linux-kernel - [PATCH] iommu/vt-d: Add missing "__init" for rmrr_sanity

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Date:   Thu, 10 Feb 2022 03:31:41 +0100
From:   Marco Bonelli <marco@...eim.net>
To:     dwmw2@...radead.org
Cc:     Marco Bonelli <marco@...eim.net>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH] iommu/vt-d: Add missing "__init" for rmrr_sanity_check()

rmrr_sanity_check() calls arch_rmrr_sanity_check(), which is marked as
"__init". Add the annotation for rmrr_sanity_check() too. This function is
currently only called from dmar_parse_one_rmrr() which is also "__init".

Signed-off-by: Marco Bonelli <marco@...eim.net>
---
 drivers/iommu/intel/iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 92fea3fbbb11..7a308fd8d4b9 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -3691,7 +3691,7 @@ static void __init init_iommu_pm_ops(void)
 static inline void init_iommu_pm_ops(void) {}
 #endif	/* CONFIG_PM */
 
-static int rmrr_sanity_check(struct acpi_dmar_reserved_memory *rmrr)
+static int __init rmrr_sanity_check(struct acpi_dmar_reserved_memory *rmrr)
 {
 	if (!IS_ALIGNED(rmrr->base_address, PAGE_SIZE) ||
 	    !IS_ALIGNED(rmrr->end_address + 1, PAGE_SIZE) ||
-- 
2.30.2