[PATCH v9 7/7] ia64: hide build option IOMMU_DEFAULT_PASSTHROUGH
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- To: Jean-Philippe Brucker <jean-philippe.brucker@xxxxxxx>, John Garry <john.garry@xxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, Will Deacon <will.deacon@xxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, linux-doc <linux-doc@xxxxxxxxxxxxxxx>, Sebastian Ott <sebott@xxxxxxxxxxxxx>, Gerald Schaefer <gerald.schaefer@xxxxxxxxxx>, "Martin Schwidefsky" <schwidefsky@xxxxxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, "Michael Ellerman" <mpe@xxxxxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, "H . Peter Anvin" <hpa@xxxxxxxxx>, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, iommu <iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx>, linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>, linux-s390 <linux-s390@xxxxxxxxxxxxxxx>, linuxppc-dev <linuxppc-dev@xxxxxxxxxxxxxxxx>, x86 <x86@xxxxxxxxxx>, linux-ia64 <linux-ia64@xxxxxxxxxxxxxxx>
- Subject: [PATCH v9 7/7] ia64: hide build option IOMMU_DEFAULT_PASSTHROUGH
- From: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
- Date: Thu, 13 Jun 2019 16:42:40 +0800
- Cc: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
- In-reply-to: <20190613084240.16768-1-thunder.leizhen@huawei.com>
- References: <20190613084240.16768-1-thunder.leizhen@huawei.com>
The DMA mode PASSTHROUGH is not used on ia64.
Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
---
drivers/iommu/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 70741fd73b07785..63506f1cad3d149 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -91,7 +91,7 @@ choice
config IOMMU_DEFAULT_PASSTHROUGH
bool "passthrough"
- depends on !S390_IOMMU
+ depends on (!S390_IOMMU && !IA64)
help
In this mode, the DMA access through IOMMU without any addresses
translation. That means, the wrong or illegal DMA access can not
--
1.8.3
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