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Gunderson" , "Dr. David Alan Gilbert" , Chen Pei , Dima Kogan , Przemek Kitszel , "David S. Miller" , Alexander Lobakin , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-riscv@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241016_172620_463165_EA7CC5B3 X-CRM114-Status: GOOD ( 16.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org PERF_HAVE_DWARF_REGS was true when an architecture had a dwarf-regs.c file. There are no more architecture dwarf-regs.c files, selection is done using constants from the ELF file rather than conditional compilation. When removing PERF_HAVE_DWARF_REGS was the only variable in the Makefile, remove the Makefile. Add missing SPDX for RISC-V Makefile. Signed-off-by: Ian Rogers --- tools/perf/Makefile.config | 13 ++++--------- tools/perf/arch/arm/Makefile | 3 --- tools/perf/arch/arm64/Makefile | 3 --- tools/perf/arch/csky/Makefile | 4 ---- tools/perf/arch/loongarch/Makefile | 3 --- tools/perf/arch/mips/Makefile | 4 ---- tools/perf/arch/powerpc/Makefile | 4 ---- tools/perf/arch/riscv/Makefile | 4 +--- tools/perf/arch/s390/Makefile | 3 --- tools/perf/arch/sh/Makefile | 4 ---- tools/perf/arch/sparc/Makefile | 4 ---- tools/perf/arch/x86/Makefile | 3 --- tools/perf/arch/xtensa/Makefile | 4 ---- 13 files changed, 5 insertions(+), 51 deletions(-) delete mode 100644 tools/perf/arch/csky/Makefile delete mode 100644 tools/perf/arch/sh/Makefile delete mode 100644 tools/perf/arch/xtensa/Makefile diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 1d3f7dcc6b66..87dae64c0501 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -551,15 +551,10 @@ ifndef NO_LIBELF endif ifndef NO_LIBDW - ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) - $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled) - NO_LIBDW := 1 - else - CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) - LDFLAGS += $(LIBDW_LDFLAGS) - EXTLIBS += ${DWARFLIBS} - $(call detected,CONFIG_LIBDW) - endif # PERF_HAVE_DWARF_REGS + CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) + LDFLAGS += $(LIBDW_LDFLAGS) + EXTLIBS += ${DWARFLIBS} + $(call detected,CONFIG_LIBDW) endif # NO_LIBDW ifndef NO_LIBBPF diff --git a/tools/perf/arch/arm/Makefile b/tools/perf/arch/arm/Makefile index 9b164d379548..8b59ce8efb89 100644 --- a/tools/perf/arch/arm/Makefile +++ b/tools/perf/arch/arm/Makefile @@ -1,5 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif PERF_HAVE_JITDUMP := 1 diff --git a/tools/perf/arch/arm64/Makefile b/tools/perf/arch/arm64/Makefile index ca2e35961287..91570d5d428e 100644 --- a/tools/perf/arch/arm64/Makefile +++ b/tools/perf/arch/arm64/Makefile @@ -1,7 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif PERF_HAVE_JITDUMP := 1 HAVE_KVM_STAT_SUPPORT := 1 diff --git a/tools/perf/arch/csky/Makefile b/tools/perf/arch/csky/Makefile deleted file mode 100644 index 119b06a64bed..000000000000 --- a/tools/perf/arch/csky/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif diff --git a/tools/perf/arch/loongarch/Makefile b/tools/perf/arch/loongarch/Makefile index 79b432744296..52544d59245b 100644 --- a/tools/perf/arch/loongarch/Makefile +++ b/tools/perf/arch/loongarch/Makefile @@ -1,7 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif PERF_HAVE_JITDUMP := 1 HAVE_KVM_STAT_SUPPORT := 1 diff --git a/tools/perf/arch/mips/Makefile b/tools/perf/arch/mips/Makefile index 733f7b76f52d..827168f1077a 100644 --- a/tools/perf/arch/mips/Makefile +++ b/tools/perf/arch/mips/Makefile @@ -1,8 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif - # Syscall table generation for perf out := $(OUTPUT)arch/mips/include/generated/asm header := $(out)/syscalls_n64.c diff --git a/tools/perf/arch/powerpc/Makefile b/tools/perf/arch/powerpc/Makefile index ae05727835d8..dc8f4fb8e324 100644 --- a/tools/perf/arch/powerpc/Makefile +++ b/tools/perf/arch/powerpc/Makefile @@ -1,8 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif - HAVE_KVM_STAT_SUPPORT := 1 PERF_HAVE_JITDUMP := 1 diff --git a/tools/perf/arch/riscv/Makefile b/tools/perf/arch/riscv/Makefile index f01ab2171fd0..087e099fb453 100644 --- a/tools/perf/arch/riscv/Makefile +++ b/tools/perf/arch/riscv/Makefile @@ -1,5 +1,3 @@ -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif +# SPDX-License-Identifier: GPL-2.0 PERF_HAVE_JITDUMP := 1 HAVE_KVM_STAT_SUPPORT := 1 diff --git a/tools/perf/arch/s390/Makefile b/tools/perf/arch/s390/Makefile index 58e79f5b67a4..c431c21b11ef 100644 --- a/tools/perf/arch/s390/Makefile +++ b/tools/perf/arch/s390/Makefile @@ -1,7 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif HAVE_KVM_STAT_SUPPORT := 1 PERF_HAVE_JITDUMP := 1 diff --git a/tools/perf/arch/sh/Makefile b/tools/perf/arch/sh/Makefile deleted file mode 100644 index 119b06a64bed..000000000000 --- a/tools/perf/arch/sh/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif diff --git a/tools/perf/arch/sparc/Makefile b/tools/perf/arch/sparc/Makefile index 7741184894c8..8b59ce8efb89 100644 --- a/tools/perf/arch/sparc/Makefile +++ b/tools/perf/arch/sparc/Makefile @@ -1,6 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif - PERF_HAVE_JITDUMP := 1 diff --git a/tools/perf/arch/x86/Makefile b/tools/perf/arch/x86/Makefile index 51cf267f4d85..a6b6e0a9308a 100644 --- a/tools/perf/arch/x86/Makefile +++ b/tools/perf/arch/x86/Makefile @@ -1,7 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif HAVE_KVM_STAT_SUPPORT := 1 PERF_HAVE_JITDUMP := 1 diff --git a/tools/perf/arch/xtensa/Makefile b/tools/perf/arch/xtensa/Makefile deleted file mode 100644 index 119b06a64bed..000000000000 --- a/tools/perf/arch/xtensa/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -ifndef NO_LIBDW -PERF_HAVE_DWARF_REGS := 1 -endif