On Sun, Jun 30, 2024 at 02:02:52PM +, Michael Kelley wrote:
> 1) Rename is_swiotlb_buffer() to swiotlb_find_pool(), since it
> now returns a pool. A NULL return value indicates that the
> paddr is not an swiotlb buffer.
>
> 2) Similarly, rename is_xen_swiotlb_buffer() to
> xen_swiotlb_find_po
On Sat, Jun 29, 2024 at 03:55:58PM +, Michael Kelley wrote:
> Unless there is further discussion on this point, I'll just keep the original
> "is_swiotlb_buffer()" in v2.
That is the wrong name for something that returns the pool as pointed
out before.
On Thu, Jun 27, 2024 at 04:02:59PM +, Michael Kelley wrote:
> > > Conceptually, it's still being used as a boolean function based on
> > > whether the return value is NULL. Renaming it to swiotlb_get_pool()
> > > more accurately describes the return value, but obscures the
> > > intent of dete
On Thu, Jun 27, 2024 at 02:59:03PM +, Michael Kelley wrote:
> Conceptually, it's still being used as a boolean function based on
> whether the return value is NULL. Renaming it to swiotlb_get_pool()
> more accurately describes the return value, but obscures the
> intent of determining if it is
On Wed, Jun 26, 2024 at 11:58:13PM +, Michael Kelley wrote:
> > This patch trades off making many of the core swiotlb APIs take
> > an additional argument in order to avoid duplicating calls to
> > swiotlb_find_pool(). The current code seems rather wasteful in
> > making 6 calls per round-trip,
On Fri, Aug 20, 2021 at 03:40:08PM +, Michael Kelley wrote:
> I see that the swiotlb code gets and uses the min_align_mask field. But
> the NVME driver is the only driver that ever sets it, so the value is zero
> in all other cases. Does swiotlb just use PAGE_SIZE in that that case? I
> coul
On Sat, Aug 21, 2021 at 02:04:11AM +0800, Tianyu Lan wrote:
> After dma_map_sg(), we still need to go through scatter list again to
> populate payload->rrange.pfn_array. We may just go through the scatter list
> just once if dma_map_sg() accepts a callback and run it during go
> through scatter l
On Thu, Aug 19, 2021 at 06:17:40PM +, Michael Kelley wrote:
> > +#define storvsc_dma_map(dev, page, offset, size, dir) \
> > + dma_map_page(dev, page, offset, size, dir)
> > +
> > +#define storvsc_dma_unmap(dev, dma_range, dir) \
> > + dma_unmap_page(dev, dma_range.dma,
On Thu, Aug 19, 2021 at 06:14:51PM +, Michael Kelley wrote:
> > + if (!pfns)
> > + return NULL;
> > +
> > + for (i = 0; i < size / HV_HYP_PAGE_SIZE; i++)
> > + pfns[i] = virt_to_hvpfn(buf + i * HV_HYP_PAGE_SIZE)
> > + + (ms_hyperv.shared_gpa_boundary >>
On Thu, Aug 19, 2021 at 06:11:30PM +, Michael Kelley wrote:
> This function is manipulating page tables in the guest VM. It is not involved
> in communicating with Hyper-V, or passing PFNs to Hyper-V. The pfn array
> contains guest PFNs, not Hyper-V PFNs. So it should use PAGE_SIZE
> instead
On Fri, Jan 04, 2019 at 01:45:26AM +, Huaisheng HS1 Ye wrote:
> From: Stefano Stabellini
> Sent: Friday, January 04, 2019 1:55 AM
> > On Thu, 3 Jan 2019, Huaisheng Ye wrote:
> > > From: Huaisheng Ye
> > >
> > > dma_common_get_sgtable has parameter attrs which is not used at all.
> > > Remove
11 matches
Mail list logo
