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Message-ID: <202007280145.X4mWvv2r%lkp@intel.com>
Date: Tue, 28 Jul 2020 02:04:57 +0800
From: kernel test robot <lkp@...el.com>
To: Roger Pau Monne <roger.pau@...rix.com>,
linux-kernel@...r.kernel.org
Cc: kbuild-all@...ts.01.org, Roger Pau Monne <roger.pau@...rix.com>,
Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Boris Ostrovsky <boris.ostrovsky@...cle.com>,
Juergen Gross <jgross@...e.com>,
Stefano Stabellini <sstabellini@...nel.org>,
Dan Carpenter <error27@...il.com>, Wei Liu <wl@....org>
Subject: Re: [PATCH v3 4/4] xen: add helpers to allocate unpopulated memory
Hi Roger,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on xen-tip/linux-next]
[also build test ERROR on linus/master v5.8-rc7 next-20200727]
[cannot apply to linux/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Roger-Pau-Monne/xen-balloon-fixes-for-memory-hotplug/20200727-171643
base: https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git linux-next
config: i386-randconfig-a001-20200727 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce (this is a W=1 build):
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from include/xen/xen.h:61,
from drivers/xen/xen-front-pgdir-shbuf.c:18:
include/xen/balloon.h:8:8: error: redefinition of 'struct balloon_stats'
8 | struct balloon_stats {
| ^~~~~~~~~~~~~
In file included from drivers/xen/xen-front-pgdir-shbuf.c:17:
include/xen/balloon.h:8:8: note: originally defined here
8 | struct balloon_stats {
| ^~~~~~~~~~~~~
In file included from include/xen/xen.h:61,
from drivers/xen/xen-front-pgdir-shbuf.c:18:
include/xen/balloon.h:23:29: error: conflicting types for 'balloon_stats'
23 | extern struct balloon_stats balloon_stats;
| ^~~~~~~~~~~~~
In file included from drivers/xen/xen-front-pgdir-shbuf.c:17:
include/xen/balloon.h:23:29: note: previous declaration of 'balloon_stats' was here
23 | extern struct balloon_stats balloon_stats;
| ^~~~~~~~~~~~~
In file included from include/xen/xen.h:61,
from drivers/xen/xen-front-pgdir-shbuf.c:18:
>> include/xen/balloon.h:33:20: error: redefinition of 'xen_balloon_init'
33 | static inline void xen_balloon_init(void)
| ^~~~~~~~~~~~~~~~
In file included from drivers/xen/xen-front-pgdir-shbuf.c:17:
include/xen/balloon.h:33:20: note: previous definition of 'xen_balloon_init' was here
33 | static inline void xen_balloon_init(void)
| ^~~~~~~~~~~~~~~~
--
In file included from drivers/xen/balloon.c:71:
include/xen/balloon.h:8:8: error: redefinition of 'struct balloon_stats'
8 | struct balloon_stats {
| ^~~~~~~~~~~~~
In file included from include/xen/xen.h:61,
from drivers/xen/balloon.c:68:
include/xen/balloon.h:8:8: note: originally defined here
8 | struct balloon_stats {
| ^~~~~~~~~~~~~
In file included from drivers/xen/balloon.c:71:
include/xen/balloon.h:23:29: error: conflicting types for 'balloon_stats'
23 | extern struct balloon_stats balloon_stats;
| ^~~~~~~~~~~~~
In file included from include/xen/xen.h:61,
from drivers/xen/balloon.c:68:
include/xen/balloon.h:23:29: note: previous declaration of 'balloon_stats' was here
23 | extern struct balloon_stats balloon_stats;
| ^~~~~~~~~~~~~
In file included from drivers/xen/balloon.c:71:
>> include/xen/balloon.h:33:20: error: redefinition of 'xen_balloon_init'
33 | static inline void xen_balloon_init(void)
| ^~~~~~~~~~~~~~~~
In file included from include/xen/xen.h:61,
from drivers/xen/balloon.c:68:
include/xen/balloon.h:33:20: note: previous definition of 'xen_balloon_init' was here
33 | static inline void xen_balloon_init(void)
| ^~~~~~~~~~~~~~~~
drivers/xen/balloon.c:138:22: error: conflicting types for 'balloon_stats'
138 | struct balloon_stats balloon_stats;
| ^~~~~~~~~~~~~
In file included from include/xen/xen.h:61,
from drivers/xen/balloon.c:68:
include/xen/balloon.h:23:29: note: previous declaration of 'balloon_stats' was here
23 | extern struct balloon_stats balloon_stats;
