Re: [PATCH v3 1/7] swiotlb: make io_tlb_default_mem local to swiotlb.c

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, 27 Jun 2023 17:48:02 +0200
Christoph Hellwig <hch@xxxxxx> 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 SWIOTLB, the system does not set up one at boot.  
> 
> Please take a look at my "unexport swiotlb_active v2" series that
> unfortunately missed the 6.5 merge window waiting for reviews.

I noticed it, but it seems I missed the part which completely removes
pci_xen_swiotlb_init_late().

Then we're left only with a reference from xen_mm_init() in
arch/arm/xen/mm.c, and I believe this one can also be solved
differently.

Petr T




[Index of Archives]     [LKML Archive]     [Linux ARM Kernel]     [Linux ARM]     [Git]     [Yosemite News]     [Linux SCSI]     [Linux Hams]

  Powered by Linux