From: Qian Cai <cai@lca.pw>
To: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>,
kevin.tian@intel.com, ashok.raj@intel.com,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
jacob.jun.pan@intel.com
Subject: Re: [PATCH v2 1/1] iommu/vt-d: Add Kconfig option to enable/disable scalable mode
Date: Sun, 10 Nov 2019 21:58:56 -0500 [thread overview]
Message-ID: <472617D4-1652-45FB-90A4-0D45766DB78B@lca.pw> (raw)
In-Reply-To: <20191109034039.27964-1-baolu.lu@linux.intel.com>
> On Nov 8, 2019, at 10:43 PM, Lu Baolu <baolu.lu@linux.intel.com> wrote:
>
> +config INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON
> + prompt "Enable Intel IOMMU scalable mode by default"
> + depends on INTEL_IOMMU
> + help
> + Selecting this option will enable the scalable mode if
> + hardware presents the capability. If this option is not
> + selected, scalable mode support could also be enabled
> + by passing intel_iommu=sm_on to the kernel.
> +
Does it also make sense to mention which hardware presents this capability or how to check it?
next prev parent reply other threads:[~2019-11-11 2:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-09 3:40 [PATCH v2 1/1] iommu/vt-d: Add Kconfig option to enable/disable scalable mode Lu Baolu
2019-11-09 3:59 ` Qian Cai
2019-11-11 1:27 ` Lu Baolu
2019-11-11 2:00 ` Qian Cai
2019-11-11 2:17 ` Lu Baolu
2019-11-11 2:58 ` Qian Cai [this message]
2019-11-11 5:20 ` Lu Baolu
2019-11-11 14:05 ` Qian Cai
2019-11-12 5:48 ` Lu Baolu
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