Re: swiotlb cleanups v3

2021-04-20 Thread Tom Lendacky
On 4/20/21 4:23 AM, Christoph Hellwig wrote: > On Sat, Apr 17, 2021 at 11:39:22AM -0500, Tom Lendacky wrote: >> Somewhere between the 1st and 2nd patch, specifying a specific swiotlb >> for an SEV guest is no longer honored. For example, if I start an SEV >> guest with 16GB of memory and specify

Re: swiotlb cleanups v3

2021-04-20 Thread Christoph Hellwig
On Sat, Apr 17, 2021 at 11:39:22AM -0500, Tom Lendacky wrote: > Somewhere between the 1st and 2nd patch, specifying a specific swiotlb > for an SEV guest is no longer honored. For example, if I start an SEV > guest with 16GB of memory and specify swiotlb=131072 I used to get a > 256MB SWIOTLB.

Re: swiotlb cleanups v3

2021-04-17 Thread Tom Lendacky
On 4/17/21 11:39 AM, Tom Lendacky wrote: >> Hi Konrad, >> >> this series contains a bunch of swiotlb cleanups, mostly to reduce the >> amount of internals exposed to code outside of swiotlb.c, which should >> helper to prepare for supporting multiple different bounce buffer pools. > > Somewhere

Re: swiotlb cleanups v3

2021-04-17 Thread Tom Lendacky
> Hi Konrad, > > this series contains a bunch of swiotlb cleanups, mostly to reduce the > amount of internals exposed to code outside of swiotlb.c, which should > helper to prepare for supporting multiple different bounce buffer pools. Somewhere between the 1st and 2nd patch, specifying a

swiotlb cleanups v3

2021-03-18 Thread Christoph Hellwig
Hi Konrad, this series contains a bunch of swiotlb cleanups, mostly to reduce the amount of internals exposed to code outside of swiotlb.c, which should helper to prepare for supporting multiple different bounce buffer pools. Changes since v2: - fix a bisetion hazard that did not allocate the