November 2024 - Kernel - mailweb.openeuler.org

[PATCH openEuler-22.03-LTS-SP1 0/2] openEuler-22.03-LTS-SP1
by Luo Gengkun 20 Nov '24

20 Nov '24

*** BLURB HERE *** Luo Gengkun (1): perf: Fix kabi problem by put mutex in front of perf_buffer Peter Zijlstra (1): perf/aux: Fix AUX buffer serialization kernel/events/core.c | 21 +++++++++++++++------ kernel/events/internal.h | 5 +++++ kernel/events/ring_buffer.c | 30 ++++++++++++++++++++---------- 3 files changed, 40 insertions(+), 16 deletions(-) -- 2.34.1

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[PATCH OLK-6.6 0/2] OLK-6.6
by Luo Gengkun 20 Nov '24

20 Nov '24

*** BLURB HERE *** Luo Gengkun (1): perf: Fix kabi problem by put mutex in front of perf_buffer Peter Zijlstra (1): perf/aux: Fix AUX buffer serialization kernel/events/core.c | 21 +++++++++++++++------ kernel/events/internal.h | 5 +++++ kernel/events/ring_buffer.c | 30 ++++++++++++++++++++---------- 3 files changed, 40 insertions(+), 16 deletions(-) -- 2.34.1

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[PATCH OLK-5.10 0/2] CVE-2024-46713
by Luo Gengkun 20 Nov '24

20 Nov '24

*** BLURB HERE *** Luo Gengkun (1): perf: Fix kabi problem by put mutex in front of perf_buffer Peter Zijlstra (1): perf/aux: Fix AUX buffer serialization kernel/events/core.c | 21 +++++++++++++++------ kernel/events/internal.h | 5 +++++ kernel/events/ring_buffer.c | 30 ++++++++++++++++++++---------- 3 files changed, 40 insertions(+), 16 deletions(-) -- 2.34.1

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openEuler Kernel SIG双周例会
by openEuler conference 20 Nov '24

20 Nov '24

您好！ Kernel 邀请您参加 2024-11-22 14:00 召开的WeLink会议(自动录制) 会议主题：openEuler Kernel SIG双周例会会议内容： 1. 进展update 2. 内容征集中（可回复本邮件申请，也可直接填写至会议纪要看板）会议链接：https://meeting.huaweicloud.com:36443/#/j/961483852 会议纪要：https://etherpad.openeuler.org/p/Kernel-meetings 更多资讯尽在：https://www.openeuler.org/zh/ Hello! Kernel invites you to attend the WeLink conference(auto recording) will be held at 2024-11-22 14:00, The subject of the conference is openEuler Kernel SIG双周例会, Summary: 1. 进展update 2. 内容征集中（可回复本邮件申请，也可直接填写至会议纪要看板） You can join the meeting at https://meeting.huaweicloud.com:36443/#/j/961483852. Add topics at https://etherpad.openeuler.org/p/Kernel-meetings. More information: https://www.openeuler.org/en/

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[openeuler:OLK-5.10 2430/2430] kernel/sched/topology.c:2385:39: sparse: sparse: incorrect type in assignment (different address spaces)
by kernel test robot 20 Nov '24

