| Message ID | 20220222153514.593231-6-hch@lst.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [01/11] dma-direct: use is_swiotlb_active in dma_direct_map_page | expand |
On 2/22/22 9:05 PM, Christoph Hellwig wrote: > Let the caller chose a zone to allocate from. This is being used later via xen_swiotlb_gfp() on arm platform. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > --- > arch/x86/pci/sta2x11-fixup.c | 2 +- > include/linux/swiotlb.h | 2 +- > kernel/dma/swiotlb.c | 4 ++-- > 3 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/arch/x86/pci/sta2x11-fixup.c b/arch/x86/pci/sta2x11-fixup.c > index e0c039a75b2db..c7e6faf59a861 100644 > --- a/arch/x86/pci/sta2x11-fixup.c > +++ b/arch/x86/pci/sta2x11-fixup.c > @@ -57,7 +57,7 @@ static void sta2x11_new_instance(struct pci_dev *pdev) > int size = STA2X11_SWIOTLB_SIZE; > /* First instance: register your own swiotlb area */ > dev_info(&pdev->dev, "Using SWIOTLB (size %i)\n", size); > - if (swiotlb_init_late(size)) > + if (swiotlb_init_late(size, GFP_DMA)) > dev_emerg(&pdev->dev, "init swiotlb failed\n"); > } > list_add(&instance->list, &sta2x11_instance_list); > diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h > index b48b26bfa0edb..1befd6b2ccf5e 100644 > --- a/include/linux/swiotlb.h > +++ b/include/linux/swiotlb.h > @@ -40,7 +40,7 @@ extern void swiotlb_init(int verbose); > int swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose); > unsigned long swiotlb_size_or_default(void); > extern int swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs); > -int swiotlb_init_late(size_t size); > +int swiotlb_init_late(size_t size, gfp_t gfp_mask); > extern void __init swiotlb_update_mem_attributes(void); > > phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, phys_addr_t phys, > diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c > index 5f64b02fbb732..a653fcf1fe6c2 100644 > --- a/kernel/dma/swiotlb.c > +++ b/kernel/dma/swiotlb.c > @@ -290,7 +290,7 @@ swiotlb_init(int verbose) > * initialize the swiotlb later using the slab allocator if needed. > * This should be just like above, but with some error catching. > */ > -int swiotlb_init_late(size_t size) > +int swiotlb_init_late(size_t size, gfp_t gfp_mask) > { > unsigned long nslabs = ALIGN(size >> IO_TLB_SHIFT, IO_TLB_SEGSIZE); > unsigned long bytes; > @@ -309,7 +309,7 @@ int swiotlb_init_late(size_t size) > bytes = nslabs << IO_TLB_SHIFT; > > while ((SLABS_PER_PAGE << order) > IO_TLB_MIN_SLABS) { > - vstart = (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, > + vstart = (void *)__get_free_pages(gfp_mask | __GFP_NOWARN, > order); > if (vstart) > break; > Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
diff --git a/arch/x86/pci/sta2x11-fixup.c b/arch/x86/pci/sta2x11-fixup.c index e0c039a75b2db..c7e6faf59a861 100644 --- a/arch/x86/pci/sta2x11-fixup.c +++ b/arch/x86/pci/sta2x11-fixup.c @@ -57,7 +57,7 @@ static void sta2x11_new_instance(struct pci_dev *pdev) int size = STA2X11_SWIOTLB_SIZE; /* First instance: register your own swiotlb area */ dev_info(&pdev->dev, "Using SWIOTLB (size %i)\n", size); - if (swiotlb_init_late(size)) + if (swiotlb_init_late(size, GFP_DMA)) dev_emerg(&pdev->dev, "init swiotlb failed\n"); } list_add(&instance->list, &sta2x11_instance_list); diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index b48b26bfa0edb..1befd6b2ccf5e 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -40,7 +40,7 @@ extern void swiotlb_init(int verbose); int swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose); unsigned long swiotlb_size_or_default(void); extern int swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs); -int swiotlb_init_late(size_t size); +int swiotlb_init_late(size_t size, gfp_t gfp_mask); extern void __init swiotlb_update_mem_attributes(void); phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, phys_addr_t phys, diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index 5f64b02fbb732..a653fcf1fe6c2 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -290,7 +290,7 @@ swiotlb_init(int verbose) * initialize the swiotlb later using the slab allocator if needed. * This should be just like above, but with some error catching. */ -int swiotlb_init_late(size_t size) +int swiotlb_init_late(size_t size, gfp_t gfp_mask) { unsigned long nslabs = ALIGN(size >> IO_TLB_SHIFT, IO_TLB_SEGSIZE); unsigned long bytes; @@ -309,7 +309,7 @@ int swiotlb_init_late(size_t size) bytes = nslabs << IO_TLB_SHIFT; while ((SLABS_PER_PAGE << order) > IO_TLB_MIN_SLABS) { - vstart = (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, + vstart = (void *)__get_free_pages(gfp_mask | __GFP_NOWARN, order); if (vstart) break;
Let the caller chose a zone to allocate from. Signed-off-by: Christoph Hellwig <hch@lst.de> --- arch/x86/pci/sta2x11-fixup.c | 2 +- include/linux/swiotlb.h | 2 +- kernel/dma/swiotlb.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-)