May 2024 - Kernel - mailweb.openeuler.org

[openeuler:openEuler-1.0-LTS 16561/22602] include/linux/uaccess.h:112:17: warning: 'pmas' may be used uninitialized
by kernel test robot 31 May '24

31 May '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 03933bd11a64b94203f2cbe30ae71061807872fb commit: 1a378b87531ea80e7847bf0105adedff28a73080 [16561/22602] mm: add pin memory method for checkpoint add restore config: arm64-randconfig-002-20240531 (https://download.01.org/0day-ci/archive/20240531/202405310530.QbRwB9XW-lkp@…) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240531/202405310530.QbRwB9XW-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/202405310530.QbRwB9XW-lkp@intel.com/ Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): In file included from include/linux/compat.h:19, from arch/arm64/include/asm/ftrace.h:20, from include/linux/ftrace.h:21, from include/linux/kprobes.h:42, from drivers/char/pin_memory.c:8: In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'set_pin_mem_area' at drivers/char/pin_memory.c:95:6: >> include/linux/uaccess.h:112:17: warning: 'pmas' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/compiler.h:251, from include/linux/export.h:45, from include/linux/linkage.h:7, from include/linux/kernel.h:7, from drivers/char/pin_memory.c:6: include/linux/kasan-checks.h: In function 'set_pin_mem_area': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ drivers/char/pin_memory.c:90:33: note: 'pmas' declared here 90 | struct pin_mem_area_set pmas; | ^~~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'pin_mem_remap' at drivers/char/pin_memory.c:116:6: >> include/linux/uaccess.h:112:17: warning: 'pid' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'pin_mem_remap': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ drivers/char/pin_memory.c:107:13: note: 'pid' declared here 107 | int pid; | ^~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for HARDLOCKUP_DETECTOR Depends on [n]: DEBUG_KERNEL [=n] && !S390 && (HAVE_HARDLOCKUP_DETECTOR_PERF [=n] || HAVE_HARDLOCKUP_DETECTOR_ARCH [=y]) Selected by [y]: - SDEI_WATCHDOG [=y] && <choice> && ARM_SDE_INTERFACE [=y] && !HARDLOCKUP_CHECK_TIMESTAMP [=n] vim +/pmas +112 include/linux/uaccess.h d597580d373774 Al Viro 2017-03-20 104 d597580d373774 Al Viro 2017-03-20 105 #ifdef INLINE_COPY_FROM_USER d597580d373774 Al Viro 2017-03-20 106 static inline unsigned long d597580d373774 Al Viro 2017-03-20 107 _copy_from_user(void *to, const void __user *from, unsigned long n) d597580d373774 Al Viro 2017-03-20 108 { d597580d373774 Al Viro 2017-03-20 109 unsigned long res = n; 9c5f6908de03a4 Al Viro 2017-06-29 110 might_fault(); 4983cb67a383a7 Linus Torvalds 2019-02-14 111 if (likely(access_ok(from, n))) { 9c5f6908de03a4 Al Viro 2017-06-29 @112 kasan_check_write(to, n); d597580d373774 Al Viro 2017-03-20 113 res = raw_copy_from_user(to, from, n); 9c5f6908de03a4 Al Viro 2017-06-29 114 } d597580d373774 Al Viro 2017-03-20 115 if (unlikely(res)) d597580d373774 Al Viro 2017-03-20 116 memset(to + (n - res), 0, res); d597580d373774 Al Viro 2017-03-20 117 return res; d597580d373774 Al Viro 2017-03-20 118 } d597580d373774 Al Viro 2017-03-20 119 #else d597580d373774 Al Viro 2017-03-20 120 extern unsigned long d597580d373774 Al Viro 2017-03-20 121 _copy_from_user(void *, const void __user *, unsigned long); d597580d373774 Al Viro 2017-03-20 