Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp4473794ybi; Tue, 11 Jun 2019 07:14:49 -0700 (PDT) X-Google-Smtp-Source: APXvYqyEPtUgiF6C77ayoQCbtdcPq54r+4N7Pz8kED2CwfS8skP55QtOBPWMIocc7dSNnPvt4055 X-Received: by 2002:a63:6a49:: with SMTP id f70mr20281812pgc.55.1560262488874; Tue, 11 Jun 2019 07:14:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1560262488; cv=none; d=google.com; s=arc-20160816; b=lNLuZTWpEFEz/5bDzlOumBeMX15r5lhPQ6C1bYQ4rjmj0pzI2wlel+11q3So8H7A+X Ee3gSdWmXMfy09zU5mqdpqSgQWfF6jh5VdcDpK5UOO/1XVy1lhCAhobyOJm6sgGoZ4Vw QdrQrAeZWXnIL6HSTT8xeiVlWT0iFYphXt1WyD8mlglhasFCKwhxH1iN8x8rfTu2V3L4 8DcnZJxi92p/uJ4B/ujm098M1na86uVOdB0f0Mh2AF3g4zs3VJrQiVZ/HChmsh4j1zqF OptEnspQ3K0u8nmFtLU6Ce5LcC/m1bVDDlyiM5PQSXuQhqF1yshYbdEPKO+lq597FjaO eD3A== 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; bh=zE6ziYhTng/ptYlp1XL5lpz7nr0ZW4ggH0QQm7jld2U=; b=pVGS0nO20GhthPE4EkYmAnfmnAVkG4w9bplscNBqEcKFJ2IM2Yg6SaTPnal9mcsyLk wELh7NAjuKtvUNvMrEND8g5DtScwPcCW5trYl29Ho4rU9AGsyzLcy8BGSJcF0xZwPaws I0zwgTZJVIh5x+HVbNNgY6m7ZbJJEGpo6fRciMTKQhOul0iBiqOmgLF4qGBpSPx5dehB UutYTnALZB5iKNnRTXd7RAl05kkrfm7NI4V2xJKpkZoHGahsFH3IT8HIpYTy0FZctQyR uNgcuAK4VKrC7ugfMKXTaXFDjRnGHTmufxajdNA0feoixR6q/ARLGHjJSab4R3tVShty CNXA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z33si12483647pgk.516.2019.06.11.07.14.33; Tue, 11 Jun 2019 07:14:48 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388316AbfFKON0 (ORCPT + 99 others); Tue, 11 Jun 2019 10:13:26 -0400 Received: from mx2.suse.de ([195.135.220.15]:44132 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728264AbfFKON0 (ORCPT ); Tue, 11 Jun 2019 10:13:26 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 003DAAE91; Tue, 11 Jun 2019 14:13:24 +0000 (UTC) From: Miroslav Benes To: jpoimboe@redhat.com, jikos@kernel.org, pmladek@suse.com Cc: joe.lawrence@redhat.com, kamalesh@linux.vnet.ibm.com, live-patching@vger.kernel.org, linux-kernel@vger.kernel.org, Miroslav Benes , Thomas Gleixner Subject: [PATCH v4 0/3] livepatch: Cleanup of reliable stacktrace warnings Date: Tue, 11 Jun 2019 16:13:17 +0200 Message-Id: <20190611141320.25359-1-mbenes@suse.cz> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is the fourth attempt to improve the situation of reliable stack trace warnings in livepatch. Based on discussion in 20190531074147.27616-1-pmladek@suse.com (v3). Changes against v3: + weak save_stack_trace_tsk_reliable() removed, because it is not needed anymore thanks to Thomas' recent improvements + klp_have_reliable_stack() check reintroduced in klp_try_switch_task() Changes against v2: + Put back the patch removing WARN_ONCE in the weak save_stack_trace_tsk_reliable(). It is related. + Simplified patch removing the duplicate warning from klp_check_stack() + Update commit message for 3rd patch [Josh] Miroslav Benes (2): stacktrace: Remove weak version of save_stack_trace_tsk_reliable() Revert "livepatch: Remove reliable stacktrace check in klp_try_switch_task()" Petr Mladek (1): livepatch: Remove duplicate warning about missing reliable stacktrace support kernel/livepatch/transition.c | 8 +++++++- kernel/stacktrace.c | 8 -------- 2 files changed, 7 insertions(+), 9 deletions(-) -- 2.21.0