search for: xen_pv_pci_poss

Displaying 2 results from an estimated 2 matches for "xen_pv_pci_poss".

2023 Jun 12
1
[PATCH 2/4] x86: always initialize xen-swiotlb when xen-pcifront is enabling
...(at least I hope so). >> >> So is this an ACK for the patch and can we go ahead with it? > > As long as above mentioned check of the E820 map is done, yes. > > If you want I can send a diff to be folded into your patch on Monday. Attached is a patch for adding a new flag xen_pv_pci_possible. You can either add the patch to your series or merge it into your patch 2. You need to modify your patch like this: @@ -111,7 +90,10 @@ static inline void __init pci_xen_swiotlb_init(void) void __init pci_iommu_alloc(void) { if (xen_pv_domain()) { - if (xen_initial_domain() || x86_sw...
2023 Jun 09
2
[PATCH 2/4] x86: always initialize xen-swiotlb when xen-pcifront is enabling
On 07.06.23 15:12, Christoph Hellwig wrote: > On Mon, May 22, 2023 at 10:37:09AM +0200, Juergen Gross wrote: >> In normal cases PCI passthrough in PV guests requires to start the guest >> with e820_host=1. So it should be rather easy to limit allocating the >> 64MB in PV guests to the cases where the memory map has non-RAM regions >> especially in the first 1MB of the