| Message ID | 20220414081126.3176820-1-geomatsi@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Delegated to: | BPF |
| Headers | show |
| Series | ARC: bpf: define uapi for BPF_PROG_TYPE_PERF_EVENT program type | expand |
| Context | Check | Description |
|---|---|---|
| bpf/vmtest-bpf-next-VM_Test-1 | fail | Logs for Kernel LATEST on ubuntu-latest + selftests |
| bpf/vmtest-bpf-next-PR | fail | PR summary |
| bpf/vmtest-bpf-next-VM_Test-2 | fail | Logs for Kernel LATEST on z15 + selftests |
| netdev/tree_selection | success | Not a local patch |
On 4/14/22 01:11, Sergey Matyukevich wrote: > From: Sergey Matyukevich <sergey.matyukevich@synopsys.com> > > Define appropriate uapi for the BPF_PROG_TYPE_PERF_EVENT program type > by exporting the user_regs_struct structure instead of the pt_regs > structure that is in-kernel only. > > Signed-off-by: Sergey Matyukevich <sergey.matyukevich@synopsys.com> > --- > > Originally I sent this patch via linux-snps-arc mailing list: see [1]. > However this patch accompanies ARC support for libbpf bpf_tracing.h > accepted to bpf kernel tree: see [2]. > > So it looks like it makes sense to post this patch here as well. > I will also update linux-snps-arc patch series accordingly. > > Regards, > Sergey Applied ! Thx, -Vineet > > [1] https://lore.kernel.org/linux-snps-arc/20220408155804.587197-1-geomatsi@gmail.com/ > [2] https://lore.kernel.org/bpf/20220408224442.599566-1-geomatsi@gmail.com/ > > > arch/arc/include/asm/perf_event.h | 4 ++++ > arch/arc/include/uapi/asm/bpf_perf_event.h | 9 +++++++++ > 2 files changed, 13 insertions(+) > create mode 100644 arch/arc/include/uapi/asm/bpf_perf_event.h > > diff --git a/arch/arc/include/asm/perf_event.h b/arch/arc/include/asm/perf_event.h > index 4c919c0f4b30..d5719a260864 100644 > --- a/arch/arc/include/asm/perf_event.h > +++ b/arch/arc/include/asm/perf_event.h > @@ -63,4 +63,8 @@ struct arc_reg_cc_build { > > #define PERF_COUNT_ARC_HW_MAX (PERF_COUNT_HW_MAX + 8) > > +#ifdef CONFIG_PERF_EVENTS > +#define perf_arch_bpf_user_pt_regs(regs) (struct user_regs_struct *)regs > +#endif > + > #endif /* __ASM_PERF_EVENT_H */ > diff --git a/arch/arc/include/uapi/asm/bpf_perf_event.h b/arch/arc/include/uapi/asm/bpf_perf_event.h > new file mode 100644 > index 000000000000..6cb1c2823288 > --- /dev/null > +++ b/arch/arc/include/uapi/asm/bpf_perf_event.h > @@ -0,0 +1,9 @@ > +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ > +#ifndef _UAPI__ASM_BPF_PERF_EVENT_H__ > +#define _UAPI__ASM_BPF_PERF_EVENT_H__ > + > +#include <asm/ptrace.h> > + > +typedef struct user_regs_struct bpf_user_pt_regs_t; > + > +#endif /* _UAPI__ASM_BPF_PERF_EVENT_H__ */
diff --git a/arch/arc/include/asm/perf_event.h b/arch/arc/include/asm/perf_event.h index 4c919c0f4b30..d5719a260864 100644 --- a/arch/arc/include/asm/perf_event.h +++ b/arch/arc/include/asm/perf_event.h @@ -63,4 +63,8 @@ struct arc_reg_cc_build { #define PERF_COUNT_ARC_HW_MAX (PERF_COUNT_HW_MAX + 8) +#ifdef CONFIG_PERF_EVENTS +#define perf_arch_bpf_user_pt_regs(regs) (struct user_regs_struct *)regs +#endif + #endif /* __ASM_PERF_EVENT_H */ diff --git a/arch/arc/include/uapi/asm/bpf_perf_event.h b/arch/arc/include/uapi/asm/bpf_perf_event.h new file mode 100644 index 000000000000..6cb1c2823288 --- /dev/null +++ b/arch/arc/include/uapi/asm/bpf_perf_event.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI__ASM_BPF_PERF_EVENT_H__ +#define _UAPI__ASM_BPF_PERF_EVENT_H__ + +#include <asm/ptrace.h> + +typedef struct user_regs_struct bpf_user_pt_regs_t; + +#endif /* _UAPI__ASM_BPF_PERF_EVENT_H__ */