20 Nov '24

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 88a9bf0245509a724bfce4cef1d4dc86f0a117a0 commit: edd5e1effd36972e2b1910661daef5e4249fc3fd [2430/2430] sched/fair: Adjust the allowed NUMA imbalance when SD_NUMA spans multiple LLCs config: x86_64-randconfig-121-20241114 (https://download.01.org/0day-ci/archive/20241120/202411201411.gmJgGdOo-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241120/202411201411.gmJgGdOo-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202411201411.gmJgGdOo-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/topology.c:2086:32: sparse: sparse: incorrect type in initializer (different base types) @@ expected int flags @@ got restricted gfp_t @@ kernel/sched/topology.c:2086:32: sparse: expected int flags kernel/sched/topology.c:2086:32: sparse: got restricted gfp_t kernel/sched/topology.c:2094:61: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected restricted gfp_t [usertype] flags @@ got int flags @@ kernel/sched/topology.c:2094:61: sparse: expected restricted gfp_t [usertype] flags kernel/sched/topology.c:2094:61: sparse: got int flags kernel/sched/topology.c:2122:58: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2122:58: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2122:58: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:121:56: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:121:56: sparse: expected struct sched_domain *sd kernel/sched/topology.c:121:56: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:140:60: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:140:60: sparse: expected struct sched_domain *sd kernel/sched/topology.c:140:60: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:163:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:163:20: sparse: expected struct sched_domain *sd kernel/sched/topology.c:163:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:463:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct perf_domain *pd @@ got struct perf_domain [noderef] __rcu *pd @@ kernel/sched/topology.c:463:19: sparse: expected struct perf_domain *pd kernel/sched/topology.c:463:19: sparse: got struct perf_domain [noderef] __rcu *pd kernel/sched/topology.c:626:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:626:49: sparse: expected struct sched_domain *parent kernel/sched/topology.c:626:49: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:682:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:682:9: sparse: struct sparsemask [noderef] __rcu * kernel/sched/topology.c:682:9: sparse: struct sparsemask * kernel/sched/topology.c:724:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:731:55: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *[noderef] __rcu child @@ got struct sched_domain *[assigned] tmp @@ kernel/sched/topology.c:741:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:746:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:752:33: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:758:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *sd @@ kernel/sched/topology.c:920:70: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:949:59: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:993:57: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:995:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1003:55: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1005:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1075:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1179:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1482:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain [noderef] __rcu *child @@ got struct sched_domain *child @@ kernel/sched/topology.c:2163:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *parent @@ got struct sched_domain *sd @@ kernel/sched/topology.c:2334:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2355:56: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@ >> kernel/sched/topology.c:2385:39: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *top_p @@ got struct sched_domain [noderef] __rcu *parent @@ >> kernel/sched/topology.c:2387:45: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] top @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2388:47: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *top_p @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2354:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2404:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:74:25: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:79:25: sparse: sparse: dereference of noderef expression kernel/sched/topology.c: note: in included file: kernel/sched/sched.h:1792:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/sched.h:1805:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/sched.h:1805:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/sched.h:1792:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/sched.h:1805:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:1497:19: sparse: sparse: dereference of noderef expression vim +2385 kernel/sched/topology.c 2277 2278 