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 A870CC433F5 for ; Tue, 25 Jan 2022 13:46:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346018AbiAYNqX (ORCPT ); Tue, 25 Jan 2022 08:46:23 -0500 Received: from linux.microsoft.com ([13.77.154.182]:36176 "EHLO linux.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1383903AbiAYNny (ORCPT ); Tue, 25 Jan 2022 08:43:54 -0500 Received: from [192.168.254.32] (unknown [47.187.212.181]) by linux.microsoft.com (Postfix) with ESMTPSA id 5E17F20B6C61; Tue, 25 Jan 2022 05:43:52 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 5E17F20B6C61 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1643118233; bh=pNSTEP0TRPy0j5oEkFezTz31lZK+4Yx3qQJpktHhUjs=; h=Date:Subject:To:References:From:In-Reply-To:From; b=QH0fuY0YhBO7vXSfmXGWSFbzJOgdLCyFhrYhzV8LZtGzmrvNybYSgEzDhld46vZ+q 3KFYbxmbPXOQpmp5poOJK6Zb3Z2CU8rDW0ls7Xbl21fxkAsCTS7zXbISNDna+eunUc fzB0vE6t+hQelwlPCl4tEIT/f0a90+dP2KsEDVMY= Message-ID: <825b8b72-c746-ba24-7142-3fff481e82d6@linux.microsoft.com> Date: Tue, 25 Jan 2022 07:43:51 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v13 11/11] arm64: Select HAVE_RELIABLE_STACKTRACE Content-Language: en-US To: "nobuta.keiya@fujitsu.com" , "mark.rutland@arm.com" , "broonie@kernel.org" , "jpoimboe@redhat.com" , "ardb@kernel.org" , "sjitindarsingh@gmail.com" , "catalin.marinas@arm.com" , "will@kernel.org" , "jmorris@namei.org" , "linux-arm-kernel@lists.infradead.org" , "live-patching@vger.kernel.org" , "linux-kernel@vger.kernel.org" References: <95691cae4f4504f33d0fc9075541b1e7deefe96f> <20220117145608.6781-1-madvenka@linux.microsoft.com> <20220117145608.6781-12-madvenka@linux.microsoft.com> From: "Madhavan T. Venkataraman" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I have not seen any activity on that in a long time. IIRC, Julien quit RedHat. I don't know if anyone else has taken over this work in RedHat. Sorry, I don't have any more information. Madhavan On 1/24/22 23:21, nobuta.keiya@fujitsu.com wrote: > Hi Madhavan, > >> Select HAVE_RELIABLE_STACKTRACE in arm64/Kconfig to allow >> arch_stack_walk_reliable() to be used. >> >> Note that this is conditional upon STACK_VALIDATION which will be added when frame pointer validation is implemented (say >> via objtool). > > I know that Julien Thierry published objtool support for arm64 [1], but I'm not > sure if it has been updated. Could you tell me other threads if you know? > > [1] https://lore.kernel.org/linux-arm-kernel/20210303170932.1838634-1-jthierry@redhat.com/ > > > Thanks, > Keiya > >> >> Signed-off-by: Madhavan T. Venkataraman >> --- >> arch/arm64/Kconfig | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index f6e333b59314..bc7b3514b563 100644 >> --- a/arch/arm64/Kconfig >> +++ b/arch/arm64/Kconfig >> @@ -223,6 +223,7 @@ config ARM64 >> select THREAD_INFO_IN_TASK >> select HAVE_ARCH_USERFAULTFD_MINOR if USERFAULTFD >> select TRACE_IRQFLAGS_SUPPORT >> + select HAVE_RELIABLE_STACKTRACE if FRAME_POINTER && STACK_VALIDATION >> help >> ARM 64-bit (AArch64) Linux support. >> >> -- >> 2.25.1 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel