On 24/04/14 13:49, Julien Grall wrote: > Hi David, > > On 04/24/2014 01:22 PM, David Vrabel wrote: >> On 18/04/14 16:54, Julien Grall wrote: >>> virt_to_pfn has been defined in asm/memory.h by the commit e26a9e0 "ARM: >>> Better >>> virt_to_page() handling" >>> >>> This will result of a compilation warning when CONFIG_XEN is enabled. >>> >>> arch/arm/include/asm/xen/page.h:80:0: warning: "virt_to_pfn" redefined >>> [enabled by default] >>> #define virt_to_pfn(v) (PFN_DOWN(__pa(v))) >>> ^ >>> In file included from arch/arm/include/asm/page.h:163:0, >>> from arch/arm/include/asm/xen/page.h:4, >>> from include/xen/page.h:4, >>> from arch/arm/xen/grant-table.c:33: >>> >>> The definition in memory.h is nearly the same (it directly expand PFN_DOWN), >>> so we can safely drop virt_to_pfn in xen include. >> >> >> This breaks the arm build for me. >> >> /local/davidvr/work/k.org/tip/drivers/block/xen-blkfront.c: In function >> ‘setup_blkring’: >> /local/davidvr/work/k.org/tip/drivers/block/xen-blkfront.c:1236:2: >> error: implicit declaration of function ‘virt_to_pfn’ >> [-Werror=implicit-function-declaration] >> err = xenbus_grant_ring(dev, virt_to_mfn(info->ring.sring)); >> ^ > > I don't have any issue to build the following branch with this patch on: > - v3.15-rc2 > - xentip master > - xentip for-linus-3.16
Applied to devel/for-linus-3.16. If something else turns up for 3.15 (and I remember) I'll take it for 3.15 instead. Thanks. David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/