Re: [PATCH net-next 5/5] mctp: Add SIOCMCTP{ALLOC,DROP}TAG ioctls for tag control
by kernel test robot
Hi Jeremy,
I love your patch! Perhaps something to improve:
[auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Jeremy-Kerr/MCTP-tag-control-int...
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git c3e676b98326a419f30dd5d956c68fc33323f4fd
config: nios2-randconfig-r021-20220208 (https://download.01.org/0day-ci/archive/20220209/202202090043.BhR7muS4-lk...)
compiler: nios2-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/a1d553f399d7457bd3e455cd3f5e10ddd...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Jeremy-Kerr/MCTP-tag-control-interface/20220208-195325
git checkout a1d553f399d7457bd3e455cd3f5e10dddb4bc2bf
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nios2 SHELL=/bin/bash kernel/ net/mctp/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
>> net/mctp/route.c:660:21: warning: no previous prototype for 'mctp_lookup_prealloc_tag' [-Wmissing-prototypes]
660 | struct mctp_sk_key *mctp_lookup_prealloc_tag(struct mctp_sock *msk,
| ^~~~~~~~~~~~~~~~~~~~~~~~
vim +/mctp_lookup_prealloc_tag +660 net/mctp/route.c
659
> 660 struct mctp_sk_key *mctp_lookup_prealloc_tag(struct mctp_sock *msk,
661 mctp_eid_t daddr, u8 req_tag,
662 u8 *tagp)
663 {
664 struct net *net = sock_net(&msk->sk);
665 struct netns_mctp *mns = &net->mctp;
666 struct mctp_sk_key *key, *tmp;
667 unsigned long flags;
668
669 req_tag &= ~(MCTP_TAG_PREALLOC | MCTP_TAG_OWNER);
670 key = NULL;
671
672 spin_lock_irqsave(&mns->keys_lock, flags);
673
674 hlist_for_each_entry(tmp, &mns->keys, hlist) {
675 if (tmp->tag != req_tag)
676 continue;
677
678 if (!(tmp->peer_addr == daddr || tmp->peer_addr == MCTP_ADDR_ANY))
679 continue;
680
681 if (!tmp->manual_alloc)
682 continue;
683
684 spin_lock(&tmp->lock);
685 if (tmp->valid) {
686 key = tmp;
687 refcount_inc(&key->refs);
688 spin_unlock(&tmp->lock);
689 break;
690 }
691 spin_unlock(&tmp->lock);
692 }
693 spin_unlock_irqrestore(&mns->keys_lock, flags);
694
695 if (!key)
696 return ERR_PTR(-ENOENT);
697
698 if (tagp)
699 *tagp = key->tag;
700
701 return key;
702 }
703
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
7 months, 2 weeks
[linux-next:master 4438/4439] include/linux/mmzone.h:1431:23: warning: array subscript 32 is outside array bounds of 'struct mem_section[32][1]'
by kernel test robot
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 554f92dbda161fa073844ae6c62db257b8860a0a
commit: c052f4a3cbf1f171a3ceedd76b70d6acf2718d34 [4438/4439] Merge branch 'akpm-current/current'
config: arm-randconfig-c002-20220208 (https://download.01.org/0day-ci/archive/20220209/202202090028.zSZDO5zf-lk...)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi...
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout c052f4a3cbf1f171a3ceedd76b70d6acf2718d34
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash fs/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/gfp.h:6,
from include/linux/umh.h:4,
from include/linux/kmod.h:9,
from include/linux/module.h:17,
from fs/direct-io.c:24:
fs/direct-io.c: In function 'dio_zero_block':
>> include/linux/mmzone.h:1431:23: warning: array subscript 32 is outside array bounds of 'struct mem_section[32][1]' [-Warray-bounds]
1431 | unsigned long map = section->section_mem_map;
| ^~~
include/linux/mmzone.h:1389:27: note: while referencing 'mem_section'
1389 | extern struct mem_section mem_section[NR_SECTION_ROOTS][SECTIONS_PER_ROOT];
| ^~~~~~~~~~~
fs/direct-io.c: In function 'do_direct_IO':
>> include/linux/mmzone.h:1431:23: warning: array subscript 32 is outside array bounds of 'struct mem_section[32][1]' [-Warray-bounds]
1431 | unsigned long map = section->section_mem_map;
| ^~~
include/linux/mmzone.h:1389:27: note: while referencing 'mem_section'
1389 | extern struct mem_section mem_section[NR_SECTION_ROOTS][SECTIONS_PER_ROOT];
| ^~~~~~~~~~~
--
In file included from include/linux/gfp.h:6,
from include/linux/umh.h:4,
from include/linux/kmod.h:9,
from include/linux/module.h:17,
from fs/iomap/direct-io.c:6:
fs/iomap/direct-io.c: In function 'iomap_dio_zero':
>> include/linux/mmzone.h:1431:23: warning: array subscript 32 is outside array bounds of 'struct mem_section[32][1]' [-Warray-bounds]
1431 | unsigned long map = section->section_mem_map;
| ^~~
include/linux/mmzone.h:1389:27: note: while referencing 'mem_section'
1389 | extern struct mem_section mem_section[NR_SECTION_ROOTS][SECTIONS_PER_ROOT];
| ^~~~~~~~~~~
