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| author | Longpeng(Mike) <longpeng2@huawei.com> | 2021-10-14 08:38:38 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-10-18 13:31:48 +0300 |
| commit | 37c8041a818dec2cea22ea48a3f90d512a9e1fcd (patch) | |
| tree | 1b2e97ec1e8e6e2cd8dbc92b6bbcd0a2afe05887 /include/linux/intel-iommu.h | |
| parent | 00ecd5401349a5e23d2ad768a23b110030165fac (diff) | |
| download | linux-37c8041a818dec2cea22ea48a3f90d512a9e1fcd.tar.xz | |
iommu/vt-d: Convert the return type of first_pte_in_page to bool
The first_pte_in_page() returns true or false, so let's convert its
return type to bool. In addition, use 'IS_ALIGNED' to make the
code more readable and neater.
Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Link: https://lore.kernel.org/r/20211008000433.1115-1-longpeng2@huawei.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20211014053839.727419-9-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/intel-iommu.h')
| -rw-r--r-- | include/linux/intel-iommu.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 65b15af3cf1a..52481625838c 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -705,9 +705,9 @@ static inline bool dma_pte_superpage(struct dma_pte *pte) return (pte->val & DMA_PTE_LARGE_PAGE); } -static inline int first_pte_in_page(struct dma_pte *pte) +static inline bool first_pte_in_page(struct dma_pte *pte) { - return !((unsigned long)pte & ~VTD_PAGE_MASK); + return IS_ALIGNED((unsigned long)pte, VTD_PAGE_SIZE); } extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev); |