Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 01/19] x86, apic: Move irq_remapping_enabled checks into IRQ-remapping code | Date | Tue, 7 Aug 2012 17:43:31 +0200 |
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Move the three easy to move checks in the x86' apic.c file into the IRQ-remapping code.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> --- arch/x86/kernel/apic/apic.c | 9 +++------ drivers/iommu/irq_remapping.c | 11 +++++++++-- 2 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 24deb30..41681b3 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1444,8 +1444,7 @@ void __init bsp_end_local_APIC_setup(void) * Now that local APIC setup is completed for BP, configure the fault * handling for interrupt remapping. */ - if (irq_remapping_enabled) - irq_remap_enable_fault_handling(); + irq_remap_enable_fault_handling(); } @@ -2218,8 +2217,7 @@ static int lapic_suspend(void) local_irq_save(flags); disable_local_APIC(); - if (irq_remapping_enabled) - irq_remapping_disable(); + irq_remapping_disable(); local_irq_restore(flags); return 0; @@ -2287,8 +2285,7 @@ static void lapic_resume(void) apic_write(APIC_ESR, 0); apic_read(APIC_ESR); - if (irq_remapping_enabled) - irq_remapping_reenable(x2apic_mode); + irq_remapping_reenable(x2apic_mode); local_irq_restore(flags); } diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index 151690d..283a43f 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -82,7 +82,9 @@ int __init irq_remapping_enable(void) void irq_remapping_disable(void) { - if (!remap_ops || !remap_ops->disable) + if (!irq_remapping_enabled || + !remap_ops || + !remap_ops->disable) return; remap_ops->disable(); @@ -90,7 +92,9 @@ void irq_remapping_disable(void) int irq_remapping_reenable(int mode) { - if (!remap_ops || !remap_ops->reenable) + if (!irq_remapping_enabled || + !remap_ops || + !remap_ops->reenable) return 0; return remap_ops->reenable(mode); @@ -98,6 +102,9 @@ int irq_remapping_reenable(int mode) int __init irq_remap_enable_fault_handling(void) { + if (!irq_remapping_enabled) + return 0; + if (!remap_ops || !remap_ops->enable_faulting) return -ENODEV; -- 1.7.9.5
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