[PATCH 20/23] sparc: iounit and iommu use pte_offset_kernel()
Hugh Dickins <[email protected]>
| Newsgroups | gmane.linux.ports.sh.devel,gmane.linux.ports.arm.kernel,gmane.linux.ports.ia64,gmane.linux.ports.mips,gmane.linux.ports.parisc,gmane.linux.ports.ppc64.devel,gmane.linux.ports.riscv,gmane.linux.ports.sparc,gmane.linux.kernel,gmane.linux.kernel.mm |
|---|---|
| Message-ID | <[email protected]> |
iounit_alloc() and sbus_iommu_alloc() are working from pmd_off_k(), so should use pte_offset_kernel() instead of pte_offset_map(), to avoid the question of whether a pte_unmap() will be needed to balance. Signed-off-by: Hugh Dickins <[email protected]> --- arch/sparc/mm/io-unit.c | 2 +- arch/sparc/mm/iommu.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c index bf3e6d2fe5d9..133dd42570d6 100644 --- a/arch/sparc/mm/io-unit.c +++ b/arch/sparc/mm/io-unit.c @@ -244,7 +244,7 @@ static void *iounit_alloc(struct device *dev, size_t len, long i; pmdp = pmd_off_k(addr); - ptep = pte_offset_map(pmdp, addr); + ptep = pte_offset_kernel(pmdp, addr); set_pte(ptep, mk_pte(virt_to_page(page), dvma_prot)); diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c index 9e3f6933ca13..3a6caef68348 100644 --- a/arch/sparc/mm/iommu.c +++ b/arch/sparc/mm/iommu.c @@ -358,7 +358,7 @@ static void *sbus_iommu_alloc(struct device *dev, size_t len, __flush_page_to_ram(page); pmdp = pmd_off_k(addr); - ptep = pte_offset_map(pmdp, addr); + ptep = pte_offset_kernel(pmdp, addr); set_pte(ptep, mk_pte(virt_to_page(page), dvma_prot)); } -- 2.35.3