From: Suravee Suthikulpanit Date: Thu, 21 Sep 2023 09:21:36 +0000 (+0000) Subject: iommu/amd: Consolidate logic to allocate protection domain X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ba7d263b7749f8e7f227d7357963632711b5c6ea;p=linux.git iommu/amd: Consolidate logic to allocate protection domain Move the logic into the common caller function to simplify the code. No functional changes intended. Signed-off-by: Suravee Suthikulpanit Signed-off-by: Vasant Hegde Reviewed-by: Jason Gunthorpe Reviewed-by: Jerry Snitselaar Link: https://lore.kernel.org/r/20230921092147.5930-4-vasant.hegde@amd.com Signed-off-by: Joerg Roedel --- diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 6fa6a0527d7ba..c99611139ab55 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -2046,12 +2046,6 @@ static int protection_domain_init_v1(struct protection_domain *domain, int mode) BUG_ON(mode < PAGE_MODE_NONE || mode > PAGE_MODE_6_LEVEL); - spin_lock_init(&domain->lock); - domain->id = domain_id_alloc(); - if (!domain->id) - return -ENOMEM; - INIT_LIST_HEAD(&domain->dev_list); - if (mode != PAGE_MODE_NONE) { pt_root = (void *)get_zeroed_page(GFP_KERNEL); if (!pt_root) { @@ -2067,12 +2061,6 @@ static int protection_domain_init_v1(struct protection_domain *domain, int mode) static int protection_domain_init_v2(struct protection_domain *domain) { - spin_lock_init(&domain->lock); - domain->id = domain_id_alloc(); - if (!domain->id) - return -ENOMEM; - INIT_LIST_HEAD(&domain->dev_list); - domain->flags |= PD_GIOV_MASK; domain->domain.pgsize_bitmap = AMD_IOMMU_PGSIZES_V2; @@ -2112,6 +2100,13 @@ static struct protection_domain *protection_domain_alloc(unsigned int type) if (!domain) return NULL; + domain->id = domain_id_alloc(); + if (!domain->id) + goto out_err; + + spin_lock_init(&domain->lock); + INIT_LIST_HEAD(&domain->dev_list); + switch (pgtable) { case AMD_IOMMU_V1: ret = protection_domain_init_v1(domain, mode);