From patchwork Tue Nov 5 19:55:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colton Lewis X-Patchwork-Id: 13863491 Received: from mail-il1-f202.google.com (mail-il1-f202.google.com [209.85.166.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2C57B2141BB for ; Tue, 5 Nov 2024 19:56:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730836593; cv=none; b=p/PZyWrfl/FT3bzdv/hc5PZEZOQyXIbd3lKxGaF9kgzIEUS8U2nfQTY9JcjC4j8K7RWkXSyGhlpq5pf52ci/W2fkD1b7CLr54BfPBodi1OimwXlZ4qqhpsRxbkfP0nPdaTrF4QDq+qLSFdI/eTnTHikW7acavqxVgFbiiEDzH0o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730836593; c=relaxed/simple; bh=dLIL2i/Biud1ORZ7js8CqRFmSmrKZrxHun5wYBVxjTQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=bxTZ6qHbqRAJ9bm8rsnbfxNmfEPkplZJSGvqlD549vBMlU6Uj+KAPT8OtYciarCL3jW0VNGfnWxR2ML1Z7jwx5msBiFxb/nWGJSAtBZtCYk2Vt0UVpUMzOGHPhtJZfh9Ulqk7OZaW49kWiRA20ooDgR33TS0uEeqx2+fBpkl/mY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--coltonlewis.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=a3bUT3KT; arc=none smtp.client-ip=209.85.166.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--coltonlewis.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="a3bUT3KT" Received: by mail-il1-f202.google.com with SMTP id e9e14a558f8ab-3a3c5a6c5e1so76049915ab.2 for ; Tue, 05 Nov 2024 11:56:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1730836590; x=1731441390; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=EPb0hqOBb6kblWxXXARI3ocpeztWq9KwTirxTPs2l4Y=; b=a3bUT3KTmTxnYZLZShXEB6OqvwhWcWJnsWtNf+5LxQ3sOPVeswhpFmdFMTnmb7fExJ B0gU8DdqOUDvj5oe8RczOj3L3w5i7z3tbcNzeoCFQY5PJM1FKi0ObftUDkRIgVGXb27b e7IcrZBVYEEGMsl+pnFM8KYlSXs4LAyQkeUi0dkVctl3ryp2o0VHKjAgbGUhutfABtLW WF3bO0PeiwBBM7y0okzEsfZZiqK64ELsK2grvwHCYAJEUtDpN1IOu/zNqrGI4ad26RD6 6DHciqBOY05qbJUXvHjKvnjoVOQXuM6fiR6Zgo+ehdRBXZI3diRtt6kxVZXNjnm1ALze CnfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730836590; x=1731441390; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=EPb0hqOBb6kblWxXXARI3ocpeztWq9KwTirxTPs2l4Y=; b=kzig3gtWrtYH2p6ByMPpVTtVeSsz7Ur8TIjxEZg9J9ITvfW1GIpRwoCxXhr1e6t0fj Puaz6HwF0c8tVrNhgCxhiY5qWI3vCR/XzyR6v+vqMzwD6NwwTGSrn/iew74zp3X92PaG wBzX4uk3RIFNA6IvsOoraTVBGFrcRsAGRTfxoHDibhY2LySh5oJrO8UNM+/Cwbf22n7E LgK4YBpg+nxVtgG5WpCi3XSBrwpgUeg6hjogkX2ZxVuAVvqqi5Lv+ZLNT1cc8CpGgO1i JGMB4Wxn3gmMbR6ubmUO9U4yhuxjaXJgVb70bn3FLQZ8x0D9Zy0AgnCRh0FU8+nQAcQW q87A== X-Gm-Message-State: AOJu0YySVKOJs8D+OdiLW9gaZt9KI94/pEyDnASjb2CqZmkicCMQGkwz fY2lH+ZK6iceyTWvqTpv/idQAe7Gja3x+dz34mw/lS9t8wrPnnAjS/GUbZRGjwuAOMiKXoW11cW KYiSRlIij31kD1zcsI7+Awo/oHNHKhGkmJUADqkHTmlugNgEgOqrVK7Fg1LhqtogCgV2NBJSpYI OXm19hGcUVQzt7KNYjkk/YZkvEIngO9K+FD2ZIlOWQAvn2iic4AVrou7A= X-Google-Smtp-Source: AGHT+IHah6Nqgqq9N69ws0DKUP/HTUx1alzkcwBsGSQWk19UCQk0MEnTOVuN0lF159yK8HSXoS8zbdDz2TvwiOw9WA== X-Received: from coltonlewis-kvm.c.googlers.com ([fda3:e722:ac3:cc00:11b:3898:ac11:fa18]) (user=coltonlewis job=sendgmr) by 2002:a92:d702:0:b0:3a6:ca09:6d48 with SMTP id e9e14a558f8ab-3a6ca09715emr1563885ab.2.1730836590276; Tue, 05 Nov 2024 11:56:30 -0800 (PST) Date: Tue, 5 Nov 2024 19:55:58 +0000 In-Reply-To: <20241105195603.2317483-1-coltonlewis@google.