122 #endif d597580d373774 Al Viro 2017-03-20 123 d597580d373774 Al Viro 2017-03-20 124 #ifdef INLINE_COPY_TO_USER d597580d373774 Al Viro 2017-03-20 125 static inline unsigned long d597580d373774 Al Viro 2017-03-20 126 _copy_to_user(void __user *to, const void *from, unsigned long n) d597580d373774 Al Viro 2017-03-20 127 { 9c5f6908de03a4 Al Viro 2017-06-29 128 might_fault(); 4983cb67a383a7 Linus Torvalds 2019-02-14 129 if (access_ok(to, n)) { 9c5f6908de03a4 Al Viro 2017-06-29 130 kasan_check_read(from, n); d597580d373774 Al Viro 2017-03-20 131 n = raw_copy_to_user(to, from, n); 9c5f6908de03a4 Al Viro 2017-06-29 132 } d597580d373774 Al Viro 2017-03-20 133 return n; d597580d373774 Al Viro 2017-03-20 134 } d597580d373774 Al Viro 2017-03-20 135 #else d597580d373774 Al Viro 2017-03-20 136 extern unsigned long d597580d373774 Al Viro 2017-03-20 137 _copy_to_user(void __user *, const void *, unsigned long); d597580d373774 Al Viro 2017-03-20 138 #endif d597580d373774 Al Viro 2017-03-20 139 d597580d373774 Al Viro 2017-03-20 140 static __always_inline unsigned long __must_check d597580d373774 Al Viro 2017-03-20 141 copy_from_user(void *to, const void __user *from, unsigned long n) d597580d373774 Al Viro 2017-03-20 142 { b0377fedb65280 Al Viro 2017-06-29 143 if (likely(check_copy_size(to, n, false))) d597580d373774 Al Viro 2017-03-20 @144 n = _copy_from_user(to, from, n); d597580d373774 Al Viro 2017-03-20 145 return n; d597580d373774 Al Viro 2017-03-20 146 } d597580d373774 Al Viro 2017-03-20 147 :::::: The code at line 112 was first introduced by commit :::::: 9c5f6908de03a4f52ba7364b11fcd6116225480c copy_{from,to}_user(): move kasan checks and might_fault() out-of-line :::::: TO: Al Viro <viro(a)zeniv.linux.org.uk> :::::: CC: Al Viro <viro(a)zeniv.linux.org.uk> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 7420/9794] drivers/net/ethernet/3snic/sssnic/nic/../hw/sss_pci_probe.c:54:32: error: no member named 'physfn' in 'struct pci_dev'
by kernel test robot 31 May '24

31 May '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 147f67b8431ec3c45060ee19e8458bec4354b6b8 commit: 1ff5e78839ab1038757ebfd00f0a26ae53e64bda [7420/9794] improve 3SNIC 910/920/930 NIC driver config: x86_64-randconfig-015-20240530 (https://download.01.org/0day-ci/archive/20240531/202405310216.KzJKJ6DX-lkp@…) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240531/202405310216.KzJKJ6DX-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/202405310216.KzJKJ6DX-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/net/ethernet/3snic/sssnic/nic/../hw/sss_pci_probe.c:54:32: error: no member named 'physfn' in 'struct pci_dev' 54 | dev = pdev->is_virtfn ? pdev->physfn : pdev; | ~~~~ ^ drivers/net/ethernet/3snic/sssnic/nic/../hw/sss_pci_probe.c:85:31: warning: shift count >= width of type [-Wshift-count-overflow] 85 | ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:77:54: note: expanded from macro 'DMA_BIT_MASK' 77 | #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) | ^ ~~~ drivers/net/ethernet/3snic/sssnic/nic/../hw/sss_pci_probe.c:96:42: warning: shift count >= width of type [-Wshift-count-overflow] 96 | ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:77:54: note: expanded from macro 'DMA_BIT_MASK' 77 | #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) | ^ ~~~ drivers/net/ethernet/3snic/sssnic/nic/../hw/sss_pci_probe.c:277:5: