@@ -208,7 +208,7 @@ config PPC
select HAVE_EFFICIENT_UNALIGNED_ACCESS if !(CPU_LITTLE_ENDIAN && POWER7_CPU)
select HAVE_FAST_GUP
select HAVE_FTRACE_MCOUNT_RECORD
- select HAVE_FUNCTION_DESCRIPTORS if PPC64 && !CPU_LITTLE_ENDIAN
+ select HAVE_FUNCTION_DESCRIPTORS if PPC64_ELF_ABI_V1
select HAVE_FUNCTION_ERROR_INJECTION
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
@@ -213,7 +213,7 @@ CHECKFLAGS += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__
ifdef CONFIG_CPU_BIG_ENDIAN
CHECKFLAGS += -D__BIG_ENDIAN__
else
-CHECKFLAGS += -D__LITTLE_ENDIAN__ -D_CALL_ELF=2
+CHECKFLAGS += -D__LITTLE_ENDIAN__
endif
ifdef CONFIG_476FPE_ERR46
@@ -11,14 +11,6 @@
#include <uapi/asm/types.h>
-#ifdef __powerpc64__
-#if defined(_CALL_ELF) && _CALL_ELF == 2
-#define PPC64_ELF_ABI_v2 1
-#else
-#define PPC64_ELF_ABI_v1 1
-#endif
-#endif /* __powerpc64__ */
-
#ifndef __ASSEMBLY__
typedef __vector128 vector128;
@@ -968,11 +968,14 @@ static int fadump_init_elfcore_header(char *bufp)
elf->e_entry = 0;
elf->e_phoff = sizeof(struct elfhdr);
elf->e_shoff = 0;
-#if defined(_CALL_ELF)
- elf->e_flags = _CALL_ELF;
-#else
- elf->e_flags = 0;
-#endif
+
+ if (IS_ENABLED(CONFIG_PPC64_ELF_ABI_V2))
+ elf->e_flags = 2;
+ else if (IS_ENABLED(CONFIG_PPC64_ELF_ABI_V1))
+ elf->e_flags = 1;
+ else
+ elf->e_flags = 0;
+
elf->e_ehsize = sizeof(struct elfhdr);
elf->e_phentsize = sizeof(struct elf_phdr);
elf->e_phnum = 0;
@@ -444,10 +444,4 @@ void __init pt_regs_check(void)
* real registers.
*/
BUILD_BUG_ON(PT_DSCR < sizeof(struct user_pt_regs) / sizeof(unsigned long));
-
-#ifdef CONFIG_PPC64_ELF_ABI_V1
- BUILD_BUG_ON(!IS_ENABLED(CONFIG_HAVE_FUNCTION_DESCRIPTORS));
-#else
- BUILD_BUG_ON(IS_ENABLED(CONFIG_HAVE_FUNCTION_DESCRIPTORS));
-#endif
}
@@ -126,7 +126,7 @@ void bpf_jit_build_prologue(u32 *image, struct codegen_context *ctx)
{
int i;
- if (__is_defined(CONFIG_PPC64_ELF_ABI_V2))
+ if (IS_ENABLED(CONFIG_PPC64_ELF_ABI_V2))
EMIT(PPC_RAW_LD(_R2, _R13, offsetof(struct paca_struct, kernel_toc)));
/*
@@ -266,7 +266,7 @@ static int bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 o
int b2p_index = bpf_to_ppc(BPF_REG_3);
int bpf_tailcall_prologue_size = 8;
- if (__is_defined(CONFIG_PPC64_ELF_ABI_V2))
+ if (IS_ENABLED(CONFIG_PPC64_ELF_ABI_V2))
bpf_tailcall_prologue_size += 4; /* skip past the toc load */
/*
Now that we have CONFIG_PPC64_ELF_ABI_V1 and CONFIG_PPC64_ELF_ABI_V2, get rid of all indirect detection of ABI version. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- arch/powerpc/Kconfig | 2 +- arch/powerpc/Makefile | 2 +- arch/powerpc/include/asm/types.h | 8 -------- arch/powerpc/kernel/fadump.c | 13 ++++++++----- arch/powerpc/kernel/ptrace/ptrace.c | 6 ------ arch/powerpc/net/bpf_jit_comp64.c | 4 ++-- 6 files changed, 12 insertions(+), 23 deletions(-)