From patchwork Thu Mar 17 15:34:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: patricia.domingues@canonical.com X-Patchwork-Id: 1606625 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=canonical.com header.i=@canonical.com header.a=rsa-sha256 header.s=20210705 header.b=tZuJN0OE; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4KKB7P28cWz9s2R for ; Fri, 18 Mar 2022 02:36:01 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1nUsAM-00077Y-CU; Thu, 17 Mar 2022 15:35:54 +0000 Received: from smtp-relay-canonical-0.internal ([10.131.114.83] helo=smtp-relay-canonical-0.canonical.com) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1nUsAL-00077L-4z for kernel-team@lists.ubuntu.com; Thu, 17 Mar 2022 15:35:53 +0000 Received: from localhost.localdomain (1.general.patriciasd.us.vpn [10.172.64.192]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-0.canonical.com (Postfix) with ESMTPSA id 0D20D3F646 for ; Thu, 17 Mar 2022 15:35:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1647531352; bh=uMMfAbmRJn+19Ome9Iwv2xQnaB30kNhsvO6OCHqIk2I=; h=From:To:Subject:Date:Message-Id; b=tZuJN0OEBFQ3R3VIRfjSMqeg5ZZSKULZXhEZzKb2YgiHGAftHAsfswX2eUGj1SPzx fxeaBkkEVK+3AYB515gidCJfqGxCkUEfrW+Wr8n71Pvx0xrK1ttlvrWwDpICv/meZ4 JilYrSYuLftA1vuL/WQC+zQ23d2N6GGrgdTRsz0dYF3gfOyQmyRx4yza1GDPepbqtP PVn4/pg8mk5ogeGJfcxNdN4kCHwUQrXUPBSIWyciiOlEmkitTr8NOaSI1CUEYn2nTV lsmwgLUoIsiNf8mPDwk87k3nRmtTtmGNXwOAJr6hJczfDRcXGZfmDAGrzq7Wn9iizE 80HrmVKeiNw2w== From: patricia.domingues@canonical.com To: kernel-team@lists.ubuntu.com Subject: [J][PATCH 0/6] Transparent PCI device recovery (LP: 1959532) Date: Thu, 17 Mar 2022 12:34:57 -0300 Message-Id: <20220317153503.12817-1-patricia.domingues@canonical.com> X-Mailer: git-send-email 2.17.1 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" BugLink: https://bugs.launchpad.net/bugs/1959532 Use cooperative recovery strategies that allow drivers to recover from error scenarios without complete tear-down + re-init. Niklas Schnelle (6): s390/pci: tolerate inconsistent handle in recover s390/pci: add simpler s390dbf traces for events s390/pci: refresh function handle in iomap s390/pci: implement reset_slot for hotplug slot PCI: Export pci_dev_lock() s390/pci: implement minimal PCI error recovery arch/s390/include/asm/pci.h | 6 +- arch/s390/pci/pci.c | 148 +++++++++++++++++- arch/s390/pci/pci_event.c | 234 ++++++++++++++++++++++++++++- arch/s390/pci/pci_insn.c | 4 +- arch/s390/pci/pci_irq.c | 9 ++ arch/s390/pci/pci_sysfs.c | 8 + drivers/pci/hotplug/s390_pci_hpc.c | 24 +++ drivers/pci/pci.c | 3 +- include/linux/pci.h | 1 + 9 files changed, 423 insertions(+), 14 deletions(-) Acked-by: Tim Gardner