From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2DE3CDB474 for ; Thu, 12 Oct 2023 20:40:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1442827AbjJLUkm (ORCPT ); Thu, 12 Oct 2023 16:40:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347400AbjJLUkg (ORCPT ); Thu, 12 Oct 2023 16:40:36 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2C7BD9 for ; Thu, 12 Oct 2023 13:40:32 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPS id 50B19C433D9; Thu, 12 Oct 2023 20:40:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1697143225; bh=9KbQtT2qxorQkpHqYco5V41LAlQnh15tqWdih4fBMXA=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=GU3r0N2sfzWoDsLG+uAmN6p0ZSygLIlecg488h0SEJMLL90wTLvXXxr4SL+z7rdJm SMZi88JL+iohFArDgOQ3GjIF5yAtNdZRXy210WJ+jUcCWajE3iZhiqTvycuaFTeKu4 TwPThhYfO4f/UKSjYY9LsH/aFW/ez1PYA+lkc0jkR4dEUUKhYKYo9kFiVqUl/yB8Xb LR2Ie3VZrXimbgg2AFmx+vclVtsQz8BLJLN4rfC/hFaBXI+rgb4nRrOzcBdSzHQo0J Y1SWxJsJQwgU2tLaT6kpWtfSVT2yEg7lDdp9OIrdB78VAtoxkwU5ycdEM+JoehAtah k+RHGua/B5z7Q== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 332C4C595C3; Thu, 12 Oct 2023 20:40:25 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH -fixes] drivers: perf: Fix panic in riscv SBI mmap support From: patchwork-bot+linux-riscv@kernel.org Message-Id: <169714322520.23371.17105611293776534650.git-patchwork-notify@kernel.org> Date: Thu, 12 Oct 2023 20:40:25 +0000 References: <20231006082010.11963-1-alexghiti@rivosinc.com> In-Reply-To: <20231006082010.11963-1-alexghiti@rivosinc.com> To: Alexandre Ghiti Cc: linux-riscv@lists.infradead.org, atishp@atishpatra.org, anup@brainfault.org, will@kernel.org, mark.rutland@arm.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, ajones@ventanamicro.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to riscv/linux.git (fixes) by Palmer Dabbelt : On Fri, 6 Oct 2023 10:20:10 +0200 you wrote: > The following panic can happen when mmap is called before the pmu add > callback which sets the hardware counter index: this happens for example > with the following command `perf record --no-bpf-event -n kill`. > > [ 99.461486] CPU: 1 PID: 1259 Comm: perf Tainted: G E 6.6.0-rc4ubuntu-defconfig #2 > [ 99.461669] Hardware name: riscv-virtio,qemu (DT) > [ 99.461748] epc : pmu_sbi_set_scounteren+0x42/0x44 > [ 99.462337] ra : smp_call_function_many_cond+0x126/0x5b0 > [ 99.462369] epc : ffffffff809f9d24 ra : ffffffff800f93e0 sp : ff60000082153aa0 > [ 99.462407] gp : ffffffff82395c98 tp : ff6000009a218040 t0 : ff6000009ab3a4f0 > [ 99.462425] t1 : 0000000000000004 t2 : 0000000000000100 s0 : ff60000082153ab0 > [ 99.462459] s1 : 0000000000000000 a0 : ff60000098869528 a1 : 0000000000000000 > [ 99.462473] a2 : 000000000000001f a3 : 0000000000f00000 a4 : fffffffffffffff8 > [ 99.462488] a5 : 00000000000000cc a6 : 0000000000000000 a7 : 0000000000735049 > [ 99.462502] s2 : 0000000000000001 s3 : ffffffff809f9ce2 s4 : ff60000098869528 > [ 99.462516] s5 : 0000000000000002 s6 : 0000000000000004 s7 : 0000000000000001 > [ 99.462530] s8 : ff600003fec98bc0 s9 : ffffffff826c5890 s10: ff600003fecfcde0 > [ 99.462544] s11: ff600003fec98bc0 t3 : ffffffff819e2558 t4 : ff1c000004623840 > [ 99.462557] t5 : 0000000000000901 t6 : ff6000008feeb890 > [ 99.462570] status: 0000000200000100 badaddr: 0000000000000000 cause: 0000000000000003 > [ 99.462658] [] pmu_sbi_set_scounteren+0x42/0x44 > [ 99.462979] Code: 1060 4785 97bb 00d7 8fd9 9073 1067 6422 0141 8082 (9002) 0013 > [ 99.463335] Kernel BUG [#2] > > [...] Here is the summary with links: - [-fixes] drivers: perf: Fix panic in riscv SBI mmap support https://git.kernel.org/riscv/c/3fec323339a4 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html