On 4/3/22 10:05 PM, Christoph Hellwig wrote:
> To shared more code between swiotlb and xen-swiotlb, offer a
> swiotlb_init_remap interface and add a remap callback to
> swiotlb_init_late that will allow Xen to remap the buffer the
> buffer without duplicating much of the logic.
>
> Signed-off-b
Hi Christoph,
On Mon, Apr 04, 2022 at 05:05:56AM +, Christoph Hellwig wrote:
> From: Christoph Hellwig
> Subject: [PATCH 12/15] swiotlb: provide swiotlb_init variants that remap
> the buffer
>
> To shared more code between swiotlb and xen-swiotlb, offer a
> swiotlb_init_r
To shared more code between swiotlb and xen-swiotlb, offer a
swiotlb_init_remap interface and add a remap callback to
swiotlb_init_late that will allow Xen to remap the buffer the
buffer without duplicating much of the logic.
Signed-off-by: Christoph Hellwig
---
arch/x86/pci/sta2x11-fixup.c | 2
On 3/15/22 2:36 AM, Christoph Hellwig wrote:
@@ -271,12 +273,23 @@ void __init swiotlb_init(bool addressing_limit, unsigned
int flags)
* allow to pick a location everywhere for hypervisors with guest
* memory encryption.
*/
+retry:
+ bytes = PAGE_ALIGN(defaul
On Mon, Mar 14, 2022 at 06:39:21PM -0400, Boris Ostrovsky wrote:
> This is IO_TLB_MIN_SLABS, isn't it? (Xen code didn't say so but that's what
> it meant to say I believe)
Yes, that makes much more sense. I've switched the patch to use
IO_TLB_MIN_SLABS and drop the 2MB comment in both places.
C
On 3/14/22 3:31 AM, Christoph Hellwig wrote:
-void __init swiotlb_init(bool addressing_limit, unsigned int flags)
+void __init swiotlb_init_remap(bool addressing_limit, unsigned int flags,
+ int (*remap)(void *tlb, unsigned long nslabs))
{
- size_t bytes = PAGE_ALIGN(defau
To shared more code between swiotlb and xen-swiotlb, offer a
swiotlb_init_remap interface and add a remap callback to
swiotlb_init_late that will allow Xen to remap the buffer the
buffer without duplicating much of the logic.
Signed-off-by: Christoph Hellwig
---
arch/x86/pci/sta2x11-fixup.c | 2
