From: Rui Wang <rui.y.wang@intel.com>
To: helgaas@kernel.org, tglx@linutronix.de, rjw@rjwysocki.net
Cc: tony.luck@intel.com, bhelgaas@google.com,
linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org, rui.y.wang@intel.com,
x86@kernel.org
Subject: [PATCH 0/2] Improvement on ioapic hotplug
Date: Mon, 27 Feb 2017 22:15:42 +0800 [thread overview]
Message-ID: <1488204944-27189-1-git-send-email-rui.y.wang@intel.com> (raw)
The revert of 991de2e59090 ("PCI, x86: Implement pcibios_alloc_irq()
and pcibios_free_irq()") causes a problem for IOAPIC hotplug. If
a device under the IOAPIC doesn't call pci_disable_device(), then
the hot-removal of the IOAPIC causes kernel stack dump.
This patchset can fix the problem. IOAPIC hot-removal works correctly
after applying this patchset.
Rui Wang (2):
x86/PCI: Implement pci_release_device to release IRQ from IOAPIC
x86/ioapic: Split IOAPIC hot-removal into two steps
arch/x86/pci/common.c | 9 +++++++++
drivers/acpi/internal.h | 1 +
drivers/acpi/ioapic.c | 22 ++++++++++++++++------
drivers/acpi/pci_root.c | 4 ++--
4 files changed, 28 insertions(+), 8 deletions(-)
--
1.8.3.1
next reply other threads:[~2017-02-27 14:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-27 14:15 Rui Wang [this message]
2017-02-27 14:15 ` [PATCH 1/2] x86/PCI: Implement pci_release_device to release IRQ from IOAPIC Rui Wang
2017-02-27 14:15 ` [PATCH 2/2] x86/ioapic: Split IOAPIC hot-removal into two steps Rui Wang
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