From: "Mi, Dapeng" <dapeng1.mi@linux.intel.com>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
John Garry <john.g.garry@oracle.com>,
Will Deacon <will@kernel.org>,
James Clark <james.clark@linaro.org>,
Mike Leach <mike.leach@linaro.org>, Guo Ren <guoren@kernel.org>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>
Cc: linux-perf-users@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
Zide Chen <zide.chen@intel.com>,
Falcon Thomas <thomas.falcon@intel.com>,
Dapeng Mi <dapeng1.mi@intel.com>,
Xudong Hao <xudong.hao@intel.com>
Subject: Re: [Patch v2 1/3] perf arch: Update arch headers to use relative UAPI paths
Date: Tue, 27 Jan 2026 20:37:48 +0800 [thread overview]
Message-ID: <a97ff1d6-7712-4315-95ff-4079ffc752f7@linux.intel.com> (raw)
In-Reply-To: <20260127070259.2720468-2-dapeng1.mi@linux.intel.com>
On 1/27/2026 3:02 PM, Dapeng Mi wrote:
> The architectural specific headers perf_regs.h currently rely on the
> host architecture's 'asm/perf_regs.h'. This can lead to compilation
> inconsistencies or failures when including and building perf for a
> target architecture that differs from the host's architecture.
>
> Explicitly point to the UAPI headers within the tools source tree using
> relative paths. This ensures that perf is always built against the
> intended architecture.
>
> No functional changes are intended.
>
> Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
> ---
> tools/perf/arch/arm/include/perf_regs.h | 2 +-
> tools/perf/arch/arm64/include/perf_regs.h | 2 +-
> tools/perf/arch/csky/include/perf_regs.h | 1 +
> tools/perf/arch/loongarch/include/perf_regs.h | 2 +-
> tools/perf/arch/mips/include/perf_regs.h | 2 +-
> tools/perf/arch/powerpc/include/perf_regs.h | 2 +-
> tools/perf/arch/riscv/include/perf_regs.h | 2 +-
> tools/perf/arch/s390/include/perf_regs.h | 2 +-
> tools/perf/arch/x86/include/perf_regs.h | 2 +-
> 9 files changed, 9 insertions(+), 8 deletions(-)
>
> diff --git a/tools/perf/arch/arm/include/perf_regs.h b/tools/perf/arch/arm/include/perf_regs.h
> index 75ce1c370114..20c54766e3a0 100644
> --- a/tools/perf/arch/arm/include/perf_regs.h
> +++ b/tools/perf/arch/arm/include/perf_regs.h
> @@ -4,7 +4,7 @@
>
> #include <stdlib.h>
> #include <linux/types.h>
> -#include <asm/perf_regs.h>
> +#include "../../../../arch/arm/include/uapi/asm/perf_regs.h"
>
> void perf_regs_load(u64 *regs);
>
> diff --git a/tools/perf/arch/arm64/include/perf_regs.h b/tools/perf/arch/arm64/include/perf_regs.h
> index 58639ee9f7ea..372f2565a9dd 100644
> --- a/tools/perf/arch/arm64/include/perf_regs.h
> +++ b/tools/perf/arch/arm64/include/perf_regs.h
> @@ -5,7 +5,7 @@
> #include <stdlib.h>
> #include <linux/types.h>
> #define perf_event_arm_regs perf_event_arm64_regs
> -#include <asm/perf_regs.h>
> +#include "../../../../arch/arm64/include/uapi/asm/perf_regs.h"
> #undef perf_event_arm_regs
>
> void perf_regs_load(u64 *regs);
> diff --git a/tools/perf/arch/csky/include/perf_regs.h b/tools/perf/arch/csky/include/perf_regs.h
> index 076c7746c8a2..9520e6aa319e 100644
> --- a/tools/perf/arch/csky/include/perf_regs.h
> +++ b/tools/perf/arch/csky/include/perf_regs.h
> @@ -7,6 +7,7 @@
> #include <stdlib.h>
> #include <linux/types.h>
> #include <asm/perf_regs.h>
Oops, the above line was not removed. Would remove it in next version.