2279 /* 2280 * Build sched domains for a given set of CPUs and attach the sched domains 2281 * to the individual CPUs 2282 */ 2283 static int 2284 build_sched_domains(const struct cpumask *cpu_map, struct sched_domain_attr *attr) 2285 { 2286 enum s_alloc alloc_state = sa_none; 2287 struct sched_domain *sd; 2288 struct s_data d; 2289 struct rq *rq = NULL; 2290 int i, ret = -ENOMEM; 2291 struct sched_domain_topology_level *tl_asym; 2292 bool has_asym = false; 2293 bool has_cluster = false; 2294 2295 if (WARN_ON(cpumask_empty(cpu_map))) 2296 goto error; 2297 2298 alloc_state = __visit_domain_allocation_hell(&d, cpu_map); 2299 if (alloc_state != sa_rootdomain) 2300 goto error; 2301 2302 tl_asym = asym_cpu_capacity_level(cpu_map); 2303 2304 /* Set up domains for CPUs specified by the cpu_map: */ 2305 for_each_cpu(i, cpu_map) { 2306 struct sched_domain_topology_level *tl; 2307 int dflags = 0; 2308 2309 sd = NULL; 2310 for_each_sd_topology(tl) { 2311 if (tl == tl_asym) { 2312 dflags |= SD_ASYM_CPUCAPACITY; 2313 has_asym = true; 2314 } 2315 2316 if (WARN_ON(!topology_span_sane(tl, cpu_map, i))) 2317 goto error; 2318 2319 sd = build_sched_domain(tl, cpu_map, attr, sd, dflags, i); 2320 2321 has_cluster |= sd->flags & SD_CLUSTER; 2322 2323 if (tl == sched_domain_topology) 2324 *per_cpu_ptr(d.sd, i) = sd; 2325 if (tl->flags & SDTL_OVERLAP) 2326 sd->flags |= SD_OVERLAP; 2327 if (cpumask_equal(cpu_map, sched_domain_span(sd))) 2328 break; 2329 } 2330 } 2331 2332 /* Build the groups for the domains */ 2333 for_each_cpu(i, cpu_map) { 2334 for (sd = *per_cpu_ptr(d.sd, i); sd; sd = sd->parent) { 2335 sd->span_weight = cpumask_weight(sched_domain_span(sd)); 2336 if (sd->flags & SD_OVERLAP) { 2337 if (build_overlap_sched_groups(sd, i)) 2338 goto error; 2339 } else { 2340 if (build_sched_groups(sd, i)) 2341 goto error; 2342 } 2343 } 2344 } 2345 2346 /* 2347 * Calculate an allowed NUMA imbalance such that LLCs do not get 2348 * imbalanced. 2349 */ 2350 for_each_cpu(i, cpu_map) { 2351 unsigned int imb = 0; 2352 unsigned int imb_span = 1; 2353 2354 for (sd = *per_cpu_ptr(d.sd, i); sd; sd = sd->parent) { 2355 struct sched_domain *child = sd->child; 2356 2357 if (!(sd->flags & SD_SHARE_PKG_RESOURCES) && child && 2358 (child->flags & SD_SHARE_PKG_RESOURCES)) { 2359 struct sched_domain *top, *top_p; 2360 unsigned int nr_llcs; 2361 2362 /* 2363 * For a single LLC per node, allow an 2364 * imbalance up to 25% of the node. This is an 2365 * arbitrary cutoff based on SMT-2 to balance 2366 * between memory bandwidth and avoiding 2367 * premature sharing of HT resources and SMT-4 2368 * or SMT-8 *may* benefit from a different 2369 * cutoff. 2370 * 2371 * For multiple LLCs, allow an imbalance 2372 * until multiple tasks would share an LLC 2373 * on one node while LLCs on another node 2374 * remain idle. 2375 */ 2376 nr_llcs = sd->span_weight / child->span_weight; 2377 if (nr_llcs == 1) 2378 imb = sd->span_weight >> 2; 2379 else 2380 imb = nr_llcs; 2381 sd->imb_numa_nr = imb; 2382 2383 /* Set span based on the first NUMA domain. */ 2384 top = sd; > 2385 top_p = top->parent; 2386 while (top_p && !(top_p->flags & SD_NUMA)) { > 2387 top = top->parent; 2388 top_p = top->parent; 2389 } 2390 imb_span = top_p ? top_p->span_weight : sd->span_weight; 2391 } else { 2392 int factor = max(1U, (sd->span_weight / imb_span)); 2393 2394 sd->imb_numa_nr = imb * factor; 2395 } 2396 } 2397 } 2398 2399 /* Calculate CPU capacity for physical packages and nodes */ 2400 for (i = nr_cpumask_bits-1; i >= 0; i--) { 2401 if (!cpumask_test_cpu(i, cpu_map)) 2402 continue; 2403 2404 for (sd = *per_cpu_ptr(d.sd, i); sd; sd = sd->parent) { 2405 claim_allocations(i, sd); 2406 init_sched_groups_capacity(i, sd); 2407 } 2408 } 2409 2410 /* 2411 * Allocate shared sd data at last level cache. Must be done after 2412 * domains are built above, but before the data is used in 2413 * cpu_attach_domain and descendants below. 2414 */ 2415 if (sd_llc_alloc_all(cpu_map, &d)) 2416 goto error; 2417 2418 /* Attach the domains */ 2419 rcu_read_lock(); 2420 for_each_cpu(i, cpu_map) { 2421 rq = cpu_rq(i); 2422 sd = *per_cpu_ptr(d.sd, i); 2423 2424 /* Use READ_ONCE()/WRITE_ONCE() to avoid load/store tearing: */ 2425 if (rq->cpu_capacity_orig > READ_ONCE(d.rd->max_cpu_capacity)) 2426 WRITE_ONCE(d.rd->max_cpu_capacity, rq->cpu_capacity_orig); 2427 2428 cpu_attach_domain(sd, d.rd, i); 2429 } 2430 rcu_read_unlock(); 2431 2432 if (has_asym) 2433 static_branch_inc_cpuslocked(&sched_asym_cpucapacity); 2434 2435 if (has_cluster) 2436 static_branch_inc_cpuslocked(&sched_cluster_active); 2437 2438 if (rq && sched_debug_enabled) { 2439 pr_info("root domain span: %*pbl (max cpu_capacity = %lu)\n", 2440 cpumask_pr_args(cpu_map), rq->rd->max_cpu_capacity); 2441 } 2442 2443 ret = 0; 2444 error: 2445 __free_domain_allocs(&d, alloc_state, cpu_map); 2446 2447 return ret; 2448 } 2449 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 1474/1474] fs/ext4/inode.c:3585:24: sparse: sparse: symbol 'ext4_iomap_buffered_read_ops' was not declared. Should it be static?
by kernel test robot 20 Nov '24

