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 0ABBEC0218F for ; Fri, 31 Jan 2025 16:12:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=c3gnIl846SAu9tfnQfOzMciM9PIb15NdkYL4iUYcpms=; b=cNXeYTWszAOcXR4iUYv2r+sWAU MY8AxYRompDsSzJoF9bW6OiEtcVcXMO5vQo6Q8oD+TpeO+rEFDGrcIwv5x8It2UuNludBIMcEjcnY OyBl5mOjUpdckcydhjJE2uLYBGXFLxmDlG7tC/bF2A0T6n8rMrVUTqc4qk5KKb/0ICZRYRJCCj3or rXsXL+DW0admyrjh52VqRaF+j1clGPZTkzNwbQkEODN95plplDVTZv/6rnDcZeRnaUMd5giq+PNF3 hcA7TH1ZvbKlIv+FhEjS74YHieVhKXV7cDTShHDjyD/L9jVgwVahro+P3XLtU/cK4EJLxUcqtiZXk eSSVsM8A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tdtcp-0000000Aw5M-43Zj; Fri, 31 Jan 2025 16:12:11 +0000 Received: from linux.microsoft.com ([13.77.154.182]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tdtZd-0000000AvZZ-2cZr for linux-arm-kernel@lists.infradead.org; Fri, 31 Jan 2025 16:08:54 +0000 Received: from [100.79.217.67] (unknown [4.194.122.170]) by linux.microsoft.com (Postfix) with ESMTPSA id D324D210C321; Fri, 31 Jan 2025 08:08:48 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com D324D210C321 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1738339732; bh=c3gnIl846SAu9tfnQfOzMciM9PIb15NdkYL4iUYcpms=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=G2VTov39rrmYBiWMyE9yWrSILfGhZxzr06F8JH2GqHFzuspx00BCSmiWBbsDjUsyp oXVBU8KH8BrukMrKGOrPvvDtGBseuczir06TjCxMZyTdSIbN5Ei8FguLKbk8PKHD5J NC1IKKeAL6q/duree0ur7zHHvgb38S+jlVktLiVs= Message-ID: Date: Fri, 31 Jan 2025 21:38:46 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 8/8] arm64: Enable livepatch for ARM64 To: Weinan Liu , Josh Poimboeuf , Steven Rostedt , Indu Bhagat , Peter Zijlstra Cc: Mark Rutland , roman.gushchin@linux.dev, Will Deacon , Ian Rogers , linux-toolchains@vger.kernel.org, linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, joe.lawrence@redhat.com, linux-arm-kernel@lists.infradead.org References: <20250127213310.2496133-1-wnliu@google.com> <20250127213310.2496133-9-wnliu@google.com> Content-Language: en-US From: Prasanna Kumar T S M In-Reply-To: <20250127213310.2496133-9-wnliu@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250131_080853_694285_78601F45 X-CRM114-Status: GOOD ( 11.64 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 28-01-2025 03:03, Weinan Liu wrote: > Since SFrame is considered as reliable stacktrace, enable livepatch in > arch/arm64/Kconfig > > Signed-off-by: Weinan Liu > --- > arch/arm64/Kconfig | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 100570a048c5..c292bc73b65c 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -271,6 +271,8 @@ config ARM64 > select HAVE_SOFTIRQ_ON_OWN_STACK > select USER_STACKTRACE_SUPPORT > select VDSO_GETRANDOM > + select HAVE_RELIABLE_STACKTRACE if SFRAME_UNWINDER > + select HAVE_LIVEPATCH if HAVE_DYNAMIC_FTRACE_WITH_ARGS && HAVE_RELIABLE_STACKTRACE > help > ARM 64-bit (AArch64) Linux support. > > @@ -2498,3 +2500,4 @@ source "drivers/acpi/Kconfig" > > source "arch/arm64/kvm/Kconfig" > > +source "kernel/livepatch/Kconfig" Will this work for ftrace'd (kprobe'd) function as well?