> +#include "../../../../arch/csky/include/uapi/asm/perf_regs.h"
>
> #define PERF_REGS_MASK ((1ULL << PERF_REG_CSKY_MAX) - 1)
> #define PERF_REGS_MAX PERF_REG_CSKY_MAX
> diff --git a/tools/perf/arch/loongarch/include/perf_regs.h b/tools/perf/arch/loongarch/include/perf_regs.h
> index 45c799fa5330..b86078a55e90 100644
> --- a/tools/perf/arch/loongarch/include/perf_regs.h
> +++ b/tools/perf/arch/loongarch/include/perf_regs.h
> @@ -4,7 +4,7 @@
>
> #include <stdlib.h>
> #include <linux/types.h>
> -#include <asm/perf_regs.h>
> +#include "../../../../arch/loongarch/include/uapi/asm/perf_regs.h"
>
> #define PERF_REGS_MAX PERF_REG_LOONGARCH_MAX
>
> diff --git a/tools/perf/arch/mips/include/perf_regs.h b/tools/perf/arch/mips/include/perf_regs.h
> index 7082e91e0ed1..66655f0c4fea 100644
> --- a/tools/perf/arch/mips/include/perf_regs.h
> +++ b/tools/perf/arch/mips/include/perf_regs.h
> @@ -4,7 +4,7 @@
>
> #include <stdlib.h>
> #include <linux/types.h>
> -#include <asm/perf_regs.h>
> +#include "../../../../arch/mips/include/uapi/asm/perf_regs.h"
>
> #define PERF_REGS_MAX PERF_REG_MIPS_MAX
>
> diff --git a/tools/perf/arch/powerpc/include/perf_regs.h b/tools/perf/arch/powerpc/include/perf_regs.h
> index 1c66f6ba6773..22b492a3dd58 100644
> --- a/tools/perf/arch/powerpc/include/perf_regs.h
> +++ b/tools/perf/arch/powerpc/include/perf_regs.h
> @@ -4,7 +4,7 @@
>
> #include <stdlib.h>
> #include <linux/types.h>
> -#include <asm/perf_regs.h>
> +#include "../../../../arch/powerpc/include/uapi/asm/perf_regs.h"
>
> void perf_regs_load(u64 *regs);
>
> diff --git a/tools/perf/arch/riscv/include/perf_regs.h b/tools/perf/arch/riscv/include/perf_regs.h
> index d482edb413e5..89d5bbb8d2b8 100644
> --- a/tools/perf/arch/riscv/include/perf_regs.h
> +++ b/tools/perf/arch/riscv/include/perf_regs.h
> @@ -6,7 +6,7 @@
>
> #include <stdlib.h>
> #include <linux/types.h>
> -#include <asm/perf_regs.h>
> +#include "../../../../arch/riscv/include/uapi/asm/perf_regs.h"
>
> #define PERF_REGS_MASK ((1ULL << PERF_REG_RISCV_MAX) - 1)
> #define PERF_REGS_MAX PERF_REG_RISCV_MAX
> diff --git a/tools/perf/arch/s390/include/perf_regs.h b/tools/perf/arch/s390/include/perf_regs.h
> index 130dfad2b96a..9c95589965fe 100644
> --- a/tools/perf/arch/s390/include/perf_regs.h
> +++ b/tools/perf/arch/s390/include/perf_regs.h
> @@ -3,7 +3,7 @@
>
> #include <stdlib.h>
> #include <linux/types.h>
> -#include <asm/perf_regs.h>
> +#include "../../../../arch/s390/include/uapi/asm/perf_regs.h"
>
> void perf_regs_load(u64 *regs);
>
> diff --git a/tools/perf/arch/x86/include/perf_regs.h b/tools/perf/arch/x86/include/perf_regs.h
> index f209ce2c1dd9..5495e5ca7cdc 100644
> --- a/tools/perf/arch/x86/include/perf_regs.h
> +++ b/tools/perf/arch/x86/include/perf_regs.h
> @@ -4,7 +4,7 @@
>
> #include <stdlib.h>
> #include <linux/types.h>
> -#include <asm/perf_regs.h>
> +#include "../../../../arch/x86/include/uapi/asm/perf_regs.h"
>
> void perf_regs_load(u64 *regs);
>
next prev parent reply other threads:[~2026-01-27 12:38 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-27 7:02 [Patch v2 0/3] Perf tools: remove arch-specific __weak Dapeng Mi
2026-01-27 7:02 ` [Patch v2 1/3] perf arch: Update arch headers to use relative UAPI paths Dapeng Mi
2026-01-27 12:37 ` Mi, Dapeng [this message]
2026-01-27 16:11 ` Ian Rogers
2026-01-27 7:02 ` [Patch v2 2/3] perf regs: Remove __weak attributive arch__xxx_reg_mask() functions Dapeng Mi
2026-01-27 16:46 ` Ian Rogers
2026-01-28 2:03 ` Mi, Dapeng
2026-01-28 7:32 ` Ian Rogers
2026-01-28 8:04 ` Mi, Dapeng
2026-01-27 7:02 ` [Patch v2 3/3] perf regs: Remove __weak attributive arch_sdt_arg_parse_op() function Dapeng Mi
2026-01-27 16:54 ` Ian Rogers
2026-01-28 2:09 ` Mi, Dapeng
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