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| author | Hendrik Brueckner <brueckner@linux.vnet.ibm.com> | 2017-12-04 10:56:46 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2017-12-05 15:02:41 +0100 |
| commit | a39cada70268aadff7153e4f782bcd90a5c69d07 (patch) | |
| tree | aede1a4d4d51f33689a95c8e8dbef0afc3d56f06 /arch/arm64 | |
| parent | 466698e654e8931945301ea999feb6bd4bfaf849 (diff) | |
| download | linux-a39cada70268aadff7153e4f782bcd90a5c69d07.tar.gz linux-a39cada70268aadff7153e4f782bcd90a5c69d07.tar.bz2 linux-a39cada70268aadff7153e4f782bcd90a5c69d07.zip | |
arm64/bpf: correct broken uapi for BPF_PROG_TYPE_PERF_EVENT program type
Correct the broken uapi for the BPF_PROG_TYPE_PERF_EVENT program type
by exporting the user_pt_regs structure instead of the pt_regs structure
that is in-kernel only.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/perf_event.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/uapi/asm/bpf_perf_event.h | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/perf_event.h b/arch/arm64/include/asm/perf_event.h index 8d5cbec17d80..f9ccc36d3dc3 100644 --- a/arch/arm64/include/asm/perf_event.h +++ b/arch/arm64/include/asm/perf_event.h @@ -18,6 +18,7 @@ #define __ASM_PERF_EVENT_H #include <asm/stack_pointer.h> +#include <asm/ptrace.h> #define ARMV8_PMU_MAX_COUNTERS 32 #define ARMV8_PMU_COUNTER_MASK (ARMV8_PMU_MAX_COUNTERS - 1) @@ -79,6 +80,7 @@ struct pt_regs; extern unsigned long perf_instruction_pointer(struct pt_regs *regs); extern unsigned long perf_misc_flags(struct pt_regs *regs); #define perf_misc_flags(regs) perf_misc_flags(regs) +#define perf_arch_bpf_user_pt_regs(regs) ®s->user_regs #endif #define perf_arch_fetch_caller_regs(regs, __ip) { \ diff --git a/arch/arm64/include/uapi/asm/bpf_perf_event.h b/arch/arm64/include/uapi/asm/bpf_perf_event.h new file mode 100644 index 000000000000..b551b741653d --- /dev/null +++ b/arch/arm64/include/uapi/asm/bpf_perf_event.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _UAPI__ASM_BPF_PERF_EVENT_H__ +#define _UAPI__ASM_BPF_PERF_EVENT_H__ + +#include <asm/ptrace.h> + +typedef struct user_pt_regs bpf_user_pt_regs_t; + +#endif /* _UAPI__ASM_BPF_PERF_EVENT_H__ */ |