Received: by 2002:a25:e74b:0:0:0:0:0 with SMTP id e72csp2003695ybh; Fri, 17 Jul 2020 07:05:19 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxiniVzCQtkZQEV9ggLcA+1SgI0ovEnSh/aC4iuWKMFASd82b0p4VV17p4xBQYVwlyo8V7r X-Received: by 2002:a17:906:7694:: with SMTP id o20mr8576566ejm.289.1594994719391; Fri, 17 Jul 2020 07:05:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1594994719; cv=none; d=google.com; s=arc-20160816; b=UpUiqgjgjU+i9T0NCBgRdr5KYFTYuIkg1+5Kmtmh2IoOEXaY876hGRHJVDIjtSYmII 5TKcvl7qiAOgwhuWDxfTupe3FlhSRtXu18sKUGlB2sKe4Z8amuTbB/fRjKf4gLBOP6xM ZIINxgc2VPeJaAYtagtzqNwfLq4/B1nVEC0Ut/ZDAYfjiLqdTwflZ8gs7P7Ku31ghflT vlK7txRuTJtaMeobbrF2jnqojSf6XP5g2TNwyccKXWSvnJMjHbtu0cBteL3w9RNapxGO QEmze8HBurkOf4hgUMPEsDfVVqfGGxZJJ1lGI9NZ7KdmgVWatJ1XsAiQpKsOcWjKUuB1 fiFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=ngwVhwuIZ9N8nKS6j+ofJuXNHDXl3d76opbHIrcwguI=; b=MhO46/mL4W81DSdbbRqLMYB9CDe7kMSrudcPHS39icErOmVXcKI8skNLtb2h13En0J T6zzmS3m6d11Zbrmr+QMTmmZRb3pJwKzIcjQa2ChH/1CcGNwnkrVBQ6SeKhSD+6WrxXu ZlfsYshrbyB4xh/HKnfnDH3TVtXoVvEcoOS6dEkLy9EmjOQiaILnPZaHPkazLeH7rCns HeaBJxsCt4xGIfbpZgUaRTsGwUz1OO6L+COxPllHrRGJ4MlFl4roQWLtXyiYsw38A//2 IDRQ8Xz1+Uv3KlNHu32vVfSTNGnBzNwqRtzyccDzIBMuskgVS3Xf9Ik5nAAPuxr0jPQQ +hQQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b="V/p3Tl6U"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id o22si5047109edt.352.2020.07.17.07.04.56; Fri, 17 Jul 2020 07:05:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b="V/p3Tl6U"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727112AbgGQOEl (ORCPT + 99 others); Fri, 17 Jul 2020 10:04:41 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:43098 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727085AbgGQOEh (ORCPT ); Fri, 17 Jul 2020 10:04:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594994677; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ngwVhwuIZ9N8nKS6j+ofJuXNHDXl3d76opbHIrcwguI=; b=V/p3Tl6UQKN7opakCp3LouEVsVGuvdPESD7CLijOlzfbwU/eVFo+wLW/DdxsV39VC4b+KV BK7slq8ta3FTJoQlM7svoiJHtytfLarLUyHy4rPtUKYx5jPB2/fM1wT9MiJSRhuXpOWQC4 OK0djNlkQr8r5hq0w+5v9/GcDe6UGEk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-288-Jbaj011tOHKhkci7uVfqMw-1; Fri, 17 Jul 2020 10:04:32 -0400 X-MC-Unique: Jbaj011tOHKhkci7uVfqMw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 757FA18A1DE1; Fri, 17 Jul 2020 14:04:30 +0000 (UTC) Received: from treble.redhat.com (ovpn-118-144.rdu2.redhat.com [10.10.118.144]) by smtp.corp.redhat.com (Postfix) with ESMTP id C117D6FEF8; Fri, 17 Jul 2020 14:04:29 +0000 (UTC) From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, Peter Zijlstra , Wang ShaoBo Subject: [PATCH 0/2] x86/unwind: A couple of fixes for newly forked tasks Date: Fri, 17 Jul 2020 09:04:24 -0500 Message-Id: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org A couple of reliable unwinder fixes for newly forked tasks, which were reported by Wang ShaoBo. Josh Poimboeuf (2): x86/unwind/orc: Fix ORC for newly forked tasks x86/stacktrace: Fix reliable check for empty user task stacks arch/x86/kernel/stacktrace.c | 5 ----- arch/x86/kernel/unwind_orc.c | 8 ++++++-- 2 files changed, 6 insertions(+), 7 deletions(-) -- 2.25.4