From: John Garry <john.garry@huawei.com> To: <joro@8bytes.org>, <will@kernel.org>, <dwmw2@infradead.org>, <baolu.lu@linux.intel.com>, <robin.murphy@arm.com> Cc: <linux-kernel@vger.kernel.org>, <iommu@lists.linux-foundation.org>, <linuxarm@huawei.com>, <thunder.leizhen@huawei.com>, <chenxiang66@hisilicon.com>, John Garry <john.garry@huawei.com> Subject: [PATCH v10 2/3] iommu/vt-d: Add support for IOMMU default DMA mode build options Date: Thu, 3 Jun 2021 21:58:34 +0800 [thread overview] Message-ID: <1622728715-209296-3-git-send-email-john.garry@huawei.com> (raw) In-Reply-To: <1622728715-209296-1-git-send-email-john.garry@huawei.com> From: Zhen Lei <thunder.leizhen@huawei.com> Make IOMMU_DEFAULT_LAZY default for when INTEL_IOMMU config is set, and make intel_iommu_strict initially hold value of IS_ENABLED(CONFIG_IOMMU_DEFAULT_STRICT). Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: John Garry <john.garry@huawei.com> --- drivers/iommu/Kconfig | 1 + drivers/iommu/intel/iommu.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 12ef90256df8..03c88cee806f 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -94,6 +94,7 @@ choice prompt "IOMMU default DMA mode" depends on IOMMU_API + default IOMMU_DEFAULT_LAZY if INTEL_IOMMU default IOMMU_DEFAULT_STRICT help This option allows an IOMMU DMA mode to be chosen at build time, to diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 708f430af1c4..0d4d2c18ee77 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -360,7 +360,7 @@ int intel_iommu_enabled = 0; EXPORT_SYMBOL_GPL(intel_iommu_enabled); static int dmar_map_gfx = 1; -static int intel_iommu_strict; +static int intel_iommu_strict = IS_ENABLED(CONFIG_IOMMU_DEFAULT_STRICT); static int intel_iommu_superpage = 1; static int iommu_identity_mapping; static int iommu_skip_te_disable; -- 2.26.2
WARNING: multiple messages have this Message-ID (diff)
From: John Garry <john.garry@huawei.com> To: <joro@8bytes.org>, <will@kernel.org>, <dwmw2@infradead.org>, <baolu.lu@linux.intel.com>, <robin.murphy@arm.com> Cc: linux-kernel@vger.kernel.org, linuxarm@huawei.com, iommu@lists.linux-foundation.org Subject: [PATCH v10 2/3] iommu/vt-d: Add support for IOMMU default DMA mode build options Date: Thu, 3 Jun 2021 21:58:34 +0800 [thread overview] Message-ID: <1622728715-209296-3-git-send-email-john.garry@huawei.com> (raw) In-Reply-To: <1622728715-209296-1-git-send-email-john.garry@huawei.com> From: Zhen Lei <thunder.leizhen@huawei.com> Make IOMMU_DEFAULT_LAZY default for when INTEL_IOMMU config is set, and make intel_iommu_strict initially hold value of IS_ENABLED(CONFIG_IOMMU_DEFAULT_STRICT). Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: John Garry <john.garry@huawei.com> --- drivers/iommu/Kconfig | 1 + drivers/iommu/intel/iommu.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 12ef90256df8..03c88cee806f 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -94,6 +94,7 @@ choice prompt "IOMMU default DMA mode" depends on IOMMU_API + default IOMMU_DEFAULT_LAZY if INTEL_IOMMU default IOMMU_DEFAULT_STRICT help This option allows an IOMMU DMA mode to be chosen at build time, to diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 708f430af1c4..0d4d2c18ee77 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -360,7 +360,7 @@ int intel_iommu_enabled = 0; EXPORT_SYMBOL_GPL(intel_iommu_enabled); static int dmar_map_gfx = 1; -static int intel_iommu_strict; +static int intel_iommu_strict = IS_ENABLED(CONFIG_IOMMU_DEFAULT_STRICT); static int intel_iommu_superpage = 1; static int iommu_identity_mapping; static int iommu_skip_te_disable; -- 2.26.2 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2021-06-03 14:03 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-03 13:58 [PATCH v10 0/3] Enhance IOMMU default DMA mode build options John Garry 2021-06-03 13:58 ` John Garry 2021-06-03 13:58 ` [PATCH v10 1/3] iommu: " John Garry 2021-06-03 13:58 ` John Garry 2021-06-03 17:00 ` Randy Dunlap 2021-06-03 17:00 ` Randy Dunlap 2021-06-03 17:04 ` John Garry 2021-06-03 17:04 ` John Garry 2021-06-04 2:54 ` Leizhen (ThunderTown) 2021-06-04 2:54 ` Leizhen (ThunderTown) 2021-06-04 8:19 ` John Garry 2021-06-04 8:19 ` John Garry 2021-06-03 13:58 ` John Garry [this message] 2021-06-03 13:58 ` [PATCH v10 2/3] iommu/vt-d: Add support for " John Garry 2021-06-03 13:58 ` [PATCH v10 3/3] iommu/amd: " John Garry 2021-06-03 13:58 ` John Garry
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