diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2017-10-17 09:54:58 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-10-18 15:38:31 +0200 |
| commit | 25e960efc63852b84d1c3739aef586285b177395 (patch) | |
| tree | ae52750c606af14b54367eedccc2b68ad86d92cc /drivers/pci/msi.c | |
| parent | genirq: Add config option for reservation mode (diff) | |
| download | linux-dev-25e960efc63852b84d1c3739aef586285b177395.tar.xz linux-dev-25e960efc63852b84d1c3739aef586285b177395.zip | |
PCI/MSI: Set MSI_FLAG_MUST_REACTIVATE in core code
If interrupt reservation mode is enabled then the PCI/MSI interrupts must
be reactivated after early activation.
Make sure that all callers of pci_msi_create_irq_domain() have the
MSI_FLAG_MUST_REACTIVATE set when reservation mode is enabled.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Josh Poulson <jopoulso@microsoft.com>
Cc: Mihai Costache <v-micos@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-pci@vger.kernel.org
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Simon Xiao <sixiao@microsoft.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Jork Loeser <Jork.Loeser@microsoft.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: devel@linuxdriverproject.org
Cc: KY Srinivasan <kys@microsoft.com>
Link: https://lkml.kernel.org/r/20171017075600.448649905@linutronix.de
Diffstat (limited to 'drivers/pci/msi.c')
| -rw-r--r-- | drivers/pci/msi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 496ed9130600..e06607167858 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1441,6 +1441,8 @@ struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode, pci_msi_domain_update_chip_ops(info); info->flags |= MSI_FLAG_ACTIVATE_EARLY; + if (IS_ENABLED(CONFIG_GENERIC_IRQ_RESERVATION_MODE)) + info->flags |= MSI_FLAG_MUST_REACTIVATE; domain = msi_create_irq_domain(fwnode, info, parent); if (!domain) |