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Date: Sat, 13 Jun 2015 08:47:10 +0200 From: Joerg Roedel <joro@...tes.org> To: iommu@...ts.linux-foundation.org Cc: David Woodhouse <dwmw2@...radead.org>, zhen-hual@...com, bhe@...hat.com, ddutile@...hat.com, alex.williamson@...hat.com, dyoung@...hat.com, linux-kernel@...r.kernel.org, jroedel@...tes.org, joro@...tes.org, Joerg Roedel <jroedel@...e.de> Subject: [PATCH 02/19] iommu/vt-d: Init QI before root entry is allocated From: Joerg Roedel <jroedel@...e.de> QI needs to be available when we write the root entry into hardware because flushes might be necessary after this. Signed-off-by: Joerg Roedel <jroedel@...e.de> --- drivers/iommu/intel-iommu.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 14af51d..b380fd1 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2783,6 +2783,8 @@ static int __init init_dmars(void) for_each_active_iommu(iommu, drhd) { g_iommus[iommu->seq_id] = iommu; + intel_iommu_init_qi(iommu); + ret = iommu_init_domains(iommu); if (ret) goto free_iommu; @@ -2799,9 +2801,6 @@ static int __init init_dmars(void) hw_pass_through = 0; } - for_each_active_iommu(iommu, drhd) - intel_iommu_init_qi(iommu); - if (iommu_pass_through) iommu_identity_mapping |= IDENTMAP_ALL; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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