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Message-Id: <20190926175602.33098-13-keescook@chromium.org>
Date: Thu, 26 Sep 2019 10:55:45 -0700
From: Kees Cook <keescook@...omium.org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Kees Cook <keescook@...omium.org>,
Rick Edgecombe <rick.p.edgecombe@...el.com>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
"H. Peter Anvin" <hpa@...or.com>,
Dave Hansen <dave.hansen@...ux.intel.com>,
Andy Lutomirski <luto@...nel.org>,
Arnd Bergmann <arnd@...db.de>, linux-arch@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, linux-alpha@...r.kernel.org,
linux-ia64@...r.kernel.org, linux-s390@...r.kernel.org,
linux-c6x-dev@...ux-c6x.org,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Michal Simek <monstr@...str.eu>, linux-parisc@...r.kernel.org,
linux-xtensa@...ux-xtensa.org, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 12/29] vmlinux.lds.h: Replace RO_DATA_SECTION with RO_DATA
This finishes renaming RO_DATA_SECTION to RO_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@...omium.org>
---
arch/arc/kernel/vmlinux.lds.S | 2 +-
arch/c6x/kernel/vmlinux.lds.S | 2 +-
arch/csky/kernel/vmlinux.lds.S | 2 +-
arch/h8300/kernel/vmlinux.lds.S | 2 +-
arch/hexagon/kernel/vmlinux.lds.S | 2 +-
arch/m68k/kernel/vmlinux-nommu.lds | 2 +-
arch/nds32/kernel/vmlinux.lds.S | 2 +-
arch/nios2/kernel/vmlinux.lds.S | 2 +-
arch/openrisc/kernel/vmlinux.lds.S | 4 ++--
arch/parisc/kernel/vmlinux.lds.S | 4 ++--
arch/riscv/kernel/vmlinux.lds.S | 2 +-
arch/s390/kernel/vmlinux.lds.S | 2 +-
arch/unicore32/kernel/vmlinux.lds.S | 2 +-
include/asm-generic/vmlinux.lds.h | 7 ++-----
14 files changed, 17 insertions(+), 20 deletions(-)
diff --git a/arch/arc/kernel/vmlinux.lds.S b/arch/arc/kernel/vmlinux.lds.S
index 1d6eef4b6976..7d1d27066deb 100644
--- a/arch/arc/kernel/vmlinux.lds.S
+++ b/arch/arc/kernel/vmlinux.lds.S
@@ -95,7 +95,7 @@ SECTIONS
_etext = .;
_sdata = .;
- RO_DATA_SECTION(PAGE_SIZE)
+ RO_DATA(PAGE_SIZE)
/*
* 1. this is .data essentially
diff --git a/arch/c6x/kernel/vmlinux.lds.S b/arch/c6x/kernel/vmlinux.lds.S
index d6e3802536b3..a3547f9d415b 100644
--- a/arch/c6x/kernel/vmlinux.lds.S
+++ b/arch/c6x/kernel/vmlinux.lds.S
@@ -82,7 +82,7 @@ SECTIONS
EXCEPTION_TABLE(16)
- RO_DATA_SECTION(PAGE_SIZE)
+ RO_DATA(PAGE_SIZE)
.const :
{
*(.const .const.* .gnu.linkonce.r.*)
diff --git a/arch/csky/kernel/vmlinux.lds.S b/arch/csky/kernel/vmlinux.lds.S
index 75dd31412242..8598bd7a7bcd 100644
--- a/arch/csky/kernel/vmlinux.lds.S
+++ b/arch/csky/kernel/vmlinux.lds.S
@@ -49,7 +49,7 @@ SECTIONS
_sdata = .;
- RO_DATA_SECTION(PAGE_SIZE)
+ RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .;
diff --git a/arch/h8300/kernel/vmlinux.lds.S b/arch/h8300/kernel/vmlinux.lds.S
index 88776e785245..d3247d33b115 100644
--- a/arch/h8300/kernel/vmlinux.lds.S
+++ b/arch/h8300/kernel/vmlinux.lds.S
@@ -38,7 +38,7 @@ SECTIONS
_etext = . ;
}
EXCEPTION_TABLE(16)
- RO_DATA_SECTION(4)
+ RO_DATA(4)
ROMEND = .;
#if defined(CONFIG_ROMKERNEL)
. = RAMTOP;
diff --git a/arch/hexagon/kernel/vmlinux.lds.S b/arch/hexagon/kernel/vmlinux.lds.S
index 6a6e8fc422ee..0145251fa317 100644
--- a/arch/hexagon/kernel/vmlinux.lds.S
+++ b/arch/hexagon/kernel/vmlinux.lds.S
@@ -50,7 +50,7 @@ SECTIONS
_sdata = .;
RW_DATA_SECTION(32,PAGE_SIZE,_THREAD_SIZE)
- RO_DATA_SECTION(PAGE_SIZE)
+ RO_DATA(PAGE_SIZE)
_edata = .;
EXCEPTION_TABLE(16)
diff --git a/arch/m68k/kernel/vmlinux-nommu.lds b/arch/m68k/kernel/vmlinux-nommu.lds
index cf6edda38971..de80f8b8ae78 100644
--- a/arch/m68k/kernel/vmlinux-nommu.lds
+++ b/arch/m68k/kernel/vmlinux-nommu.lds
@@ -60,7 +60,7 @@ SECTIONS {
#endif
_sdata = .;
- RO_DATA_SECTION(PAGE_SIZE)
+ RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE)
_edata = .;
diff --git a/arch/nds32/kernel/vmlinux.lds.S b/arch/nds32/kernel/vmlinux.lds.S
index c4f1c5a604c3..10ff570ba95b 100644
--- a/arch/nds32/kernel/vmlinux.lds.S
+++ b/arch/nds32/kernel/vmlinux.lds.S
@@ -53,7 +53,7 @@ SECTIONS
_etext = .; /* End of text and rodata section */
_sdata = .;
- RO_DATA_SECTION(PAGE_SIZE)
+ RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .;
diff --git a/arch/nios2/kernel/vmlinux.lds.S b/arch/nios2/kernel/vmlinux.lds.S
index 20e4078b3477..318804a2c7a1 100644
--- a/arch/nios2/kernel/vmlinux.lds.S
+++ b/arch/nios2/kernel/vmlinux.lds.S
@@ -49,7 +49,7 @@ SECTIONS
__init_end = .;
_sdata = .;
- RO_DATA_SECTION(PAGE_SIZE)
+ RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .;
diff --git a/arch/openrisc/kernel/vmlinux.lds.S b/arch/openrisc/kernel/vmlinux.lds.S
index 142c51c994f5..f73e0d3ea09f 100644
--- a/arch/openrisc/kernel/vmlinux.lds.S
+++ b/arch/openrisc/kernel/vmlinux.lds.S
@@ -67,8 +67,8 @@ SECTIONS
_sdata = .;
- /* Page alignment required for RO_DATA_SECTION */
- RO_DATA_SECTION(PAGE_SIZE)
+ /* Page alignment required for RO_DATA */
+ RO_DATA(PAGE_SIZE)
_e_kernel_ro = .;
/* Whatever comes after _e_kernel_ro had better be page-aligend, too */
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index 168d12b2ebb8..e1c563c7dca1 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -109,7 +109,7 @@ SECTIONS
_sdata = .;
/* Architecturally we need to keep __gp below 0x1000000 and thus
- * in front of RO_DATA_SECTION() which stores lots of tracepoint
+ * in front of RO_DATA() which stores lots of tracepoint
* and ftrace symbols. */
#ifdef CONFIG_64BIT
. = ALIGN(16);
@@ -127,7 +127,7 @@ SECTIONS
}
#endif
- RO_DATA_SECTION(8)
+ RO_DATA(8)
/* RO because of BUILDTIME_EXTABLE_SORT */
EXCEPTION_TABLE(8)
diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S
index df5229c4034d..66dc17d24dd9 100644
--- a/arch/riscv/kernel/vmlinux.lds.S
+++ b/arch/riscv/kernel/vmlinux.lds.S
@@ -52,7 +52,7 @@ SECTIONS
/* Start of data section */
_sdata = .;
- RO_DATA_SECTION(L1_CACHE_BYTES)
+ RO_DATA(L1_CACHE_BYTES)
.srodata : {
*(.srodata*)
}
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index beb4df053e20..b33c4823f8b5 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -52,7 +52,7 @@ SECTIONS
_etext = .; /* End of text section */
} :text = 0x0700
- RO_DATA_SECTION(PAGE_SIZE)
+ RO_DATA(PAGE_SIZE)
. = ALIGN(PAGE_SIZE);
_sdata = .; /* Start of data section */
diff --git a/arch/unicore32/kernel/vmlinux.lds.S b/arch/unicore32/kernel/vmlinux.lds.S
index 78c4c56057b0..367c80313bec 100644
--- a/arch/unicore32/kernel/vmlinux.lds.S
+++ b/arch/unicore32/kernel/vmlinux.lds.S
@@ -43,7 +43,7 @@ SECTIONS
_etext = .;
_sdata = .;
- RO_DATA_SECTION(PAGE_SIZE)
+ RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .;
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 9520dede6c7a..cdff8ba42d4d 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -23,7 +23,7 @@
* _etext = .;
*
* _sdata = .;
- * RO_DATA_SECTION(PAGE_SIZE)
+ * RO_DATA(PAGE_SIZE)
* RW_DATA_SECTION(...)
* _edata = .;
*
@@ -358,7 +358,7 @@
/*
* Read only Data
*/
-#define RO_DATA_SECTION(align) \
+#define RO_DATA(align) \
. = ALIGN((align)); \
.rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
__start_rodata = .; \
@@ -513,9 +513,6 @@
. = ALIGN((align)); \
__end_rodata = .;
-/* All archs are supposed to use RO_DATA() */
-#define RO_DATA(align) RO_DATA_SECTION(align)
-
/*
* .text section. Map to function alignment to avoid address changes
* during second ld run in second ld pass when generating System.map
--
2.17.1
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