linux-kernel - Re: Xen build error on ARM with 3.14 merge window kernels

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Date:	Mon, 3 Feb 2014 11:14:27 +0000
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	Josh Boyer <jwboyer@...oraproject.org>
CC:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	<xen-devel@...ts.xenproject.org>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: Xen build error on ARM with 3.14 merge window kernels

On Sun, 2 Feb 2014, Josh Boyer wrote:
> Hi All,
> 
> With v3.13-11147-gb399c46 I'm seeing the following build errors for
> Xen on ARM.  I haven't been able to test Linus' recent tree yet, but I
> was wondering if anyone had seen this yet.
> 
> josh

Thanks for the report, we'll fix as soon as possible.


> drivers/xen/grant-table.c: In function '__gnttab_map_refs':
> drivers/xen/grant-table.c:989:3: error: implicit declaration of
> function 'FOREIGN_FRAME' [-Werror=implicit-function-declaration]
>    if (unlikely(!set_phys_to_machine(pfn, FOREIGN_FRAME(mfn)))) {
>    ^
> drivers/xen/grant-table.c: In function '__gnttab_unmap_refs':
> drivers/xen/grant-table.c:1054:3: error: implicit declaration of
> function 'get_phys_to_machine' [-Werror=implicit-function-declaration]
>    mfn = get_phys_to_machine(pfn);
>    ^
> drivers/xen/grant-table.c:1055:43: error: 'FOREIGN_FRAME_BIT'
> undeclared (first use in this function)
>    if (mfn == INVALID_P2M_ENTRY || !(mfn & FOREIGN_FRAME_BIT)) {
>                                            ^
> drivers/xen/grant-table.c:1055:43: note: each undeclared identifier is
> reported only once for each function it appears in
> drivers/xen/grant-table.c:1068:9: error: too many arguments to
> function 'm2p_remove_override'
>          mfn);
>          ^
> In file included from include/xen/page.h:4:0,
>                  from drivers/xen/grant-table.c:48:
> /home/jwboyer/rpmbuild/BUILD/kernel-3.13.fc20/linux-3.14.0-0.rc0.git20.1.fc20.armv7hl/arch/arm/include/asm/xen/page.h:106:19:
> note: declared here
>  static inline int m2p_remove_override(struct page *page, bool clear_pte)
>                    ^
> cc1: some warnings being treated as errors
> make[2]: *** [drivers/xen/grant-table.o] Error 1
> 
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