| ^~~~~~~~~~~~~
In file included from include/linux/linkage.h:7,
from include/linux/kernel.h:8,
from arch/x86/include/asm/percpu.h:45,
from arch/x86/include/asm/current.h:6,
from include/linux/sched.h:12,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from drivers/xen/balloon.c:41:
drivers/xen/balloon.c:139:19: error: conflicting types for 'balloon_stats'
139 | EXPORT_SYMBOL_GPL(balloon_stats);
| ^~~~~~~~~~~~~
include/linux/export.h:98:21: note: in definition of macro '___EXPORT_SYMBOL'
98 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL'
155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
| ^~~~~~~~~~~~~~~
include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL'
159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl")
| ^~~~~~~~~~~~~~
drivers/xen/balloon.c:139:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
139 | EXPORT_SYMBOL_GPL(balloon_stats);
| ^~~~~~~~~~~~~~~~~
In file included from include/xen/xen.h:61,
from drivers/xen/balloon.c:68:
include/xen/balloon.h:23:29: note: previous declaration of 'balloon_stats' was here
23 | extern struct balloon_stats balloon_stats;
| ^~~~~~~~~~~~~
--
In file included from include/xen/xen.h:61,
from arch/x86/include/asm/xen/events.h:5,
from include/xen/events.h:13,
from drivers/xen/xenbus/xenbus_client.c:44:
include/xen/balloon.h:8:8: error: redefinition of 'struct balloon_stats'
8 | struct balloon_stats {
| ^~~~~~~~~~~~~
In file included from drivers/xen/xenbus/xenbus_client.c:43:
include/xen/balloon.h:8:8: note: originally defined here
8 | struct balloon_stats {
| ^~~~~~~~~~~~~
In file included from include/xen/xen.h:61,
from arch/x86/include/asm/xen/events.h:5,
from include/xen/events.h:13,
from drivers/xen/xenbus/xenbus_client.c:44:
include/xen/balloon.h:23:29: error: conflicting types for 'balloon_stats'
23 | extern struct balloon_stats balloon_stats;
| ^~~~~~~~~~~~~
In file included from drivers/xen/xenbus/xenbus_client.c:43:
include/xen/balloon.h:23:29: note: previous declaration of 'balloon_stats' was here
23 | extern struct balloon_stats balloon_stats;
| ^~~~~~~~~~~~~
In file included from include/xen/xen.h:61,
from arch/x86/include/asm/xen/events.h:5,
from include/xen/events.h:13,
from drivers/xen/xenbus/xenbus_client.c:44:
>> include/xen/balloon.h:33:20: error: redefinition of 'xen_balloon_init'
33 | static inline void xen_balloon_init(void)
| ^~~~~~~~~~~~~~~~
In file included from drivers/xen/xenbus/xenbus_client.c:43:
include/xen/balloon.h:33:20: note: previous definition of 'xen_balloon_init' was here
33 | static inline void xen_balloon_init(void)
| ^~~~~~~~~~~~~~~~
drivers/xen/xenbus/xenbus_client.c: In function 'xenbus_va_dev_error':
drivers/xen/xenbus/xenbus_client.c:292:2: warning: function 'xenbus_va_dev_error' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
292 | vsnprintf(printf_buffer + len, PRINTF_BUFFER_SIZE - len, fmt, ap);
| ^~~~~~~~~
vim +/xen_balloon_init +33 include/xen/balloon.h
803eb047a28d23 Daniel De Graaf 2011-03-14 22
803eb047a28d23 Daniel De Graaf 2011-03-14 @23 extern struct balloon_stats balloon_stats;
803eb047a28d23 Daniel De Graaf 2011-03-14 24
803eb047a28d23 Daniel De Graaf 2011-03-14 25 void balloon_set_new_target(unsigned long target);
b6f3067985f12d Konrad Rzeszutek Wilk 2011-03-15 26
81b286e0f1fe52 David Vrabel 2015-06-25 27 int alloc_xenballooned_pages(int nr_pages, struct page **pages);
b6f3067985f12d Konrad Rzeszutek Wilk 2011-03-15 28 void free_xenballooned_pages(int nr_pages, struct page **pages);
a50777c791031d Dan Magenheimer 2011-07-08 29
96edd61dcf4436 Juergen Gross 2017-07-10 30 #ifdef CONFIG_XEN_BALLOON
96edd61dcf4436 Juergen Gross 2017-07-10 31 void xen_balloon_init(void);
96edd61dcf4436 Juergen Gross 2017-07-10 32 #else
96edd61dcf4436 Juergen Gross 2017-07-10 @33 static inline void xen_balloon_init(void)
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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