[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] arm/xen: Remove definiition of virt_to_pfn in asm/xen/page.h
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)); ^ David _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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