vim +1431 include/linux/mmzone.h
29751f6991e845 Andy Whitcroft 2005-06-23 1428
29751f6991e845 Andy Whitcroft 2005-06-23 1429 static inline struct page *__section_mem_map_addr(struct mem_section *section)
29751f6991e845 Andy Whitcroft 2005-06-23 1430 {
29751f6991e845 Andy Whitcroft 2005-06-23 @1431 unsigned long map = section->section_mem_map;
29751f6991e845 Andy Whitcroft 2005-06-23 1432 map &= SECTION_MAP_MASK;
29751f6991e845 Andy Whitcroft 2005-06-23 1433 return (struct page *)map;
29751f6991e845 Andy Whitcroft 2005-06-23 1434 }
29751f6991e845 Andy Whitcroft 2005-06-23 1435
:::::: The code at line 1431 was first introduced by commit
:::::: 29751f6991e845f7d002a6ae520bf996b38c8dcd [PATCH] sparsemem hotplug base
:::::: TO: Andy Whitcroft <apw(a)shadowen.org>
:::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
7 months, 2 weeks
[intel-tdx:kvm-upstream-workaround 156/167] arch/x86/kvm/mmu/tdp_mmu.c:1205:17: sparse: sparse: incorrect type in argument 1 (different address spaces)
by kernel test robot
tree: https://github.com/intel/tdx.git kvm-upstream-workaround
head: ae19e4b18af5a4b4b7d7b3d9c86614006d0a0216
commit: 0e712f59902e53822c6d9fb3bf0903917ddd1594 [156/167] [REVERTME] KVM, x86/mmu: add WARN_ON for debug
config: x86_64-rhel-8.3-kselftests (https://download.01.org/0day-ci/archive/20220208/202202082316.QwYYWFFT-lk...)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://github.com/intel/tdx/commit/0e712f59902e53822c6d9fb3bf0903917ddd1594
git remote add intel-tdx https://github.com/intel/tdx.git
git fetch --no-tags intel-tdx kvm-upstream-workaround
git checkout 0e712f59902e53822c6d9fb3bf0903917ddd1594
# save the config file to linux build tree
mkdir build_dir
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
arch/x86/kvm/mmu/tdp_mmu.c:561:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu * @@
arch/x86/kvm/mmu/tdp_mmu.c:561:17: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:561:17: sparse: got unsigned long long [noderef] [usertype] __rcu *
arch/x86/kvm/mmu/tdp_mmu.c:1051:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:1051:41: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:1051:41: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
>> arch/x86/kvm/mmu/tdp_mmu.c:1205:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:1205:17: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:1205:17: sparse: got unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:1344:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:1344:33: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:1344:33: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:1395:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:1395:13: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:1395:13: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:332:9: sparse: sparse: context imbalance in 'tdp_mmu_unlink_page' - different lock contexts for basic block
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:701:80: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:708:67: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:594:48: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:599:9: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: expected unsigned long long [usertype] *sptep
arch/x86/kvm/mmu/tdp_mmu.c:618:80: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
arch/x86/kvm/mmu/tdp_mmu.c:686:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep @@
vim +1205 arch/x86/kvm/mmu/tdp_mmu.c
1165
1166 /*
1167 * Handle a TDP page fault (NPT/EPT violation/misconfiguration) by installing
1168 * page tables and SPTEs to translate the faulting guest physical address.
1169 */
1170 int kvm_tdp_mmu_map(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault)
1171 {
1172 struct kvm_mmu *mmu = vcpu->arch.mmu;
1173 struct tdp_iter iter;
1174 gfn_t raw_gfn;
1175 bool is_private;
1176 int ret;
1177
1178 kvm_mmu_hugepage_adjust(vcpu, fault);
1179
1180 trace_kvm_mmu_spte_requested(fault);
1181
1182 rcu_read_lock();
1183
1184 raw_gfn = fault->addr >> PAGE_SHIFT;
1185 is_private = kvm_is_private_gfn(vcpu->kvm, raw_gfn);
1186
1187 if (is_error_noslot_pfn(fault->pfn) || kvm_is_reserved_pfn(fault->pfn)) {
1188 if (is_private) {
1189 rcu_read_unlock();
1190 return -EFAULT;
1191 }
1192 } else if (kvm_gfn_stolen_mask(vcpu->kvm)) {
1193 if (!is_private) {
1194 /*
1195 * If raw_gfn is shared gfn, check if shared mapping
1196 * is allowed. Private mapping case is checked by
1197 * tdp_mmu_map_handle_target_level().
