Re: [PATCH v7 5/9] PCI: Add pci_iomap_wc() variants
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2015-06-25 22:54:34
Also in:
linux-pci, lkml, xen-devel
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2015-06-25 22:54:34
Also in:
linux-pci, lkml, xen-devel
On Thu, 2015-06-25 at 21:40 +0000, Casey Leedom wrote:
Hhmmm, so what do PowerPC Drivers do when they want to take advantage of Write Combining? Do their own Endian Swizzling with the __raw_*() APIs?
Yeah either, we need to fix our relaxed implementation (patch welcome :-) Cheers, Ben.