Thread (1 message) 1 message, 1 author, 2021-08-13

Re: [PATCH v4 12/15] pci: Mark MSI data shared

From: Christoph Hellwig <hch@infradead.org>
Date: 2021-08-13 08:11:58
Also in: linux-alpha, linux-arch, linux-doc, linux-mips, linux-pci, lkml, sparclinux

On Wed, Aug 04, 2021 at 05:52:15PM -0700, Kuppuswamy Sathyanarayanan wrote:
 
-	return ioremap(phys_addr, nr_entries * PCI_MSIX_ENTRY_SIZE);
+	return ioremap_shared(phys_addr, nr_entries * PCI_MSIX_ENTRY_SIZE);
Please add a comment here.  I also find the amount of ioremap_* variants
rather frustrating.  Maybe it it is time for a ioremap_flags which
replaces the too-lowlevel pgprot_t of the ioremap_prot provided by some
architectures with a more highlevel flags arguments that could also
provide an accessible to the hypervisor flag.
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