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

[Michael S. Tsirkin]

Quoting r. Greg KH <gregkh at suse.de>:
> 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 at mellanox.co.il>

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