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authorKevin Hao <haokexin@gmail.com>2016-07-13 03:14:40 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2016-07-19 12:17:07 +0200
commit27d1149667352772240655b65372a4294f992ea7 (patch)
tree8bf60406e6276da9013902bd4f09b6db3b6c2b89
parentpowerpc: Merge the RELOCATABLE config entries for ppc32 and ppc64 (diff)
downloadlinux-27d1149667352772240655b65372a4294f992ea7.tar.xz
linux-27d1149667352772240655b65372a4294f992ea7.zip
powerpc/32: Remove RELOCATABLE_PPC32
It is seldom used in the kernel code and can be easily replaced by either RELOCATABLE or PPC32. So there is no reason to keep a separate kernel option for this. Signed-off-by: Kevin Hao <haokexin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
-rw-r--r--arch/powerpc/Kconfig4
-rw-r--r--arch/powerpc/include/asm/page.h6
-rw-r--r--arch/powerpc/kernel/Makefile3
-rw-r--r--arch/powerpc/kernel/vmlinux.lds.S2
-rw-r--r--arch/powerpc/mm/init_32.c2
5 files changed, 6 insertions, 11 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index f044782f8c65..9b6d36b87ee1 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -481,10 +481,6 @@ config RELOCATABLE
setting can still be useful to bootwrappers that need to know the
load address of the kernel (eg. u-boot/mkimage).
-config RELOCATABLE_PPC32
- def_bool y
- depends on PPC32 && RELOCATABLE
-
config CRASH_DUMP
bool "Build a kdump crash kernel"
depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP)
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 51db3a37bced..56398e7e6100 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -96,7 +96,7 @@ extern unsigned int HPAGE_SHIFT;
extern phys_addr_t memstart_addr;
extern phys_addr_t kernstart_addr;
-#ifdef CONFIG_RELOCATABLE_PPC32
+#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_PPC32)
extern long long virt_phys_offset;
#endif
@@ -139,9 +139,9 @@ extern long long virt_phys_offset;
* determine MEMORY_START until then. However we can determine PHYSICAL_START
* from information at hand (program counter, TLB lookup).
*
- * On BookE with RELOCATABLE (RELOCATABLE_PPC32)
+ * On BookE with RELOCATABLE && PPC32
*
- * With RELOCATABLE_PPC32, we support loading the kernel at any physical
+ * With RELOCATABLE && PPC32, we support loading the kernel at any physical
* address without any restriction on the page alignment.
*
* We find the runtime address of _stext and relocate ourselves based on
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 9e7bfc322368..fe4c075bcf50 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -42,7 +42,6 @@ obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o
obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o
obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o
-obj64-$(CONFIG_RELOCATABLE) += reloc_64.o
obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o
obj-$(CONFIG_PPC64) += vdso64/
obj-$(CONFIG_ALTIVEC) += vecemu.o
@@ -87,7 +86,7 @@ extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o
extra-$(CONFIG_8xx) := head_8xx.o
extra-y += vmlinux.lds
-obj-$(CONFIG_RELOCATABLE_PPC32) += reloc_32.o
+obj-$(CONFIG_RELOCATABLE) += reloc_$(CONFIG_WORD_SIZE).o
obj-$(CONFIG_PPC32) += entry_32.o setup_32.o
obj-$(CONFIG_PPC64) += dma-iommu.o iommu.o
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 2dd91f79de05..b5fba689fca6 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -165,7 +165,7 @@ SECTIONS
. = ALIGN(8);
.dynsym : AT(ADDR(.dynsym) - LOAD_OFFSET)
{
-#ifdef CONFIG_RELOCATABLE_PPC32
+#ifdef CONFIG_PPC32
__dynamic_symtab = .;
#endif
*(.dynsym)
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index e2d7ba124618..448685fbf27c 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -64,7 +64,7 @@ EXPORT_SYMBOL(memstart_addr);
phys_addr_t kernstart_addr;
EXPORT_SYMBOL(kernstart_addr);
-#ifdef CONFIG_RELOCATABLE_PPC32
+#ifdef CONFIG_RELOCATABLE
/* Used in __va()/__pa() */
long long virt_phys_offset;
EXPORT_SYMBOL(virt_phys_offset);