20 Nov '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 76e29fd0dc6d0f5cf1dd449e526e6dba2d726379 commit: a38e9381cf2ba6f3300c716b1cff4551bec0fbdf [1474/1474] ext4: implement buffered read iomap path config: x86_64-randconfig-121-20241118 (https://download.01.org/0day-ci/archive/20241120/202411201344.6SAp7KFy-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241120/202411201344.6SAp7KFy-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202411201344.6SAp7KFy-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> fs/ext4/inode.c:3585:24: sparse: sparse: symbol 'ext4_iomap_buffered_read_ops' was not declared. Should it be static? vim +/ext4_iomap_buffered_read_ops +3585 fs/ext4/inode.c 3584 > 3585 const struct iomap_ops ext4_iomap_buffered_read_ops = { 3586 .iomap_begin = ext4_iomap_buffered_io_begin, 3587 }; 3588 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH openEuler-1.0-LTS 0/1] lts backport 11
by Yuntao Liu 20 Nov '24

20 Nov '24

lts backport 11 Marc Zyngier (1): irqchip/gic-v3: Force propagation of the active state with a read-back drivers/irqchip/irq-gic-v3.c | 7 +++++++ 1 file changed, 7 insertions(+) -- 2.34.1

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[openeuler:OLK-5.10 2451/2451] arch/x86/kernel/paravirt.c:65:9: error: implicit declaration of function '__text_gen_insn'
by kernel test robot 20 Nov '24

20 Nov '24

Hi Peter, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: e74aedc9df70f84e50a280478b93d98b3a622bc3 commit: 822da186955cbcd69b4715b8a307053e6c756f30 [2451/2451] x86/ibt,paravirt: Use text_gen_insn() for paravirt_patch() config: x86_64-buildonly-randconfig-005-20241119 (https://download.01.org/0day-ci/archive/20241120/202411201154.x6DQX3dV-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241120/202411201154.x6DQX3dV-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202411201154.x6DQX3dV-lkp@intel.com/ All errors (new ones prefixed by >>): arch/x86/kernel/paravirt.c: In function 'paravirt_patch_call': >> arch/x86/kernel/paravirt.c:65:9: error: implicit declaration of function '__text_gen_insn' [-Werror=implicit-function-declaration] 65 | __text_gen_insn(insn_buff, CALL_INSN_OPCODE, | ^~~~~~~~~~~~~~~ >> arch/x86/kernel/paravirt.c:65:36: error: 'CALL_INSN_OPCODE' undeclared (first use in this function) 65 | __text_gen_insn(insn_buff, CALL_INSN_OPCODE, | ^~~~~~~~~~~~~~~~ arch/x86/kernel/paravirt.c:65:36: note: each undeclared identifier is reported only once for each function it appears in arch/x86/kernel/paravirt.c:66:47: error: 'CALL_INSN_SIZE' undeclared (first use in this function) 66 | (void *)addr, target, CALL_INSN_SIZE); | ^~~~~~~~~~~~~~ arch/x86/kernel/paravirt.c:68:1: warning: control reaches end of non-void function [-Wreturn-type] 68 | } | ^ cc1: some warnings being treated as errors vim +/__text_gen_insn +65 arch/x86/kernel/paravirt.c 61 62 static unsigned paravirt_patch_call(void *insn_buff, const void *target, 63 unsigned long addr, unsigned len) 64 { > 65 __text_gen_insn(insn_buff, CALL_INSN_OPCODE, 66 (void *)addr, target, CALL_INSN_SIZE); 67 return CALL_INSN_SIZE; 68 } 69 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-5.10 2451/2451] arch/x86/kernel/paravirt.c:66:26: error: use of undeclared identifier 'CALL_INSN_SIZE'
by kernel test robot 20 Nov '24

