Re: [PATCH] arch/xx/pci: remap_pfn_range -> io_remap_pfn_range

From: Michael S. Tsirkin
Date: Sun Jul 31 2005 - 03:52:24 EST


Quoting r. Greg KH <gregkh@xxxxxxx>:
> Subject: Re: [openib-general] Re: [PATCH] arch/xx/pci: remap_pfn_range -> io_remap_pfn_range
> If this is a fix for xen, fine, then say so in the changelog information
> for the patch, as it is, no such information was given.
>
> thanks,
>
> greg k-h
>

Like this?

---

Convert i386/pci to use io_remap_pfn_range instead of remap_pfn_range.
This is good for Xen which reuses i386/pci/i386.c for domain 0 code.

Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxxxxxx>

Index: linux-2.6.12.2/arch/i386/pci/i386.c
===================================================================
--- linux-2.6.12.2.orig/arch/i386/pci/i386.c
+++ linux-2.6.12.2/arch/i386/pci/i386.c
@@ -295,9 +295,9 @@ int pci_mmap_page_range(struct pci_dev *
/* Write-combine setting is ignored, it is changed via the mtrr
* interfaces on this platform.
*/
- if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot))
+ if (io_remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
+ vma->vm_end - vma->vm_start,
+ vma->vm_page_prot))
return -EAGAIN;

return 0;

--
MST
-
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