linux-kernel - Re: [Xen-devel] [PATCH v5 0/6] xen/PMU: PMU support for Xen PV(H) guests

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Date:	Fri, 7 Aug 2015 16:35:10 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	<david.vrabel@...rix.com>, <konrad.wilk@...cle.com>
CC:	<kevin.tian@...el.com>, <linux-kernel@...r.kernel.org>,
	<dietmar.hahn@...fujitsu.com>, <xen-devel@...ts.xen.org>,
	<jbeulich@...e.com>
Subject: Re: [Xen-devel] [PATCH v5 0/6] xen/PMU: PMU support for Xen PV(H)
 guests

On 02/07/15 15:53, Boris Ostrovsky wrote:
> I haven't posted Linux part of PV(H) VPMU support in a while but now
> that (hopefully) the hypervisor part is getting close to be done I
> think it's time to post it again.
> 
> There are very few differences compared to the last version, mostly due
> to updates in shared structures layouts. Patches 1 and 4 have no changes
> at all and patch 5 has minor changes due to rebasing so I kept David's
> Reviewed-by tag.

This breaks the arm and arm64 builds.

In file included from
/local/davidvr/work/k.org/tip/drivers/xen/sys-hypervisor.c:23:0:
/local/davidvr/work/k.org/tip/include/xen/interface/xenpmu.h:91:22:
error: field ‘pmu’ has incomplete type
  struct xen_pmu_arch pmu;
                      ^
/local/davidvr/work/k.org/tip/drivers/xen/sys-hypervisor.c: In function
‘pmu_mode_store’:
/local/davidvr/work/k.org/tip/drivers/xen/sys-hypervisor.c:403:2: error:
implicit declaration of function ‘HYPERVISOR_xenpmu_op’
[-Werror=implicit-function-declaration]
  ret = HYPERVISOR_xenpmu_op(XENPMU_mode_set, &xp);
  ^
cc1: some warnings being treated as errors
/local/davidvr/work/k.org/tip/scripts/Makefile.build:258: recipe for
target 'drivers/xen/sys-hypervisor.o' failed
make[3]: *** [drivers/xen/sys-hypervisor.o] Error 1
make[3]: *** Waiting for unfinished jobs....
/local/davidvr/work/k.org/tip/drivers/xen/xenfs/xensyms.c: In function
‘xensyms_next_sym’:
/local/davidvr/work/k.org/tip/drivers/xen/xenfs/xensyms.c:34:2: error:
implicit declaration of function ‘HYPERVISOR_dom0_op’
[-Werror=implicit-function-declaration]
  ret = HYPERVISOR_dom0_op(&xs->op);
  ^
cc1: some warnings being treated as errors
/local/davidvr/work/k.org/tip/scripts/Makefile.build:258: recipe for
target 'drivers/xen/xenfs/xensyms.o' failed
make[4]: *** [drivers/xen/xenfs/xensyms.o] Error 1
/local/davidvr/work/k.org/tip/scripts/Makefile.build:403: recipe for
target 'drivers/xen/xenfs' failed
make[3]: *** [drivers/xen/xenfs] Error 2
/local/davidvr/work/k.org/tip/scripts/Makefile.build:403: recipe for
target 'drivers/xen' failed
make[2]: *** [drivers/xen] Error 2
/local/davidvr/work/k.org/tip/Makefile:944: recipe for target 'drivers'
failed
make[1]: *** [drivers] Error 2
make[1]: Leaving directory '/local/davidvr/work/k.org/o-arm64'
Makefile:146: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2

David
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