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-rw-r--r--arch/powerpc/include/asm/sections.h2
-rw-r--r--arch/powerpc/include/asm/synch.h1
-rw-r--r--arch/powerpc/kernel/kvm.c1
-rw-r--r--arch/powerpc/kernel/setup_32.c2
-rw-r--r--arch/powerpc/kernel/setup_64.c1
-rw-r--r--arch/powerpc/lib/feature-fixups.c23
6 files changed, 28 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index 6fbce725c710..a0f358d4a00c 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -8,7 +8,7 @@
#ifdef __powerpc64__
-extern char _end[];
+extern char __end_interrupts[];
static inline int in_kernel_text(unsigned long addr)
{
diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h
index d7cab44643c5..87878c68d1c2 100644
--- a/arch/powerpc/include/asm/synch.h
+++ b/arch/powerpc/include/asm/synch.h
@@ -13,6 +13,7 @@
extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
extern void do_lwsync_fixups(unsigned long value, void *fixup_start,
void *fixup_end);
+extern void do_final_fixups(void);
static inline void eieio(void)
{
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index 35f27646c4ff..2985338d0e10 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -132,7 +132,6 @@ static void kvm_patch_ins_b(u32 *inst, int addr)
/* On relocatable kernels interrupts handlers and our code
can be in different regions, so we don't patch them */
- extern u32 __end_interrupts;
if ((ulong)inst < (ulong)&__end_interrupts)
return;
#endif
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index c1ce86357ecb..ac7610815113 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -107,6 +107,8 @@ notrace unsigned long __init early_init(unsigned long dt_ptr)
PTRRELOC(&__start___lwsync_fixup),
PTRRELOC(&__stop___lwsync_fixup));
+ do_final_fixups();
+
return KERNELBASE + offset;
}
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 1a9dea80a69b..fb9bb46e7e88 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -359,6 +359,7 @@ void __init setup_system(void)
&__start___fw_ftr_fixup, &__stop___fw_ftr_fixup);
do_lwsync_fixups(cur_cpu_spec->cpu_features,
&__start___lwsync_fixup, &__stop___lwsync_fixup);
+ do_final_fixups();
/*
* Unflatten the device-tree passed by prom_init or kexec
diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c
index 0d08d0171392..7a8a7487cee8 100644
--- a/arch/powerpc/lib/feature-fixups.c
+++ b/arch/powerpc/lib/feature-fixups.c
@@ -18,6 +18,8 @@
#include <linux/init.h>
#include <asm/cputable.h>
#include <asm/code-patching.h>
+#include <asm/page.h>
+#include <asm/sections.h>
struct fixup_entry {
@@ -128,6 +130,27 @@ void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end)
}
}
+void do_final_fixups(void)
+{
+#if defined(CONFIG_PPC64) && defined(CONFIG_RELOCATABLE)
+ int *src, *dest;
+ unsigned long length;
+
+ if (PHYSICAL_START == 0)
+ return;
+
+ src = (int *)(KERNELBASE + PHYSICAL_START);
+ dest = (int *)KERNELBASE;
+ length = (__end_interrupts - _stext) / sizeof(int);
+
+ while (length--) {
+ patch_instruction(dest, *src);
+ src++;
+ dest++;
+ }
+#endif
+}
+
#ifdef CONFIG_FTR_FIXUP_SELFTEST
#define check(x) \