From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752801AbeCPUSp (ORCPT ); Fri, 16 Mar 2018 16:18:45 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:57113 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752579AbeCPUSo (ORCPT ); Fri, 16 Mar 2018 16:18:44 -0400 From: Sebastian Andrzej Siewior To: Joerg Roedel Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de Subject: [PATCH 00/10 v2] iommu/amd: lock splitting & GFP_KERNEL allocation Date: Fri, 16 Mar 2018 21:18:26 +0100 Message-Id: <20180316201836.7864-1-bigeasy@linutronix.de> X-Mailer: git-send-email 2.16.2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The goal here is to make the memory allocation in get_irq_table() not with disabled interrupts and having as little raw_spin_lock as possible while having them if the caller is also holding one (like desc->lock during IRQ-affinity changes). I reverted one patch one patch in the iommu while rebasing since it make job easier. The patches were boot tested on an AMD EPYC 7601. Sebastian