warning: no previous prototype for function 'sss_attach_uld_driver' [-Wmissing-prototypes] 277 | int sss_attach_uld_driver(struct sss_pci_adapter *adapter, | ^ drivers/net/ethernet/3snic/sssnic/nic/../hw/sss_pci_probe.c:277:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 277 | int sss_attach_uld_driver(struct sss_pci_adapter *adapter, | ^ | static drivers/net/ethernet/3snic/sssnic/nic/../hw/sss_pci_probe.c:320:39: error: no member named 'physfn' in 'struct pci_dev' 320 | dev = (pdev->is_virtfn != 0) ? pdev->physfn : pdev; | ~~~~ ^ drivers/net/ethernet/3snic/sssnic/nic/../hw/sss_pci_probe.c:549:5: warning: no previous prototype for function 'sss_pci_probe' [-Wmissing-prototypes] 549 | int sss_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) | ^ drivers/net/ethernet/3snic/sssnic/nic/../hw/sss_pci_probe.c:549:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 549 | int sss_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) | ^ | static 4 warnings and 2 errors generated. -- >> drivers/net/ethernet/3snic/sssnic/nic/../hw/sss_adapter_mgmt.c:234:30: error: no member named 'physfn' in 'struct pci_dev' 234 | pf_pdev = adapter->pcidev->physfn; | ~~~~~~~~~~~~~~~ ^ 1 error generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PGP_PRELOAD Depends on [n]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=n] Selected by [y]: - PGP_PRELOAD_PUBLIC_KEYS [=y] && CRYPTO [=y] vim +54 drivers/net/ethernet/3snic/sssnic/nic/../hw/sss_pci_probe.c 6864d14bb90f03 weiwei1 2024-04-09 34 6864d14bb90f03 weiwei1 2024-04-09 35 #define SSS_CHECK_EVENT_INFO(event) \ 6864d14bb90f03 weiwei1 2024-04-09 36 ((event)->service == SSS_EVENT_SRV_COMM && \ 6864d14bb90f03 weiwei1 2024-04-09 37 (event)->type == SSS_EVENT_FAULT) 6864d14bb90f03 weiwei1 2024-04-09 38 6864d14bb90f03 weiwei1 2024-04-09 39 #define SSS_CHECK_FAULT_EVENT_INFO(hwdev, fault_event) \ 6864d14bb90f03 weiwei1 2024-04-09 40 ((fault_event)->fault_level == SSS_FAULT_LEVEL_SERIOUS_FLR && \ 6864d14bb90f03 weiwei1 2024-04-09 41 (fault_event)->info.chip.func_id < sss_get_max_pf_num(hwdev)) 6864d14bb90f03 weiwei1 2024-04-09 42 6864d14bb90f03 weiwei1 2024-04-09 43 #define SSS_GET_CFG_REG_BAR(pdev) (SSS_IS_VF_DEV(pdev) ? \ 6864d14bb90f03 weiwei1 2024-04-09 44 SSS_VF_PCI_CFG_REG_BAR : SSS_PF_PCI_CFG_REG_BAR) 6864d14bb90f03 weiwei1 2024-04-09 45 6864d14bb90f03 weiwei1 2024-04-09 46 static bool sss_get_vf_load_state(struct pci_dev *pdev) 6864d14bb90f03 weiwei1 2024-04-09 47 { 6864d14bb90f03 weiwei1 2024-04-09 48 struct sss_pci_adapter *adapter = NULL; 6864d14bb90f03 weiwei1 2024-04-09 49 struct pci_dev *dev = NULL; 6864d14bb90f03 weiwei1 2024-04-09 50 6864d14bb90f03 weiwei1 2024-04-09 51 if (pci_is_root_bus(pdev->bus)) 6864d14bb90f03 weiwei1 2024-04-09 52 return false; 6864d14bb90f03 weiwei1 2024-04-09 53 6864d14bb90f03 weiwei1 2024-04-09 @54 dev = pdev->is_virtfn ? pdev->physfn : pdev; 6864d14bb90f03 weiwei1 2024-04-09 55 adapter = pci_get_drvdata(dev); 6864d14bb90f03 weiwei1 2024-04-09 56 6864d14bb90f03 weiwei1 2024-04-09 57 if (!adapter) { 6864d14bb90f03 weiwei1 2024-04-09 58 sdk_err(&pdev->dev, "Invalid adapter, is null.\n"); 6864d14bb90f03 weiwei1 2024-04-09 59 return false; 6864d14bb90f03 weiwei1 2024-04-09 60 } 6864d14bb90f03 weiwei1 2024-04-09 61 6864d14bb90f03 weiwei1 2024-04-09 62 return true; 6864d14bb90f03 weiwei1 2024-04-09 63 } 6864d14bb90f03 weiwei1 2024-04-09 64 :::::: The code at line 54 was first introduced by commit :::::: 6864d14bb90f03a1e5b7fbcc04fc2ba4d692bd3e support 3SNIC 910/920/930 NIC :::::: TO: weiwei1 <weiwei1(a)ramaxel.com> :::::: CC: weiwei1 <weiwei1(a)ramaxel.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS 19669/22602] kernel/sched/fair.c:6701:33: error: invalid use of undefined type 'struct task_group'
