Commit-ID: 7fa1c842caca3b1d8a55a64033403cab8ca8583a Gitweb: http://git.kernel.org/tip/7fa1c842caca3b1d8a55a64033403cab8ca8583a Author: Jiang Liu <jiang....@linux.intel.com> AuthorDate: Wed, 7 Jan 2015 15:31:42 +0800 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Thu, 15 Jan 2015 11:24:24 +0100
iommu/irq_remapping: Change variable disable_irq_remap to be static Change variable disable_irq_remap to be static and simplify the code. Signed-off-by: Jiang Liu <jiang....@linux.intel.com> Tested-by: Joerg Roedel <j...@8bytes.org> Cc: Tony Luck <tony.l...@intel.com> Cc: io...@lists.linux-foundation.org Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org> Cc: Yinghai Lu <ying...@kernel.org> Cc: Borislav Petkov <b...@alien8.de> Link: http://lkml.kernel.org/r/1420615903-28253-16-git-send-email-jiang....@linux.intel.com Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- drivers/iommu/amd_iommu_init.c | 6 +----- drivers/iommu/intel_irq_remapping.c | 5 ----- drivers/iommu/irq_remapping.c | 3 +-- drivers/iommu/irq_remapping.h | 2 -- 4 files changed, 2 insertions(+), 14 deletions(-) diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 970979e..e430dc8 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -2014,9 +2014,6 @@ static bool detect_ivrs(void) /* Make sure ACS will be enabled during PCI probe */ pci_request_acs(); - if (!disable_irq_remap) - amd_iommu_irq_remap = true; - return true; } @@ -2123,8 +2120,7 @@ static int __init iommu_go_to_state(enum iommu_init_state state) #ifdef CONFIG_IRQ_REMAP int __init amd_iommu_prepare(void) { - if (!amd_iommu_irq_remap) - return -1; + amd_iommu_irq_remap = true; return iommu_go_to_state(IOMMU_ACPI_FINISHED); } diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index fb72bd5..14de1ab 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -588,10 +588,6 @@ static int __init intel_prepare_irq_remapping(void) struct dmar_drhd_unit *drhd; struct intel_iommu *iommu; - /* First check whether IRQ remapping should be enabled */ - if (disable_irq_remap) - return -ENODEV; - if (irq_remap_broken) { printk(KERN_WARNING "This system BIOS has enabled interrupt remapping\n" @@ -600,7 +596,6 @@ static int __init intel_prepare_irq_remapping(void) "interrupt remapping is being disabled. Please\n" "contact your BIOS vendor for an update\n"); add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK); - disable_irq_remap = 1; return -ENODEV; } diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index 7d85d2b..5585c4e 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -17,12 +17,11 @@ #include "irq_remapping.h" int irq_remapping_enabled; - -int disable_irq_remap; int irq_remap_broken; int disable_sourceid_checking; int no_x2apic_optout; +static int disable_irq_remap; static struct irq_remap_ops *remap_ops; static int msi_alloc_remapped_irq(struct pci_dev *pdev, int irq, int nvec); diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h index a8edfea..c448eb4 100644 --- a/drivers/iommu/irq_remapping.h +++ b/drivers/iommu/irq_remapping.h @@ -31,7 +31,6 @@ struct cpumask; struct pci_dev; struct msi_msg; -extern int disable_irq_remap; extern int irq_remap_broken; extern int disable_sourceid_checking; extern int no_x2apic_optout; @@ -86,7 +85,6 @@ extern struct irq_remap_ops amd_iommu_irq_ops; #else /* CONFIG_IRQ_REMAP */ #define irq_remapping_enabled 0 -#define disable_irq_remap 1 #define irq_remap_broken 0 #endif /* CONFIG_IRQ_REMAP */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