1198 */
1199 if (!tdp_mmu_private_prohibit(vcpu, raw_gfn))
1200 return RET_PF_RETRY;
1201 }
1202 }
1203
1204 tdp_mmu_for_each_pte(iter, mmu, is_private, raw_gfn, raw_gfn + 1) {
> 1205 WARN_ON(is_private_spte(iter.sptep) != is_private);
1206
1207 if (fault->nx_huge_page_workaround_enabled)
1208 disallowed_hugepage_adjust(fault, iter.old_spte, iter.level);
1209
1210 if (iter.level == fault->goal_level)
1211 break;
1212
1213 /*
1214 * If there is an SPTE mapping a large page at a higher level
1215 * than the target, that SPTE must be cleared and replaced
1216 * with a non-leaf SPTE.
1217 */
1218 if (is_shadow_present_pte(iter.old_spte) &&
1219 is_large_pte(iter.old_spte)) {
1220 if (!tdp_mmu_zap_spte_atomic(vcpu->kvm, &iter))
1221 break;
1222 /*
1223 * TODO: large page support.
1224 * Doesn't support large page for TDX now
1225 */
1226 WARN_ON(is_private_spte(&iter.old_spte));
1227
1228
1229 /*
1230 * The iter must explicitly re-read the spte here
1231 * because the new value informs the !present
1232 * path below.
1233 */
1234 iter.old_spte = READ_ONCE(*rcu_dereference(iter.sptep));
1235 }
1236
1237 if (!is_shadow_present_pte(iter.old_spte)) {
1238 bool account_nx;
1239
1240 /*
1241 * If SPTE has been frozen by another thread, just
1242 * give up and retry, avoiding unnecessary page table
1243 * allocation and free.
1244 */
1245 if (is_removed_spte(iter.old_spte))
1246 break;
1247
1248 account_nx = fault->huge_page_disallowed &&
1249 fault->req_level >= iter.level;
1250 if (!tdp_mmu_populate_nonleaf(
1251 vcpu, &iter, is_private, account_nx))
1252 break;
1253 }
1254 }
1255
1256 if (iter.level != fault->goal_level) {
1257 rcu_read_unlock();
1258 return RET_PF_RETRY;
1259 }
1260
1261 ret = tdp_mmu_map_handle_target_level(vcpu, fault, &iter);
1262 rcu_read_unlock();
1263
1264 return ret;
1265 }
1266
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
7 months, 2 weeks
[peterz-queue:sched/core 32/32] arch/arm64/include/asm/preempt.h:85:25: error: a parameter list without types is only allowed in a function definition
by kernel test robot
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core
head: ac7695a93a578befdcf4900a90860bf19e057e1b
commit: ac7695a93a578befdcf4900a90860bf19e057e1b [32/32] arm64: support PREEMPT_DYNAMIC
config: arm64-randconfig-r025-20220208 (https://download.01.org/0day-ci/archive/20220208/202202082223.QmYxE9Ko-lk...)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project e8bff9ae54a55b4dbfeb6ba55f723abbd81bf494)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?...
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue sched/core
git checkout ac7695a93a578befdcf4900a90860bf19e057e1b
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All error/warnings (new ones prefixed by >>):
In file included from arch/arm64/kernel/asm-offsets.c:10:
In file included from include/linux/arm_sdei.h:8:
In file included from include/acpi/ghes.h:5:
In file included from include/acpi/apei.h:9:
In file included from include/linux/acpi.h:13:
In file included from include/linux/irqdomain.h:35:
In file included from include/linux/of.h:17:
In file included from include/linux/kobject.h:20:
In file included from include/linux/sysfs.h:16:
In file included from include/linux/kernfs.h:11:
In file included from include/linux/mutex.h:17:
In file included from include/linux/lockdep.h:14:
In file included from include/linux/smp.h:110:
In file included from include/linux/preempt.h:78:
>> arch/arm64/include/asm/preempt.h:85:1: warning: declaration specifier missing, defaulting to 'int'
DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched);
^
int
>> arch/arm64/include/asm/preempt.h:85:25: error: a parameter list without types is only allowed in a function definition
DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched);
^
1 warning and 1 error generated.
make[2]: *** [scripts/Makefile.build:121: arch/arm64/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1191: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:219: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +85 arch/arm64/include/asm/preempt.h
84
> 85 DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched);
86 void dynamic_preempt_schedule(void);
87 #define __preempt_schedule() dynamic_preempt_schedule()
88 void dynamic_preempt_schedule_notrace(void);
89 #define __preempt_schedule_notrace() dynamic_preempt_schedule_notrace()
90
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
7 months, 2 weeks