by kernel test robot 31 May '24

31 May '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 03933bd11a64b94203f2cbe30ae71061807872fb commit: 70a232a564cfa99401d197708cf380398ad5e2d7 [19669/22602] sched: Adjust wakeup cpu range according CPU util dynamicly config: arm64-randconfig-001-20240531 (https://download.01.org/0day-ci/archive/20240531/202405310225.ixqT7RKx-lkp@…) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240531/202405310225.ixqT7RKx-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/202405310225.ixqT7RKx-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/sched/fair.c:3675:6: warning: no previous prototype for 'sync_entity_load_avg' [-Wmissing-prototypes] 3675 | void sync_entity_load_avg(struct sched_entity *se) | ^~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:3688:6: warning: no previous prototype for 'remove_entity_load_avg' [-Wmissing-prototypes] 3688 | void remove_entity_load_avg(struct sched_entity *se) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:5206:6: warning: no previous prototype for 'init_cfs_bandwidth' [-Wmissing-prototypes] 5206 | void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {} | ^~~~~~~~~~~~~~~~~~ In file included from arch/arm64/include/asm/current.h:5, from include/linux/sched.h:12, from kernel/sched/sched.h:5, from kernel/sched/fair.c:23: kernel/sched/fair.c: In function 'set_task_select_cpus': >> kernel/sched/fair.c:6701:33: error: invalid use of undefined type 'struct task_group' 6701 | if (unlikely(!tg->se[cpu])) | ^~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ kernel/sched/fair.c:6707:61: error: invalid use of undefined type 'struct task_group' 6707 | spare = (long)(capacity_of(cpu) - tg->se[cpu]->avg.util_avg); | ^~ kernel/sched/fair.c:6720:35: error: invalid use of undefined type 'struct task_group' 6720 | util_avg_sum += tg->se[cpu]->avg.util_avg; | ^~ kernel/sched/fair.c: In function 'select_task_rq_fair': kernel/sched/fair.c:6747:23: warning: variable 'time' set but not used [-Wunused-but-set-variable] 6747 | unsigned long time; | ^~~~ kernel/sched/fair.c: In function 'pick_next_task_fair': kernel/sched/fair.c:7291:23: warning: variable 'time' set but not used [-Wunused-but-set-variable] 7291 | unsigned long time; | ^~~~ kernel/sched/fair.c: At top level: kernel/sched/fair.c:11034:6: warning: no previous prototype for 'free_fair_sched_group' [-Wmissing-prototypes] 11034 | void free_fair_sched_group(struct task_group *tg) { } | ^~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:11036:5: warning: no previous prototype for 'alloc_fair_sched_group' [-Wmissing-prototypes] 11036 | int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:11041:6: warning: no previous prototype for 'online_fair_sched_group' [-Wmissing-prototypes] 11041 | void online_fair_sched_group(struct task_group *tg) { } | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:11043:6: warning: no previous prototype for 'unregister_fair_sched_group' [-Wmissing-prototypes] 