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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3A639C433F5 for ; Tue, 25 Jan 2022 13:45:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=nQUlD1iN6aJ+kllGGcuXg56pAawrHm93s/hZl7GjNNo=; b=P+YSweyin+iV1r zyf9DbSROdXx/mg9G/varPGe2GuZLYE7SVDx1N4EsBP4Q832K9ILJfh/R7YYOQu98J8xLzyJ/ai7v C58PubPFcp5Dsbs3ke7AJ4BAKVWp4nrBDoefc7IYCK5/0IrViBkDJ8F3J1IIaiBW0wWGvWxQpXfpl mNMcTHm2PnjK+GtfxZ0S5Kk2M/6FkGMUx4Y4x9ezMoanwzS92phgSvljW4gw5HAfYSg/UBjuEYQSo 5ws87n6GnxFnkIjOkDe7aiJXlbuHX+T08CTS9mrZt1aRKdhjJaoj/NwNts2wVv8BONR0/GRuXnrfp ncm5lXHS22YRwedko26Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nCM75-007yIh-5v; Tue, 25 Jan 2022 13:43:59 +0000 Received: from linux.microsoft.com ([13.77.154.182]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nCM71-007yI4-7Y for linux-arm-kernel@lists.infradead.org; Tue, 25 Jan 2022 13:43:56 +0000 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: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220125_054355_372699_ADBD5A8F X-CRM114-Status: GOOD ( 18.02 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel