From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: [PATCH 18/26] iommu/vt-d: Pass an iommu pointer to domain_init() Date: Wed, 5 Aug 2015 17:18:49 +0200 Message-ID: <1438787937-7340-19-git-send-email-joro@8bytes.org> References: <1438787937-7340-1-git-send-email-joro@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1438787937-7340-1-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: jroedel-l3A5Bk7waGM@public.gmane.org, David Woodhouse , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: iommu@lists.linux-foundation.org From: Joerg Roedel This allows to do domain->iommu attachment after domain_init has run. Signed-off-by: Joerg Roedel --- drivers/iommu/intel-iommu.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 08391a6..90c3fa5 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1829,9 +1829,9 @@ static inline int guestwidth_to_adjustwidth(int gaw) return agaw; } -static int domain_init(struct dmar_domain *domain, int guest_width) +static int domain_init(struct dmar_domain *domain, struct intel_iommu *iommu, + int guest_width) { - struct intel_iommu *iommu; int adjust_width, agaw; unsigned long sagaw; @@ -1840,7 +1840,6 @@ static int domain_init(struct dmar_domain *domain, int guest_width) domain_reserve_special_ranges(domain); /* calculate AGAW */ - iommu = domain_get_iommu(domain); if (guest_width > cap_mgaw(iommu->cap)) guest_width = cap_mgaw(iommu->cap); domain->gaw = guest_width; @@ -2387,7 +2386,7 @@ static struct dmar_domain *get_domain_for_dev(struct device *dev, int gaw) return NULL; } domain_attach_iommu(domain, iommu); - if (domain_init(domain, gaw)) { + if (domain_init(domain, iommu, gaw)) { domain_exit(domain); return NULL; } -- 1.9.1