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[109.67.40.161]) by smtp.gmail.com with ESMTPSA id c70sm494713qke.109.2020.08.20.20.41.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Aug 2020 20:41:36 -0700 (PDT) Date: Thu, 20 Aug 2020 23:41:31 -0400 From: "Michael S. Tsirkin" To: Julia Suvorova Subject: Re: [RFC PATCH v2 0/4] Use ACPI PCI hot-plug for q35 Message-ID: <20200820234019-mutt-send-email-mst@kernel.org> References: <20200818215227.181654-1-jusual@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200818215227.181654-1-jusual@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0.002 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=205.139.110.120; envelope-from=mst@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/20 23:41:39 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Igor Mammedov , qemu-devel@nongnu.org, Gerd Hoffmann Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, Aug 18, 2020 at 11:52:23PM +0200, Julia Suvorova wrote: > PCIe native hot-plug has numerous problems with racing events and unpredictable > guest behaviour (Windows). Switching to ACPI hot-plug for now. > > Tested on RHEL 8 and Windows 2019. > pxb-pcie is not yet supported. Julia, pls update expected acpi tables, see tests/qtest/bios-tables-test.c > v2: > * new ioport range for acpiphp [Gerd] > * drop find_pci_host() [Igor] > * explain magic numbers in _OSC [Igor] > * drop build_q35_pci_hotplug() wrapper [Igor] > > Julia Suvorova (4): > hw/acpi/ich9: Trace ich9_gpe_readb()/writeb() > hw/i386/acpi-build: Add ACPI PCI hot-plug methods to q35 > hw/i386/acpi-build: Turn off support of PCIe native hot-plug and SHPC > in _OSC > hw/acpi/ich9: Enable ACPI PCI hot-plug > > hw/i386/acpi-build.h | 12 ++++++++++ > include/hw/acpi/ich9.h | 3 +++ > include/hw/acpi/pcihp.h | 3 ++- > hw/acpi/ich9.c | 52 ++++++++++++++++++++++++++++++++++++++++- > hw/acpi/pcihp.c | 15 ++++++++---- > hw/acpi/piix4.c | 2 +- > hw/i386/acpi-build.c | 48 +++++++++++++++++++++++-------------- > hw/i386/pc.c | 1 + > hw/acpi/trace-events | 4 ++++ > 9 files changed, 114 insertions(+), 26 deletions(-) > > -- > 2.25.4