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SubjectRe: [PATCH] perf tools: Copy uapi/asm/perf_regs.h from the kernel for MIPS
Em Tue, Jun 01, 2021 at 07:53:56PM +0800, Tiezhu Yang escreveu:
> To allow the build to complete on older systems, where those files are
> either not uptodate, lacking some recent additions or not present at
> all.
>
> And check if the copy drifts from the kernel.
>
> This commit is similar with
> commit 12f020338a2c ("tools: Copy uapi/asm/perf_regs.h from the kernel")
>
> With this commit, we can avoid the following build error in any case:
>
> tools/perf/arch/mips/include/perf_regs.h:7:10:
> fatal error: asm/perf_regs.h: No such file or directory
> #include <asm/perf_regs.h>
> ^~~~~~~~~~~~~~~~~
> compilation terminated.

Thanks, applied.

- Arnaldo


> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
> ---
> tools/arch/mips/include/uapi/asm/perf_regs.h | 40 ++++++++++++++++++++++++++++
> tools/perf/Makefile.config | 1 -
> tools/perf/check-headers.sh | 1 +
> 3 files changed, 41 insertions(+), 1 deletion(-)
> create mode 100644 tools/arch/mips/include/uapi/asm/perf_regs.h
>
> diff --git a/tools/arch/mips/include/uapi/asm/perf_regs.h b/tools/arch/mips/include/uapi/asm/perf_regs.h
> new file mode 100644
> index 0000000..d0f4ecd
> --- /dev/null
> +++ b/tools/arch/mips/include/uapi/asm/perf_regs.h
> @@ -0,0 +1,40 @@
> +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
> +#ifndef _ASM_MIPS_PERF_REGS_H
> +#define _ASM_MIPS_PERF_REGS_H
> +
> +enum perf_event_mips_regs {
> + PERF_REG_MIPS_PC,
> + PERF_REG_MIPS_R1,
> + PERF_REG_MIPS_R2,
> + PERF_REG_MIPS_R3,
> + PERF_REG_MIPS_R4,
> + PERF_REG_MIPS_R5,
> + PERF_REG_MIPS_R6,
> + PERF_REG_MIPS_R7,
> + PERF_REG_MIPS_R8,
> + PERF_REG_MIPS_R9,
> + PERF_REG_MIPS_R10,
> + PERF_REG_MIPS_R11,
> + PERF_REG_MIPS_R12,
> + PERF_REG_MIPS_R13,
> + PERF_REG_MIPS_R14,
> + PERF_REG_MIPS_R15,
> + PERF_REG_MIPS_R16,
> + PERF_REG_MIPS_R17,
> + PERF_REG_MIPS_R18,
> + PERF_REG_MIPS_R19,
> + PERF_REG_MIPS_R20,
> + PERF_REG_MIPS_R21,
> + PERF_REG_MIPS_R22,
> + PERF_REG_MIPS_R23,
> + PERF_REG_MIPS_R24,
> + PERF_REG_MIPS_R25,
> + PERF_REG_MIPS_R26,
> + PERF_REG_MIPS_R27,
> + PERF_REG_MIPS_R28,
> + PERF_REG_MIPS_R29,
> + PERF_REG_MIPS_R30,
> + PERF_REG_MIPS_R31,
> + PERF_REG_MIPS_MAX = PERF_REG_MIPS_R31 + 1,
> +};
> +#endif /* _ASM_MIPS_PERF_REGS_H */
> diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
> index 406a951..73df23d 100644
> --- a/tools/perf/Makefile.config
> +++ b/tools/perf/Makefile.config
> @@ -90,7 +90,6 @@ endif
> ifeq ($(ARCH),mips)
> NO_PERF_REGS := 0
> CFLAGS += -I$(OUTPUT)arch/mips/include/generated
> - CFLAGS += -I../../arch/mips/include/uapi -I../../arch/mips/include/generated/uapi
> LIBUNWIND_LIBS = -lunwind -lunwind-mips
> endif
>
> diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
> index dd8ff28..c783558 100755
> --- a/tools/perf/check-headers.sh
> +++ b/tools/perf/check-headers.sh
> @@ -39,6 +39,7 @@ arch/x86/lib/x86-opcode-map.txt
> arch/x86/tools/gen-insn-attr-x86.awk
> arch/arm/include/uapi/asm/perf_regs.h
> arch/arm64/include/uapi/asm/perf_regs.h
> +arch/mips/include/uapi/asm/perf_regs.h
> arch/powerpc/include/uapi/asm/perf_regs.h
> arch/s390/include/uapi/asm/perf_regs.h
> arch/x86/include/uapi/asm/perf_regs.h
> --
> 2.1.0
>

--

- Arnaldo

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