20 Nov '24

Hi Peter, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: e74aedc9df70f84e50a280478b93d98b3a622bc3 commit: 822da186955cbcd69b4715b8a307053e6c756f30 [2451/2451] x86/ibt,paravirt: Use text_gen_insn() for paravirt_patch() config: x86_64-buildonly-randconfig-001-20241119 (https://download.01.org/0day-ci/archive/20241120/202411201117.TvJc5RO0-lkp@…) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241120/202411201117.TvJc5RO0-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202411201117.TvJc5RO0-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/x86/kernel/paravirt.c:14: In file included from include/linux/highmem.h:8: In file included from include/linux/mm.h:1581: include/linux/vmstat.h:417:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 417 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 418 | item]; | ~~~~ include/linux/vmstat.h:424:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 424 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 425 | NR_VM_NUMA_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:431:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 431 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:436:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 436 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 437 | NR_VM_NUMA_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:445:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 445 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 446 | NR_VM_NUMA_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ arch/x86/kernel/paravirt.c:65:2: error: implicit declaration of function '__text_gen_insn' [-Werror,-Wimplicit-function-declaration] 65 | __text_gen_insn(insn_buff, CALL_INSN_OPCODE, | ^ arch/x86/kernel/paravirt.c:65:29: error: use of undeclared identifier 'CALL_INSN_OPCODE' 65 | __text_gen_insn(insn_buff, CALL_INSN_OPCODE, | ^ >> arch/x86/kernel/paravirt.c:66:26: error: use of undeclared identifier 'CALL_INSN_SIZE' 66 | (void *)addr, target, CALL_INSN_SIZE); | ^ arch/x86/kernel/paravirt.c:67:9: error: use of undeclared identifier 'CALL_INSN_SIZE' 67 | return CALL_INSN_SIZE; | ^ arch/x86/kernel/paravirt.c:327:4: warning: cast from 'void (*)(struct mmu_gather *, struct page *)' to 'void (*)(struct mmu_gather *, void *)' converts to incompatible function type [-Wcast-function-type-strict] 327 | (void (*)(struct mmu_gather *, void *))tlb_remove_page, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6 warnings and 4 errors generated. vim +/CALL_INSN_SIZE +66 arch/x86/kernel/paravirt.c 61 62 static unsigned paravirt_patch_call(void *insn_buff, const void *target, 63 unsigned long addr, unsigned len) 64 { > 65 __text_gen_insn(insn_buff, CALL_INSN_OPCODE, > 66 (void *)addr, target, CALL_INSN_SIZE); 67 return CALL_INSN_SIZE; 68 } 69 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-5.10 2430/2430] kernel/sys_ni.c:271:1: sparse: sparse: symbol '__x32_compat_sys_fadvise64_64' was not declared. Should it be static?
by kernel test robot 20 Nov '24

