edata = . ; _edata = . ;
/* Under the microblaze ABI, .sdata and .sbss must be contiguous */ /* Under the microblaze ABI, .sdata and .sbss must be contiguous */

2
arch/nds32/kernel/vmlinux.lds.S
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@ -54,7 +54,7 @@ SECTIONS
_sdata = .; _sdata = .;
RO_DATA(PAGE_SIZE) RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .; _edata = .;
EXCEPTION_TABLE(16) EXCEPTION_TABLE(16)

2
arch/nios2/kernel/vmlinux.lds.S
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@ -50,7 +50,7 @@ SECTIONS
_sdata = .; _sdata = .;
RO_DATA(PAGE_SIZE) RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .; _edata = .;
BSS_SECTION(0, 0, 0) BSS_SECTION(0, 0, 0)

2
arch/openrisc/kernel/vmlinux.lds.S
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@ -74,7 +74,7 @@ SECTIONS
/* Whatever comes after _e_kernel_ro had better be page-aligend, too */ /* Whatever comes after _e_kernel_ro had better be page-aligend, too */
/* 32 here is cacheline size... recheck this */ /* 32 here is cacheline size... recheck this */
RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE) RW_DATA(32, PAGE_SIZE, PAGE_SIZE)
_edata = .; _edata = .;

2
arch/parisc/kernel/vmlinux.lds.S
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@ -148,7 +148,7 @@ SECTIONS
data_start = .; data_start = .;
/* Data */ /* 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 */ /* PA-RISC locks requires 16-byte alignment */
. = ALIGN(16); . = ALIGN(16);

2
arch/riscv/kernel/vmlinux.lds.S
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@ -57,7 +57,7 @@ SECTIONS
*(.srodata*) *(.srodata*)
} }
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
.sdata : { .sdata : {
__global_pointer$ = . + 0x800; __global_pointer$ = . + 0x800;
*(.sdata*) *(.sdata*)

2
arch/s390/kernel/vmlinux.lds.S
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@ -67,7 +67,7 @@ SECTIONS
. = ALIGN(PAGE_SIZE); . = ALIGN(PAGE_SIZE);
__end_ro_after_init = .; __end_ro_after_init = .;
RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE) RW_DATA(0x100, PAGE_SIZE, THREAD_SIZE)
BOOT_DATA_PRESERVED BOOT_DATA_PRESERVED
_edata = .; /* End of data section */ _edata = .; /* End of data section */

2
arch/sh/kernel/vmlinux.lds.S
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@ -51,7 +51,7 @@ SECTIONS
_sdata = .; _sdata = .;
RO_DATA(PAGE_SIZE) RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .; _edata = .;
DWARF_EH_FRAME DWARF_EH_FRAME

2
arch/sparc/kernel/vmlinux.lds.S
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@ -67,7 +67,7 @@ SECTIONS
.data1 : { .data1 : {
*(.data1) *(.data1)
} }
RW_DATA_SECTION(SMP_CACHE_BYTES, 0, THREAD_SIZE) RW_DATA(SMP_CACHE_BYTES, 0, THREAD_SIZE)
/* End of data section */ /* End of data section */
_edata = .; _edata = .;

2
arch/unicore32/kernel/vmlinux.lds.S
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@ -44,7 +44,7 @@ SECTIONS
_sdata = .; _sdata = .;
RO_DATA(PAGE_SIZE) RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .; _edata = .;
EXCEPTION_TABLE(L1_CACHE_BYTES) EXCEPTION_TABLE(L1_CACHE_BYTES)

2
arch/xtensa/kernel/vmlinux.lds.S
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@ -134,7 +134,7 @@ SECTIONS
/* Data section */ /* Data section */
_sdata = .; _sdata = .;
RW_DATA_SECTION(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE) RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
_edata = .; _edata = .;
/* Initialization code and data: */ /* Initialization code and data: */

4
include/asm-generic/vmlinux.lds.h
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@ -24,7 +24,7 @@
* *
* _sdata = .; * _sdata = .;
* RO_DATA(PAGE_SIZE) * RO_DATA(PAGE_SIZE)
* RW_DATA_SECTION(...) * RW_DATA(...)
* _edata = .; * _edata = .;
* *
* EXCEPTION_TABLE(...) * EXCEPTION_TABLE(...)
@ -975,7 +975,7 @@
* matches the requirement of PAGE_ALIGNED_DATA. * matches the requirement of PAGE_ALIGNED_DATA.
* *
* use 0 as page_align if page_aligned data is not used */ * 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); \ . = ALIGN(PAGE_SIZE); \
.data : AT(ADDR(.data) - LOAD_OFFSET) { \ .data : AT(ADDR(.data) - LOAD_OFFSET) { \
INIT_TASK_DATA(inittask) \ INIT_TASK_DATA(inittask) \