diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/probes/uprobes/core.c | 2 | ||||
| -rw-r--r-- | arch/mips/kernel/uprobes.c | 2 | ||||
| -rw-r--r-- | arch/s390/Kconfig | 2 | ||||
| -rw-r--r-- | arch/s390/Makefile | 16 | ||||
| -rw-r--r-- | arch/s390/include/asm/ftrace.h | 6 | ||||
| -rw-r--r-- | arch/s390/kernel/ftrace.c | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/mcount.S | 2 |
7 files changed, 18 insertions, 14 deletions
diff --git a/arch/arm/probes/uprobes/core.c b/arch/arm/probes/uprobes/core.c index d1329f1ba4e4..bf992264060e 100644 --- a/arch/arm/probes/uprobes/core.c +++ b/arch/arm/probes/uprobes/core.c @@ -32,7 +32,7 @@ bool is_swbp_insn(uprobe_opcode_t *insn) int set_swbp(struct arch_uprobe *auprobe, struct mm_struct *mm, unsigned long vaddr) { - return uprobe_write_opcode(mm, vaddr, + return uprobe_write_opcode(auprobe, mm, vaddr, __opcode_to_mem_arm(auprobe->bpinsn)); } diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c index f7a0645ccb82..4aaff3b3175c 100644 --- a/arch/mips/kernel/uprobes.c +++ b/arch/mips/kernel/uprobes.c @@ -224,7 +224,7 @@ unsigned long arch_uretprobe_hijack_return_addr( int __weak set_swbp(struct arch_uprobe *auprobe, struct mm_struct *mm, unsigned long vaddr) { - return uprobe_write_opcode(mm, vaddr, UPROBE_SWBP_INSN); + return uprobe_write_opcode(auprobe, mm, vaddr, UPROBE_SWBP_INSN); } void arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr, diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index a6afa60074cb..054b29c9a533 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -135,6 +135,7 @@ config S390 select HAVE_DYNAMIC_FTRACE select HAVE_DYNAMIC_FTRACE_WITH_REGS select HAVE_EFFICIENT_UNALIGNED_ACCESS + select HAVE_FENTRY select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER @@ -157,6 +158,7 @@ config S390 select HAVE_MEMBLOCK_NODE_MAP select HAVE_MEMBLOCK_PHYS_MAP select HAVE_MOD_ARCH_SPECIFIC + select HAVE_NOP_MCOUNT select HAVE_OPROFILE select HAVE_PERF_EVENTS select HAVE_REGS_AND_STACK_ACCESS_API diff --git a/arch/s390/Makefile b/arch/s390/Makefile index eee6703093c3..ba6d122526fb 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -96,13 +96,15 @@ ifdef CONFIG_EXPOLINE endif ifdef CONFIG_FUNCTION_TRACER -# make use of hotpatch feature if the compiler supports it -cc_hotpatch := -mhotpatch=0,3 -ifeq ($(call cc-option-yn,$(cc_hotpatch)),y) -CC_FLAGS_FTRACE := $(cc_hotpatch) -KBUILD_AFLAGS += -DCC_USING_HOTPATCH -KBUILD_CFLAGS += -DCC_USING_HOTPATCH -endif + ifeq ($(call cc-option-yn,-mfentry -mnop-mcount),n) + # make use of hotpatch feature if the compiler supports it + cc_hotpatch := -mhotpatch=0,3 + ifeq ($(call cc-option-yn,$(cc_hotpatch)),y) + CC_FLAGS_FTRACE := $(cc_hotpatch) + KBUILD_AFLAGS += -DCC_USING_HOTPATCH + KBUILD_CFLAGS += -DCC_USING_HOTPATCH + endif + endif endif # Test CFI features of binutils diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h index cfccc0edd00d..8ea270fdc7fb 100644 --- a/arch/s390/include/asm/ftrace.h +++ b/arch/s390/include/asm/ftrace.h @@ -4,7 +4,7 @@ #define ARCH_SUPPORTS_FTRACE_OPS 1 -#ifdef CC_USING_HOTPATCH +#if defined(CC_USING_HOTPATCH) || defined(CC_USING_NOP_MCOUNT) #define MCOUNT_INSN_SIZE 6 #else #define MCOUNT_INSN_SIZE 24 @@ -42,7 +42,7 @@ struct ftrace_insn { static inline void ftrace_generate_nop_insn(struct ftrace_insn *insn) { #ifdef CONFIG_FUNCTION_TRACER -#ifdef CC_USING_HOTPATCH +#if defined(CC_USING_HOTPATCH) || defined(CC_USING_NOP_MCOUNT) /* brcl 0,0 */ insn->opc = 0xc004; insn->disp = 0; @@ -57,7 +57,7 @@ static inline void ftrace_generate_nop_insn(struct ftrace_insn *insn) static inline int is_ftrace_nop(struct ftrace_insn *insn) { #ifdef CONFIG_FUNCTION_TRACER -#ifdef CC_USING_HOTPATCH +#if defined(CC_USING_HOTPATCH) || defined(CC_USING_NOP_MCOUNT) if (insn->disp == 0) return 1; #else diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index dc76d813e420..84be7f02d0c2 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -61,7 +61,7 @@ unsigned long ftrace_plt; static inline void ftrace_generate_orig_insn(struct ftrace_insn *insn) { -#ifdef CC_USING_HOTPATCH +#if defined(CC_USING_HOTPATCH) || defined(CC_USING_NOP_MCOUNT) /* brcl 0,0 */ insn->opc = 0xc004; insn->disp = 0; diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S index 27110f3294ed..e93fbf02490c 100644 --- a/arch/s390/kernel/mcount.S +++ b/arch/s390/kernel/mcount.S @@ -35,7 +35,7 @@ ENTRY(ftrace_caller) .globl ftrace_regs_caller .set ftrace_regs_caller,ftrace_caller lgr %r1,%r15 -#ifndef CC_USING_HOTPATCH +#if !(defined(CC_USING_HOTPATCH) || defined(CC_USING_NOP_MCOUNT)) aghi %r0,MCOUNT_RETURN_FIXUP #endif aghi %r15,-STACK_FRAME_SIZE |