20 Nov '24

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: e74aedc9df70f84e50a280478b93d98b3a622bc3 commit: 57d1e11f97da27878e7c1f810a5f10257a043e10 [2430/2430] kernel/sys_ni: add compat entry for fadvise64_64 config: x86_64-randconfig-121-20241114 (https://download.01.org/0day-ci/archive/20241120/202411201047.0almZYd0-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241120/202411201047.0almZYd0-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202411201047.0almZYd0-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sys_ni.c:205:1: sparse: sparse: symbol '__ia32_sys_old_msgctl' was not declared. Should it be static? kernel/sys_ni.c:206:1: sparse: sparse: symbol '__ia32_sys_msgctl' was not declared. Should it be static? kernel/sys_ni.c:207:1: sparse: sparse: symbol '__ia32_compat_sys_msgctl' was not declared. Should it be static? kernel/sys_ni.c:207:1: sparse: sparse: symbol '__x32_compat_sys_msgctl' was not declared. Should it be static? kernel/sys_ni.c:208:1: sparse: sparse: symbol '__ia32_compat_sys_old_msgctl' was not declared. Should it be static? kernel/sys_ni.c:208:1: sparse: sparse: symbol '__x32_compat_sys_old_msgctl' was not declared. Should it be static? kernel/sys_ni.c:209:1: sparse: sparse: symbol '__ia32_sys_msgrcv' was not declared. Should it be static? kernel/sys_ni.c:210:1: sparse: sparse: symbol '__ia32_compat_sys_msgrcv' was not declared. Should it be static? kernel/sys_ni.c:210:1: sparse: sparse: symbol '__x32_compat_sys_msgrcv' was not declared. Should it be static? kernel/sys_ni.c:211:1: sparse: sparse: symbol '__ia32_sys_msgsnd' was not declared. Should it be static? kernel/sys_ni.c:212:1: sparse: sparse: symbol '__ia32_compat_sys_msgsnd' was not declared. Should it be static? kernel/sys_ni.c:212:1: sparse: sparse: symbol '__x32_compat_sys_msgsnd' was not declared. Should it be static? kernel/sys_ni.c:216:1: sparse: sparse: symbol '__x64_sys_old_semctl' was not declared. Should it be static? kernel/sys_ni.c:216:1: sparse: sparse: symbol '__ia32_sys_old_semctl' was not declared. Should it be static? kernel/sys_ni.c:217:1: sparse: sparse: symbol '__ia32_sys_semctl' was not declared. Should it be static? kernel/sys_ni.c:218:1: sparse: sparse: symbol '__ia32_compat_sys_semctl' was not declared. Should it be static? kernel/sys_ni.c:218:1: sparse: sparse: symbol '__x32_compat_sys_semctl' was not declared. Should it be static? kernel/sys_ni.c:219:1: sparse: sparse: symbol '__ia32_compat_sys_old_semctl' was not declared. Should it be static? kernel/sys_ni.c:219:1: sparse: sparse: symbol '__x32_compat_sys_old_semctl' was not declared. Should it be static? kernel/sys_ni.c:221:1: sparse: sparse: symbol '__x64_sys_semtimedop_time32' was not declared. Should it be static? kernel/sys_ni.c:221:1: sparse: sparse: symbol '__ia32_sys_semtimedop_time32' was not declared. Should it be static? kernel/sys_ni.c:222:1: sparse: sparse: symbol '__ia32_sys_semop' was not declared. Should it be static? kernel/sys_ni.c:226:1: sparse: sparse: symbol '__x64_sys_old_shmctl' was not declared. Should it be static? kernel/sys_ni.c:226:1: sparse: sparse: symbol '__ia32_sys_old_shmctl' was not declared. Should it be static? kernel/sys_ni.c:227:1: sparse: sparse: symbol '__ia32_sys_shmctl' was not declared. Should it be static? kernel/sys_ni.c:228:1: sparse: sparse: symbol '__ia32_compat_sys_shmctl' was not declared. Should it be static? kernel/sys_ni.c:228:1: sparse: sparse: symbol '__x32_compat_sys_shmctl' was not declared. Should it be static? kernel/sys_ni.c:229:1: sparse: