Messages in this thread Patch in this message | | | From | Zhen Lei <> | Subject | [PATCH v9 2/7] x86/dma: use IS_ENABLED() to simplify the code | Date | Thu, 13 Jun 2019 16:42:35 +0800 |
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Remove the ifdefs around CONFIG_IOMMU_DEFAULT_PASSTHROUGH to improve readablity.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> --- arch/x86/kernel/pci-dma.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index dcd272dbd0a9330..8c82b2e28a0fe2d 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -43,11 +43,7 @@ * It is also possible to disable by default in kernel config, and enable with * iommu=nopt at boot time. */ -#ifdef CONFIG_IOMMU_DEFAULT_PASSTHROUGH -int iommu_pass_through __read_mostly = 1; -#else -int iommu_pass_through __read_mostly; -#endif +int iommu_pass_through __read_mostly = IS_ENABLED(CONFIG_IOMMU_DEFAULT_PASSTHROUGH); extern struct iommu_table_entry __iommu_table[], __iommu_table_end[]; -- 1.8.3
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