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authorRussell King <rmk+kernel@armlinux.org.uk>2018-04-09 12:08:51 +0300
committerRussell King <rmk+kernel@armlinux.org.uk>2018-04-09 12:08:51 +0300
commit9178caf9649d97e976adbfca1f56477befde28f8 (patch)
tree23499ef52864a885e52431839b9a4b6835deb16b /arch/arm
parentb54290e51accea4f696f5dacef8e609d0ccbe54a (diff)
parent5f8d561fb019a3ebe073c019bf5f797f5b06c55e (diff)
downloadlinux-9178caf9649d97e976adbfca1f56477befde28f8.tar.xz
Merge branches 'devel-stable' and 'misc' into for-linus
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/boot/compressed/decompress.c5
-rw-r--r--arch/arm/boot/compressed/misc.c7
-rw-r--r--arch/arm/boot/compressed/misc.h10
-rw-r--r--arch/arm/mm/proc-v7.S11
5 files changed, 29 insertions, 5 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 7e3d53575486..3765336e5ec6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -7,6 +7,7 @@ config ARM
select ARCH_HAS_DEBUG_VIRTUAL if MMU
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_HAS_ELF_RANDOMIZE
+ select ARCH_HAS_FORTIFY_SOURCE
select ARCH_HAS_SET_MEMORY
select ARCH_HAS_PHYS_TO_DMA
select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL
diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c
index a2ac3fe7dbf8..c16c1829a5e4 100644
--- a/arch/arm/boot/compressed/decompress.c
+++ b/arch/arm/boot/compressed/decompress.c
@@ -6,10 +6,7 @@
#include <linux/stddef.h> /* for NULL */
#include <linux/linkage.h>
#include <asm/string.h>
-
-extern unsigned long free_mem_ptr;
-extern unsigned long free_mem_end_ptr;
-extern void error(char *);
+#include "misc.h"
#define STATIC static
#define STATIC_RW_DATA /* non-static please */
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 16a8a804e958..79f56c5a9fe5 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -22,9 +22,9 @@ unsigned int __machine_arch_type;
#include <linux/compiler.h> /* for inline */
#include <linux/types.h>
#include <linux/linkage.h>
+#include "misc.h"
static void putstr(const char *ptr);
-extern void error(char *x);
#include CONFIG_UNCOMPRESS_INCLUDE
@@ -167,3 +167,8 @@ decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p,
else
putstr(" done, booting the kernel.\n");
}
+
+void fortify_panic(const char *name)
+{
+ error("detected buffer overflow");
+}
diff --git a/arch/arm/boot/compressed/misc.h b/arch/arm/boot/compressed/misc.h
new file mode 100644
index 000000000000..c958dccd1d97
--- /dev/null
+++ b/arch/arm/boot/compressed/misc.h
@@ -0,0 +1,10 @@
+#ifndef MISC_H
+#define MISC_H
+
+#include <linux/compiler.h>
+
+void error(char *x) __noreturn;
+extern unsigned long free_mem_ptr;
+extern unsigned long free_mem_end_ptr;
+
+#endif
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index d55d493f9a1e..b528a15f460d 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -272,6 +272,7 @@ ENDPROC(cpu_pj4b_do_resume)
__v7_ca5mp_setup:
__v7_ca9mp_setup:
__v7_cr7mp_setup:
+__v7_cr8mp_setup:
mov r10, #(1 << 0) @ Cache/TLB ops broadcasting
b 1f
__v7_ca7mp_setup:
@@ -642,6 +643,16 @@ __v7_cr7mp_proc_info:
.size __v7_cr7mp_proc_info, . - __v7_cr7mp_proc_info
/*
+ * ARM Ltd. Cortex R8 processor.
+ */
+ .type __v7_cr8mp_proc_info, #object
+__v7_cr8mp_proc_info:
+ .long 0x410fc180
+ .long 0xff0ffff0
+ __v7_proc __v7_cr8mp_proc_info, __v7_cr8mp_setup
+ .size __v7_cr8mp_proc_info, . - __v7_cr8mp_proc_info
+
+ /*
* ARM Ltd. Cortex A7 processor.
*/
.type __v7_ca7mp_proc_info, #object