sparse: symbol '__ia32_compat_sys_old_shmctl' was not declared. Should it be static? kernel/sys_ni.c:229:1: sparse: sparse: symbol '__x32_compat_sys_old_shmctl' was not declared. Should it be static? kernel/sys_ni.c:230:1: sparse: sparse: symbol '__ia32_sys_shmat' was not declared. Should it be static? kernel/sys_ni.c:231:1: sparse: sparse: symbol '__ia32_compat_sys_shmat' was not declared. Should it be static? kernel/sys_ni.c:231:1: sparse: sparse: symbol '__x32_compat_sys_shmat' was not declared. Should it be static? kernel/sys_ni.c:243:1: sparse: sparse: symbol '__ia32_sys_setsockopt' was not declared. Should it be static? kernel/sys_ni.c:244:1: sparse: sparse: symbol '__ia32_compat_sys_setsockopt' was not declared. Should it be static? kernel/sys_ni.c:244:1: sparse: sparse: symbol '__x32_compat_sys_setsockopt' was not declared. Should it be static? kernel/sys_ni.c:245:1: sparse: sparse: symbol '__ia32_sys_getsockopt' was not declared. Should it be static? kernel/sys_ni.c:246:1: sparse: sparse: symbol '__ia32_compat_sys_getsockopt' was not declared. Should it be static? kernel/sys_ni.c:246:1: sparse: sparse: symbol '__x32_compat_sys_getsockopt' was not declared. Should it be static? kernel/sys_ni.c:249:1: sparse: sparse: symbol '__ia32_sys_recvfrom' was not declared. Should it be static? kernel/sys_ni.c:250:1: sparse: sparse: symbol '__ia32_compat_sys_recvfrom' was not declared. Should it be static? kernel/sys_ni.c:250:1: sparse: sparse: symbol '__x32_compat_sys_recvfrom' was not declared. Should it be static? kernel/sys_ni.c:251:1: sparse: sparse: symbol '__ia32_sys_sendmsg' was not declared. Should it be static? kernel/sys_ni.c:252:1: sparse: sparse: symbol '__ia32_compat_sys_sendmsg' was not declared. Should it be static? kernel/sys_ni.c:252:1: sparse: sparse: symbol '__x32_compat_sys_sendmsg' was not declared. Should it be static? kernel/sys_ni.c:253:1: sparse: sparse: symbol '__ia32_sys_recvmsg' was not declared. Should it be static? kernel/sys_ni.c:254:1: sparse: sparse: symbol '__ia32_compat_sys_recvmsg' was not declared. Should it be static? kernel/sys_ni.c:254:1: sparse: sparse: symbol '__x32_compat_sys_recvmsg' was not declared. Should it be static? kernel/sys_ni.c:264:1: sparse: sparse: symbol '__ia32_sys_keyctl' was not declared. Should it be static? kernel/sys_ni.c:265:1: sparse: sparse: symbol '__ia32_compat_sys_keyctl' was not declared. Should it be static? kernel/sys_ni.c:265:1: sparse: sparse: symbol '__x32_compat_sys_keyctl' was not declared. Should it be static? kernel/sys_ni.c:270:1: sparse: sparse: symbol '__x64_sys_fadvise64_64' was not declared. Should it be static? kernel/sys_ni.c:270:1: sparse: sparse: symbol '__ia32_sys_fadvise64_64' was not declared. Should it be static? kernel/sys_ni.c:271:1: sparse: sparse: symbol '__ia32_compat_sys_fadvise64_64' was not declared. Should it be static? >> kernel/sys_ni.c:271:1: sparse: sparse: symbol '__x32_compat_sys_fadvise64_64' was not declared. Should it be static? kernel/sys_ni.c:287:1: sparse: sparse: symbol '__ia32_compat_sys_mbind' was not declared. Should it be static? kernel/sys_ni.c:287:1: sparse: sparse: symbol '__x32_compat_sys_mbind' was not declared. Should it be static? kernel/sys_ni.c:288:1: sparse: sparse: symbol '__ia32_sys_get_mempolicy' was not declared. Should it be static? kernel/sys_ni.c:289:1: sparse: sparse: symbol '__ia32_compat_sys_get_mempolicy' was not declared. Should it be static? kernel/sys_ni.c:289:1: sparse: sparse: symbol '__x32_compat_sys_get_mempolicy' was not declared. Should