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x86/vector/msi: Select CONFIG_GENERIC_IRQ_RESERVATION_MODE

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Select CONFIG_GENERIC_IRQ_RESERVATION_MODE so PCI/MSI domains get the
MSI_FLAG_MUST_REACTIVATE flag set in pci_msi_create_irq_domain().

Remove the explicit setters of this flag in the apic/msi code as they are
not longer required.

Fixes: 4900be8360 ("x86/vector/msi: Switch to global reservation mode")
Reported-and-tested-by: Dexuan Cui <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Josh Poulson <[email protected]>
Cc: Mihai Costache <[email protected]>
Cc: Stephen Hemminger <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: [email protected]
Cc: Haiyang Zhang <[email protected]>
Cc: Simon Xiao <[email protected]>
Cc: Saeed Mahameed <[email protected]>
Cc: Jork Loeser <[email protected]>
Cc: Bjorn Helgaas <[email protected]>
Cc: [email protected]
Cc: KY Srinivasan <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
This commit is contained in:
Thomas Gleixner 2017-10-17 09:54:59 +02:00
commit c201c91799
2 changed files with 3 additions and 3 deletions
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1
arch/x86/Kconfig
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@ -95,6 +95,7 @@ config X86
select GENERIC_IRQ_MATRIX_ALLOCATOR if X86_LOCAL_APIC
select GENERIC_IRQ_MIGRATION if SMP
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_RESERVATION_MODE
select GENERIC_IRQ_SHOW
select GENERIC_PENDING_IRQ if SMP
select GENERIC_SMP_IDLE_THREAD

5
arch/x86/kernel/apic/msi.c
View file

@ -129,7 +129,7 @@ static struct msi_domain_ops pci_msi_domain_ops = {
static struct msi_domain_info pci_msi_domain_info = {
.flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
MSI_FLAG_PCI_MSIX | MSI_FLAG_MUST_REACTIVATE,
MSI_FLAG_PCI_MSIX,
.ops = &pci_msi_domain_ops,
.chip = &pci_msi_controller,
.handler = handle_edge_irq,
@ -167,8 +167,7 @@ static struct irq_chip pci_msi_ir_controller = {
static struct msi_domain_info pci_msi_ir_domain_info = {
.flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX |
MSI_FLAG_MUST_REACTIVATE,
MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX,
.ops = &pci_msi_domain_ops,
.chip = &pci_msi_ir_controller,
.handler = handle_edge_irq,