[intel-tdx:kvm-upstream-workaround 327/442] include/linux/memfile_notifier.h:87:57: error: unknown type name 'flags'
From: kernel test robot
Date: Mon Jun 27 2022 - 17:10:01 EST
tree: https://github.com/intel/tdx.git kvm-upstream-workaround
head: 8af973ebaf30642129fc1ca63f155a469f9615ed
commit: 8cb35e95129306dc6d56e230b2f2fec40189a78c [327/442] mm/shmem: Support memfile_notifier
config: um-x86_64_defconfig (https://download.01.org/0day-ci/archive/20220628/202206280512.4xQqv7zC-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel/tdx/commit/8cb35e95129306dc6d56e230b2f2fec40189a78c
git remote add intel-tdx https://github.com/intel/tdx.git
git fetch --no-tags intel-tdx kvm-upstream-workaround
git checkout 8cb35e95129306dc6d56e230b2f2fec40189a78c
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=um SUBARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Note: the intel-tdx/kvm-upstream-workaround HEAD 8af973ebaf30642129fc1ca63f155a469f9615ed builds fine.
It only hurts bisectability.
All errors (new ones prefixed by >>):
In file included from include/linux/shmem_fs.h:12,
from init/main.c:80:
>> include/linux/memfile_notifier.h:87:57: error: unknown type name 'flags'
87 | static int memfile_register_notifier(struct file *file, flags,
| ^~~~~
init/main.c:769:20: warning: no previous prototype for 'arch_post_acpi_subsys_init' [-Wmissing-prototypes]
769 | void __init __weak arch_post_acpi_subsys_init(void) { }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
init/main.c:781:20: warning: no previous prototype for 'mem_encrypt_init' [-Wmissing-prototypes]
781 | void __init __weak mem_encrypt_init(void) { }
| ^~~~~~~~~~~~~~~~
init/main.c:783:20: warning: no previous prototype for 'poking_init' [-Wmissing-prototypes]
783 | void __init __weak poking_init(void) { }
| ^~~~~~~~~~~
In file included from include/linux/shmem_fs.h:12,
from init/main.c:80:
include/linux/memfile_notifier.h:93:13: warning: 'memfile_unregister_notifier' defined but not used [-Wunused-function]
93 | static void memfile_unregister_notifier(struct memfile_notifier *notifier)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/memfile_notifier.h:82:13: warning: 'memfile_notifier_invalidate' defined but not used [-Wunused-function]
82 | static void memfile_notifier_invalidate(struct memfile_node *node,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/memfile_notifier.h:77:13: warning: 'memfile_notifier_populate' defined but not used [-Wunused-function]
77 | static void memfile_notifier_populate(struct memfile_node *node,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/memfile_notifier.h:72:12: warning: 'memfile_node_set_flags' defined but not used [-Wunused-function]
72 | static int memfile_node_set_flags(struct file *file, unsigned long flags)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/memfile_notifier.h:68:13: warning: 'memfile_register_backing_store' defined but not used [-Wunused-function]
68 | static void memfile_register_backing_store(struct memfile_backing_store *bs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/shmem_fs.h:12,
from init/do_mounts.c:20:
>> include/linux/memfile_notifier.h:87:57: error: unknown type name 'flags'
87 | static int memfile_register_notifier(struct file *file, flags,
| ^~~~~
In file included from include/linux/shmem_fs.h:12,
from init/do_mounts.c:20:
include/linux/memfile_notifier.h:93:13: warning: 'memfile_unregister_notifier' defined but not used [-Wunused-function]
93 | static void memfile_unregister_notifier(struct memfile_notifier *notifier)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/memfile_notifier.h:82:13: warning: 'memfile_notifier_invalidate' defined but not used [-Wunused-function]
82 | static void memfile_notifier_invalidate(struct memfile_node *node,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/memfile_notifier.h:77:13: warning: 'memfile_notifier_populate' defined but not used [-Wunused-function]
77 | static void memfile_notifier_populate(struct memfile_node *node,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/memfile_notifier.h:72:12: warning: 'memfile_node_set_flags' defined but not used [-Wunused-function]
72 | static int memfile_node_set_flags(struct file *file, unsigned long flags)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/memfile_notifier.h:68:13: warning: 'memfile_register_backing_store' defined but not used [-Wunused-function]
68 | static void memfile_register_backing_store(struct memfile_backing_store *bs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/shmem_fs.h:12,
from mm/shmem.c:59:
>> include/linux/memfile_notifier.h:87:57: error: unknown type name 'flags'
87 | static int memfile_register_notifier(struct file *file, flags,
| ^~~~~
include/linux/memfile_notifier.h:93:13: warning: 'memfile_unregister_notifier' defined but not used [-Wunused-function]
93 | static void memfile_unregister_notifier(struct memfile_notifier *notifier)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/memfile_notifier.h:72:12: warning: 'memfile_node_set_flags' defined but not used [-Wunused-function]
72 | static int memfile_node_set_flags(struct file *file, unsigned long flags)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/memfile_notifier.h:68:13: warning: 'memfile_register_backing_store' defined but not used [-Wunused-function]
68 | static void memfile_register_backing_store(struct memfile_backing_store *bs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/flags +87 include/linux/memfile_notifier.h
0c030fb62c136d Chao Peng 2022-01-12 86
0c030fb62c136d Chao Peng 2022-01-12 @87 static int memfile_register_notifier(struct file *file, flags,
0c030fb62c136d Chao Peng 2022-01-12 88 struct memfile_notifier *notifier)
0c030fb62c136d Chao Peng 2022-01-12 89 {
0c030fb62c136d Chao Peng 2022-01-12 90 return -EOPNOTSUPP;
0c030fb62c136d Chao Peng 2022-01-12 91 }
0c030fb62c136d Chao Peng 2022-01-12 92
:::::: The code at line 87 was first introduced by commit
:::::: 0c030fb62c136d9d0ac4e83e0872134f2a9ea896 mm: Introduce memfile_notifier
:::::: TO: Chao Peng <chao.p.peng@xxxxxxxxxxxxxxx>
:::::: CC: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
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