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Date: Sat, 9 Oct 2021 22:20:57 +0800
From: kernel test robot <lkp@...el.com>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: [rt-devel:linux-5.15.y-rt-rebase 85/155] drivers/md/raid5.c:2222:20:
sparse: sparse: incorrect type in argument 1 (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.15.y-rt-rebase
head: d2f311fe375d0cf3b1f03bae1251036c93741332
commit: d227bdbf286b7591de778ab979d1e2343f41135b [85/155] md: raid5: Make raid5_percpu handling RT aware
config: alpha-randconfig-s032-20211009 (attached as .config)
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/commit/?id=d227bdbf286b7591de778ab979d1e2343f41135b
git remote add rt-devel https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
git fetch --no-tags rt-devel linux-5.15.y-rt-rebase
git checkout d227bdbf286b7591de778ab979d1e2343f41135b
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=alpha
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
drivers/md/raid5.c: note: in included file:
drivers/md/raid5.h:270:14: sparse: sparse: array of flexible structures
drivers/md/raid5.c:641:40: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:641:40: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:641:40: sparse: struct md_rdev *
drivers/md/raid5.c:643:32: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:643:32: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:643:32: sparse: struct md_rdev *
drivers/md/raid5.c:667:40: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:667:40: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:667:40: sparse: struct md_rdev *
drivers/md/raid5.c:669:32: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:669:32: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:669:32: sparse: struct md_rdev *
drivers/md/raid5.c:1101:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:1101:25: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:1101:25: sparse: struct md_rdev *
drivers/md/raid5.c:1103:24: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:1103:24: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:1103:24: sparse: struct md_rdev *
>> drivers/md/raid5.c:2222:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __percpu * @@
drivers/md/raid5.c:2222:20: sparse: expected struct spinlock [usertype] *lock
drivers/md/raid5.c:2222:20: sparse: got struct spinlock [noderef] __percpu *
drivers/md/raid5.c:2281:22: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __percpu * @@
drivers/md/raid5.c:2281:22: sparse: expected struct spinlock [usertype] *lock
drivers/md/raid5.c:2281:22: sparse: got struct spinlock [noderef] __percpu *
drivers/md/raid5.c:3565:32: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:3565:32: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:3565:32: sparse: struct md_rdev *
drivers/md/raid5.c:3691:48: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:3691:48: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:3691:48: sparse: struct md_rdev *
drivers/md/raid5.c:3698:32: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:3698:32: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:3698:32: sparse: struct md_rdev *
drivers/md/raid5.c:3720:16: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:3720:16: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:3720:16: sparse: struct md_rdev *
drivers/md/raid5.c:4648:24: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:4648:24: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:4648:24: sparse: struct md_rdev *
drivers/md/raid5.c:4659:32: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:4659:32: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:4659:32: sparse: struct md_rdev *
drivers/md/raid5.c:4706:49: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:4706:49: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:4706:49: sparse: struct md_rdev *
drivers/md/raid5.c:4719:49: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:4719:49: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:4719:49: sparse: struct md_rdev *
drivers/md/raid5.c:4728:49: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:4728:49: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:4728:49: sparse: struct md_rdev *
drivers/md/raid5.c:4750:40: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:4750:40: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:4750:40: sparse: struct md_rdev *
