On Tue, 27 Jun 2023 17:48:02 +0200
Christoph Hellwig wrote:
> On Tue, Jun 27, 2023 at 01:30:06PM +0200, Petr Tesařík wrote:
> > Xen is the only user of an "is SWIOTLB present" interface. IIUC Xen
> > needs bounce buffers for the PCI frontend driver, but if there is no
> > other reason to have a
On Tue, Jun 27, 2023 at 01:30:06PM +0200, Petr Tesařík wrote:
> Xen is the only user of an "is SWIOTLB present" interface. IIUC Xen
> needs bounce buffers for the PCI frontend driver, but if there is no
> other reason to have a SWIOTLB, the system does not set up one at boot.
Please take a look
Oops, originally sent only to Robin. Restoring the recipient list here...
On Tue, 27 Jun 2023 11:55:00 +0100
Robin Murphy wrote:
> On 27/06/2023 11:24 am, Greg Kroah-Hartman wrote:
> > On Tue, Jun 27, 2023 at 11:54:23AM +0200, Petr Tesarik wrote:
> >> +/**
> >> + * is_swiotlb_active() -
On Tue, 27 Jun 2023 11:55:00 +0100
Robin Murphy wrote:
> On 27/06/2023 11:24 am, Greg Kroah-Hartman wrote:
> > On Tue, Jun 27, 2023 at 11:54:23AM +0200, Petr Tesarik wrote:
> >> +/**
> >> + * is_swiotlb_active() - check if the software IO TLB is initialized
> >> + * @dev: Device to check, or
On 27/06/2023 11:24 am, Greg Kroah-Hartman wrote:
On Tue, Jun 27, 2023 at 11:54:23AM +0200, Petr Tesarik wrote:
+/**
+ * is_swiotlb_active() - check if the software IO TLB is initialized
+ * @dev: Device to check, or %NULL for the default IO TLB.
+ */
bool is_swiotlb_active(struct
On Tue, Jun 27, 2023 at 11:54:23AM +0200, Petr Tesarik wrote:
> +/**
> + * is_swiotlb_active() - check if the software IO TLB is initialized
> + * @dev: Device to check, or %NULL for the default IO TLB.
> + */
> bool is_swiotlb_active(struct device *dev)
> {
> - struct io_tlb_mem *mem =