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20241105195603.2317483-1-coltonlewis@google.com> X-Mailer: git-send-email 2.47.0.199.ga7371fff76-goog Message-ID: <20241105195603.2317483-2-coltonlewis@google.com> Subject: [PATCH v6 1/5] arm: perf: Drop unused functions From: Colton Lewis To: kvm@vger.kernel.org Cc: Oliver Upton , Sean Christopherson , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , Will Deacon , Russell King , Catalin Marinas , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Borislav Petkov , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, Colton Lewis For arm's implementation, perf_instruction_pointer() and perf_misc_flags() are equivalent to the generic versions in include/linux/perf_event.h so arch/arm doesn't need to provide its own versions. Drop them here. Signed-off-by: Colton Lewis Reviewed-by: Oliver Upton --- arch/arm/include/asm/perf_event.h | 7 ------- arch/arm/kernel/perf_callchain.c | 17 ----------------- 2 files changed, 24 deletions(-) diff --git a/arch/arm/include/asm/perf_event.h b/arch/arm/include/asm/perf_event.h index bdbc1e590891..c08f16f2e243 100644 --- a/arch/arm/include/asm/perf_event.h +++ b/arch/arm/include/asm/perf_event.h @@ -8,13 +8,6 @@ #ifndef __ARM_PERF_EVENT_H__ #define __ARM_PERF_EVENT_H__ -#ifdef CONFIG_PERF_EVENTS -struct pt_regs; -extern unsigned long perf_instruction_pointer(struct pt_regs *regs); -extern unsigned long perf_misc_flags(struct pt_regs *regs); -#define perf_misc_flags(regs) perf_misc_flags(regs) -#endif - #define perf_arch_fetch_caller_regs(regs, __ip) { \ (regs)->ARM_pc = (__ip); \ frame_pointer((regs)) = (unsigned long) __builtin_frame_address(0); \ diff --git a/arch/arm/kernel/perf_callchain.c b/arch/arm/kernel/perf_callchain.c index 1d230ac9d0eb..a2601b1ef318 100644 --- a/arch/arm/kernel/perf_callchain.c +++ b/arch/arm/kernel/perf_callchain.c @@ -96,20 +96,3 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *re arm_get_current_stackframe(regs, &fr); walk_stackframe(&fr, callchain_trace, entry); } - -unsigned long perf_instruction_pointer(struct pt_regs *regs) -{ - return instruction_pointer(regs); -} - -unsigned long perf_misc_flags(struct pt_regs *regs) -{ - int misc = 0; - - if (user_mode(regs)) - misc |= PERF_RECORD_MISC_USER; - else - misc |= PERF_RECORD_MISC_KERNEL; - - return misc; -}