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Fri, 16 Jan 2026 21:29:37 -0800 (PST) Date: Fri, 16 Jan 2026 21:28:36 -0800 In-Reply-To: <20260117052849.2205545-1-irogers@google.com> Mime-Version: 1.0 References: <20260117052849.2205545-1-irogers@google.com> X-Mailer: git-send-email 2.52.0.457.g6b5491de43-goog Message-ID: <20260117052849.2205545-11-irogers@google.com> Subject: [PATCH v1 10/23] perf dwarf-regs: Remove get_arch_regnum From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , John Garry , Will Deacon , Leo Yan , Guo Ren , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Shimin Guo , Athira Rajeev , Stephen Brennan , Howard Chu , Thomas Falcon , Andi Kleen , "Dr. David Alan Gilbert" , Dmitry Vyukov , "=?UTF-8?q?Krzysztof=20=C5=81opatowski?=" , Chun-Tse Shao , Aditya Bodkhe , Haibo Xu , Sergei Trofimovich , 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, Mark Wielaard Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260116_212939_112497_F6E0A280 X-CRM114-Status: GOOD ( 10.78 ) 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 Except in dwarf-regs the function is never called. The weak function has no strong arch implementations. Remove so that the fall-through case applies. Signed-off-by: Ian Rogers --- tools/perf/util/dwarf-regs.c | 12 ------------ tools/perf/util/include/dwarf-regs.h | 4 ---- 2 files changed, 16 deletions(-) diff --git a/tools/perf/util/dwarf-regs.c b/tools/perf/util/dwarf-regs.c index 28a1cfdf26d4..b2f37299147e 100644 --- a/tools/perf/util/dwarf-regs.c +++ b/tools/perf/util/dwarf-regs.c @@ -71,13 +71,6 @@ const char *get_dwarf_regstr(unsigned int n, unsigned int machine, unsigned int return NULL; } -#if EM_HOST != EM_X86_64 && EM_HOST != EM_386 -__weak int get_arch_regnum(const char *name __maybe_unused) -{ - return -ENOTSUP; -} -#endif - /* Return DWARF register number from architecture register name */ int get_dwarf_regnum(const char *name, unsigned int machine, unsigned int flags __maybe_unused) { @@ -98,11 +91,6 @@ int get_dwarf_regnum(const char *name, unsigned int machine, unsigned int flags machine = EM_HOST; } switch (machine) { -#if EM_HOST != EM_X86_64 && EM_HOST != EM_386 - case EM_HOST: - reg = get_arch_regnum(regname); - break; -#endif case EM_X86_64: fallthrough; case EM_386: diff --git a/tools/perf/util/include/dwarf-regs.h b/tools/perf/util/include/dwarf-regs.h index 6f1b9f6b2466..015d1ade645f 100644 --- a/tools/perf/util/include/dwarf-regs.h +++ b/tools/perf/util/include/dwarf-regs.h @@ -101,10 +101,6 @@ const char *get_dwarf_regstr(unsigned int n, unsigned int machine, unsigned int int get_x86_regnum(const char *name); -#if !defined(__x86_64__) && !defined(__i386__) -int get_arch_regnum(const char *name); -#endif - /* * get_dwarf_regnum - Returns DWARF regnum from register name * name: architecture register name -- 2.52.0.457.g6b5491de43-goog