drivers/md/raid5.c:5421:16: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:5421:16: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:5421:16: sparse: struct md_rdev *
drivers/md/raid5.c:5424:24: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:5424:24: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:5424:24: sparse: struct md_rdev *
drivers/md/raid5.c:7107:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __percpu * @@
drivers/md/raid5.c:7107:9: sparse: expected struct spinlock [usertype] *lock
drivers/md/raid5.c:7107:9: sparse: got struct spinlock [noderef] __percpu *
drivers/md/raid5.c:7813:40: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:7813:40: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:7813:40: sparse: struct md_rdev *
drivers/md/raid5.c:8026:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:8026:25: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:8026:25: sparse: struct md_rdev *
drivers/md/raid5.c:8042:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
drivers/md/raid5.c:8042:25: sparse: struct md_rdev [noderef] __rcu *
drivers/md/raid5.c:8042:25: sparse: struct md_rdev *
drivers/md/raid5.c:1476:16: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:1476:39: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:2208:54: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:2421:16: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:2423:9: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:2424:9: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:7033:23: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:7033:23: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:7034:9: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:7035:16: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:7036:9: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:7041:34: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:7042:17: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:7043:22: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:7107:9: sparse: sparse: dereference of noderef expression
drivers/md/raid5.c:97:9: sparse: sparse: context imbalance in 'raid5_quiesce' - different lock contexts for basic block
vim +2222 drivers/md/raid5.c
2210
2211 static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request)
2212 {
2213 int overlap_clear = 0, i, disks = sh->disks;
2214 struct dma_async_tx_descriptor *tx = NULL;
2215 struct r5conf *conf = sh->raid_conf;
2216 int level = conf->level;
2217 struct raid5_percpu *percpu;
2218 unsigned long cpu;
2219
2220 cpu = get_cpu_light();
2221 percpu = per_cpu_ptr(conf->percpu, cpu);
> 2222 spin_lock(&percpu->lock);
2223 if (test_bit(STRIPE_OP_BIOFILL, &ops_request)) {
2224 ops_run_biofill(sh);
2225 overlap_clear++;
2226 }
2227
2228 if (test_bit(STRIPE_OP_COMPUTE_BLK, &ops_request)) {
2229 if (level < 6)
2230 tx = ops_run_compute5(sh, percpu);
2231 else {
2232 if (sh->ops.target2 < 0 || sh->ops.target < 0)
2233 tx = ops_run_compute6_1(sh, percpu);
2234 else
2235 tx = ops_run_compute6_2(sh, percpu);
2236 }
2237 /* terminate the chain if reconstruct is not set to be run */
2238 if (tx && !test_bit(STRIPE_OP_RECONSTRUCT, &ops_request))
2239 async_tx_ack(tx);
2240 }
2241
2242 if (test_bit(STRIPE_OP_PREXOR, &ops_request)) {
2243 if (level < 6)
2244 tx = ops_run_prexor5(sh, percpu, tx);
2245 else
2246 tx = ops_run_prexor6(sh, percpu, tx);
2247 }
2248
2249 if (test_bit(STRIPE_OP_PARTIAL_PARITY, &ops_request))
2250 tx = ops_run_partial_parity(sh, percpu, tx);
2251
2252 if (test_bit(STRIPE_OP_BIODRAIN, &ops_request)) {
2253 tx = ops_run_biodrain(sh, tx);
2254 overlap_clear++;
2255 }
2256
2257 if (test_bit(STRIPE_OP_RECONSTRUCT, &ops_request)) {
2258 if (level < 6)
2259 ops_run_reconstruct5(sh, percpu, tx);
2260 else
2261 ops_run_reconstruct6(sh, percpu, tx);
2262 }
2263
2264 if (test_bit(STRIPE_OP_CHECK, &ops_request)) {
2265 if (sh->check_state == check_state_run)
2266 ops_run_check_p(sh, percpu);
2267 else if (sh->check_state == check_state_run_q)
2268 ops_run_check_pq(sh, percpu, 0);
2269 else if (sh->check_state == check_state_run_pq)
2270 ops_run_check_pq(sh, percpu, 1);
2271 else
2272 BUG();
2273 }
2274
2275 if (overlap_clear && !sh->batch_head)
2276 for (i = disks; i--; ) {
2277 struct r5dev *dev = &sh->dev[i];
2278 if (test_and_clear_bit(R5_Overlap, &dev->flags))
2279 wake_up(&sh->raid_conf->wait_for_overlap);
2280 }
2281 spin_unlock(&percpu->lock);
2282 put_cpu_light();
2283 }
2284
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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