On Sun, Mar 06, 2022 at 12:30:55PM -0800, Linus Torvalds wrote:
> So I would expect that
>
> (a) READ/WRITE actually fills the whole buffer
>
> (b) READ/WRITE are the only ones where we care about performance at a
> bounce-buffer level
>
> so it boils down to "do we still do this horrible memc
On Sat, Mar 5, 2022 at 11:58 PM Christoph Hellwig wrote:
>
> All of thee apply to all I/O. SG_IO is just a vector here as a
> particularly badly designed userspace interface that happens to get a
> decent test coverage.
I phrased that badly. I didn't mean SG_IO in particular, I meant any
of the
On Sat, Mar 05, 2022 at 11:44:51AM -0800, Linus Torvalds wrote:
> Christoph, I am assuming I'll get this from you, but if you have
> nothing else pending, just holler and I can take it directly.
I have nothing else pending, so feel free to take it directly:
Reviewed-by: Christoph Hellwig
> That
On Sat, Mar 5, 2022 at 9:07 AM Halil Pasic wrote:
>
> Unfortunately, we ended up merging an old version of the patch "fix info
> leak with DMA_FROM_DEVICE" instead of merging the latest one. Christoph
> (the swiotlb maintainer), he asked me to create an incremental fix
> (after I have pointed this
Unfortunately, we ended up merging an old version of the patch "fix info
leak with DMA_FROM_DEVICE" instead of merging the latest one. Christoph
(the swiotlb maintainer), he asked me to create an incremental fix
(after I have pointed this out the mix up, and asked him for guidance).
So here we go.