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 E4DA8C4332F for ; Mon, 14 Nov 2022 10:00:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236759AbiKNKAH (ORCPT ); Mon, 14 Nov 2022 05:00:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59204 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236778AbiKNJ7n (ORCPT ); Mon, 14 Nov 2022 04:59:43 -0500 Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4FEE7201A0 for ; Mon, 14 Nov 2022 01:57:51 -0800 (PST) Received: by mail-ej1-x634.google.com with SMTP id n12so26883992eja.11 for ; Mon, 14 Nov 2022 01:57:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloudflare.com; s=google; h=content-transfer-encoding:mime-version:message-id:in-reply-to:date :subject:cc:to:from:user-agent:references:from:to:cc:subject:date :message-id:reply-to; bh=g1LCiKWkAngOCMZs2BOrkAiMYS+xuvcOMxc9v906b0g=; b=fw3IOir+wK621jjhytLUR3HRpXea6nvokGxDGqr9LMVErtI4UrPyIfcXRr/kuFE6W3 fsrJ9hmrGLzSXk0WXDRNtUVDIXus9euFGVmtQ3X3NMmcue/Y0Nh3ZUPVtupDIVdnc/YY DscN8sAnhVPIBIj78jyjRhUlzggR134pnX0F8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:in-reply-to:date :subject:cc:to:from:user-agent:references:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=g1LCiKWkAngOCMZs2BOrkAiMYS+xuvcOMxc9v906b0g=; b=KzMSSTVibdEPIeAKSUH87/3lHXIsL6h13b0fGo34LEcG74yBTIA37SqE+hPAlHn3fW FMP3iIYUCd94FpPJZ6rNo5C0CIN2X0p15KStRjpOJl7ahScqBPcbseFHG1v8ubdmXbY1 MGitaImjMTzJiWTUkmW0NzCxbQl1PNNyEy9d0Jw/FnjFSZZEqU0i4gMqQ2Z888bijjd1 /s5Fxglcp76w0q8W85NDzhztkOKSmvnCzP0569kTej9vGqvUMxlHW01BXhUAoW1uoIOB DkN1kW5cbrqR3HmqXMgalQX7X32WVN3L7swM4rUVdoNTFmrkIPegTy/WozPBsJ0wdQYP 8zPw== X-Gm-Message-State: ANoB5pn8UajEb3gCK39wK/M2PHyUgsnIHEWjxeTcJgQZ4rnLTELPmJtt 9gZYGZvXNAprWiWwdqFDxbgF6g== X-Google-Smtp-Source: AA0mqf4lp53u7quF2EADkWo0M0W4uo6u5+OG9vQl1heyj6jEVm7mI2d32I3SbNtG8+VAordGPL69Fw== X-Received: by 2002:a17:906:24d9:b0:7ad:2da5:36e1 with SMTP id f25-20020a17090624d900b007ad2da536e1mr9033958ejb.548.1668419869833; Mon, 14 Nov 2022 01:57:49 -0800 (PST) Received: from cloudflare.com (79.184.204.15.ipv4.supernova.orange.pl. [79.184.204.15]) by smtp.gmail.com with ESMTPSA id qo14-20020a170907874e00b007adf2e4c6f7sm3965723ejc.195.2022.11.14.01.57.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Nov 2022 01:57:49 -0800 (PST) References: <20221110113034.17563-1-jakub@cloudflare.com> User-agent: mu4e 1.6.10; emacs 27.2 From: Jakub Sitnicki To: Akinobu Mita Cc: linux-kernel@vger.kernel.org, kernel-team@cloudflare.com, linux-kbuild@vger.kernel.org, x86@kernel.org, Andrew Morton , Wei Yongjun Subject: Re: [PATCH] fault-inject: Enable stacktrace filter for x86-64 Date: Mon, 14 Nov 2022 10:56:26 +0100 In-reply-to: Message-ID: <87a64too2r.fsf@cloudflare.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org On Sat, Nov 12, 2022 at 01:41 AM +09, Akinobu Mita wrote: > 2022=E5=B9=B411=E6=9C=8810=E6=97=A5(=E6=9C=A8) 20:30 Jakub Sitnicki : >> >> Stacktrace filtering for fault injection has been disabled on x86-64 sin= ce >> 2007 due to the lack of a DWARF unwinder. See commit 6d690dcac92a ("fault >> injection: disable stacktrace filter for x86-64"). >> >> In 2017, the ORC unwider, an alternative to DWARF unwinder has been added >> in commit ee9f8fce9964 ("x86/unwind: Add the ORC unwinder"). >> >> We can now re-enable the stacktrace filter for x86-64. > > The same change by Wei Yongjun is already in the linux-next via -mm tree. > > But thank you for the good explanation. Thanks for letting me know. Will check linux-next next time. Please ignore my patch. Sorry for the noise.