it be static? kernel/sys_ni.c:291:1: sparse: sparse: symbol '__ia32_compat_sys_set_mempolicy' was not declared. Should it be static? kernel/sys_ni.c:291:1: sparse: sparse: symbol '__x32_compat_sys_set_mempolicy' was not declared. Should it be static? kernel/sys_ni.c:293:1: sparse: sparse: symbol '__ia32_compat_sys_migrate_pages' was not declared. Should it be static? kernel/sys_ni.c:293:1: sparse: sparse: symbol '__x32_compat_sys_migrate_pages' was not declared. Should it be static? kernel/sys_ni.c:294:1: sparse: sparse: symbol '__ia32_sys_move_pages' was not declared. Should it be static? kernel/sys_ni.c:295:1: sparse: sparse: symbol '__ia32_compat_sys_move_pages' was not declared. Should it be static? kernel/sys_ni.c:295:1: sparse: sparse: symbol '__x32_compat_sys_move_pages' was not declared. Should it be static? kernel/sys_ni.c:299:1: sparse: sparse: symbol '__ia32_sys_recvmmsg' was not declared. Should it be static? kernel/sys_ni.c:300:1: sparse: sparse: symbol '__x64_sys_recvmmsg_time32' was not declared. Should it be static? kernel/sys_ni.c:300:1: sparse: sparse: symbol '__ia32_sys_recvmmsg_time32' was not declared. Should it be static? kernel/sys_ni.c:301:1: sparse: sparse: symbol '__ia32_compat_sys_recvmmsg_time32' was not declared. Should it be static? kernel/sys_ni.c:301:1: sparse: sparse: symbol '__x32_compat_sys_recvmmsg_time32' was not declared. Should it be static? kernel/sys_ni.c:302:1: sparse: sparse: symbol '__ia32_compat_sys_recvmmsg_time64' was not declared. Should it be static? kernel/sys_ni.c:302:1: sparse: sparse: symbol '__x32_compat_sys_recvmmsg_time64' was not declared. Should it be static? kernel/sys_ni.c:310:1: sparse: sparse: symbol '__ia32_sys_fanotify_mark' was not declared. Should it be static? kernel/sys_ni.c:314:1: sparse: sparse: symbol '__ia32_sys_open_by_handle_at' was not declared. Should it be static? kernel/sys_ni.c:315:1: sparse: sparse: symbol '__ia32_compat_sys_open_by_handle_at' was not declared. Should it be static? kernel/sys_ni.c:315:1: sparse: sparse: symbol '__x32_compat_sys_open_by_handle_at' was not declared. Should it be static? kernel/sys_ni.c:317:1: sparse: sparse: symbol '__ia32_sys_sendmmsg' was not declared. Should it be static? kernel/sys_ni.c:318:1: sparse: sparse: symbol '__ia32_compat_sys_sendmmsg' was not declared. Should it be static? kernel/sys_ni.c:318:1: sparse: sparse: symbol '__x32_compat_sys_sendmmsg' was not declared. Should it be static? kernel/sys_ni.c:319:1: sparse: sparse: symbol '__ia32_sys_process_vm_readv' was not declared. Should it be static? kernel/sys_ni.c:320:1: sparse: sparse: symbol '__ia32_compat_sys_process_vm_readv' was not declared. Should it be static? kernel/sys_ni.c:320:1: sparse: sparse: symbol '__x32_compat_sys_process_vm_readv' was not declared. Should it be static? kernel/sys_ni.c:321:1: sparse: sparse: symbol '__ia32_sys_process_vm_writev' was not declared. Should it be static? kernel/sys_ni.c:322:1: sparse: sparse: symbol '__ia32_compat_sys_process_vm_writev' was not declared. Should it be static? kernel/sys_ni.c:322:1: sparse: sparse: symbol '__x32_compat_sys_process_vm_writev' was not declared. Should it be static? kernel/sys_ni.c:338:1: sparse: sparse: symbol '__ia32_sys_execveat' was not declared. Should it be static? vim +/__x32_compat_sys_fadvise64_64 +271 kernel/sys_ni.c 268 269 /* mm/fadvise.c */ 270 COND_SYSCALL(fadvise64_64); > 271 COND_SYSCALL_COMPAT(fadvise64_64); 272 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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