From: Marcelo Tosatti <mtosatti@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Avi Kivity <avi@redhat.com>, kvm <kvm@vger.kernel.org>,
Joerg Roedel <joerg.roedel@amd.com>
Subject: Re: [PATCH] KVM: Fix signature of kvm_iommu_map_pages stub
Date: Mon, 18 Oct 2010 11:04:00 -0200 [thread overview]
Message-ID: <20101018130400.GD29108@amt.cnet> (raw)
In-Reply-To: <4CB6FB07.10209@siemens.com>
On Thu, Oct 14, 2010 at 02:43:51PM +0200, Jan Kiszka wrote:
> Am 14.10.2010 13:59, Jan Kiszka wrote:
> > Breaks otherwise if CONFIG_IOMMU_API is not set.
>
> Actually, it only broke a special local version. It doesn't break with
> current KVM due to
>
> [__kvm_set_memory_region:]
> #ifdef CONFIG_DMAR
> /* map the pages in iommu page table */
> if (npages) {
> r = kvm_iommu_map_pages(kvm, &new);
> if (r)
> goto out_free;
> }
> #endif
>
> And CONFIG_IOMMU_API is set when CONFIG_DMAR is enabled. But do we only
> need this call on Intel?
On CONFIG_AMD_IOMMU too. It should be conditional on CONFIG_IOMMU_API.
next prev parent reply other threads:[~2010-10-18 13:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-14 11:59 [PATCH] KVM: Fix signature of kvm_iommu_map_pages stub Jan Kiszka
2010-10-14 12:43 ` Jan Kiszka
2010-10-18 13:04 ` Marcelo Tosatti [this message]
2010-10-18 13:11 ` Jan Kiszka
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