11043 | void unregister_fair_sched_group(struct task_group *tg) { } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/migrate.h:6, from kernel/sched/sched.h:52: include/linux/mempolicy.h:329:13: warning: '__do_mbind' defined but not used [-Wunused-function] 329 | static long __do_mbind(unsigned long start, unsigned long len, | ^~~~~~~~~~ vim +6701 kernel/sched/fair.c 6670 6671 /* 6672 * set_task_select_cpus: select the cpu range for task 6673 * @p: the task whose available cpu range will to set 6674 * @idlest_cpu: the cpu which is the idlest in prefer cpus 6675 * 6676 * If sum of 'util_avg' among 'preferred_cpus' lower than the percentage 6677 * 'sysctl_sched_util_low_pct' of 'preferred_cpus' capacity, select 6678 * 'preferred_cpus' range for task, otherwise select 'preferred_cpus' for task. 6679 * 6680 * The available cpu range set to p->select_cpus. Idlest cpu in preferred cpus 6681 * set to @idlest_cpu, which is set to wakeup cpu when fast path wakeup cpu 6682 * without p->select_cpus. 6683 */ 6684 static void set_task_select_cpus(struct task_struct *p, int *idlest_cpu, 6685 int sd_flag) 6686 { 6687 unsigned long util_avg_sum = 0; 6688 unsigned long tg_capacity = 0; 6689 long min_util = INT_MIN; 6690 struct task_group *tg; 6691 long spare; 6692 int cpu; 6693 6694 p->select_cpus = &p->cpus_allowed; 6695 if (!prefer_cpus_valid(p)) 6696 return; 6697 6698 rcu_read_lock(); 6699 tg = task_group(p); 6700 for_each_cpu(cpu, p->prefer_cpus) { > 6701 if (unlikely(!tg->se[cpu])) 6702 continue; 6703 6704 if (idlest_cpu && available_idle_cpu(cpu)) { 6705 *idlest_cpu = cpu; 6706 } else if (idlest_cpu) { 6707 spare = (long)(capacity_of(cpu) - tg->se[cpu]->avg.util_avg); 6708 if (spare > min_util) { 6709 min_util = spare; 6710 *idlest_cpu = cpu; 6711 } 6712 } 6713 6714 if (available_idle_cpu(cpu)) { 6715 rcu_read_unlock(); 6716 p->select_cpus = p->prefer_cpus; 6717 return; 6718 } 6719 6720 util_avg_sum += tg->se[cpu]->avg.util_avg; 6721 tg_capacity += capacity_of(cpu); 6722 } 6723 rcu_read_unlock(); 6724 6725 if (tg_capacity > cpumask_weight(p->prefer_cpus) && 6726 util_avg_sum * 100 <= tg_capacity * sysctl_sched_util_low_pct) { 6727 p->select_cpus = p->prefer_cpus; 6728 } 6729 } 6730 #endif 6731 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6] BUILD REGRESSION 147f67b8431ec3c45060ee19e8458bec4354b6b8
by kernel test robot 31 May '24

31 May '24

tree/branch: https://gitee.com/openeuler/kernel.git OLK-6.6 branch HEAD: 147f67b8431ec3c45060ee19e8458bec4354b6b8 !8151 LoongArch: Fix secondary bridge routing errors Error/Warning ids grouped by kconfigs: gcc_recent_errors |-- arm64-defconfig | |-- arch-arm64-kernel-cpufeature.c:warning:enable_pseudo_nmi-defined-but-not-used | `-- arch-arm64-kvm-vgic-vgic-mmio.c:warning:variable-is_pending-set-but-not-used |-- arm64-randconfig-003-20240530 | |-- vgettimeofday.c:(.text):undefined-reference-to-__tsan_volatile_read4 | |-- vgettimeofday.c:(.text):undefined-reference-to-__tsan_write8 | `-- vgettimeofday.c:(.text.startup):undefined-reference-to-__tsan_init |-- loongarch-allnoconfig | `-- drivers-irqchip-irq-loongson-eiointc.c:error:NODES_PER_FLATMODE_NODE-undeclared-(first-use-in-this-function) |-- loongarch-randconfig-002-20240530 | |-- drivers-irqchip-irq-loongson-eiointc.c:error:NODES_PER_FLATMODE_NODE-undeclared-(first-use-in-this-function) | |-- drivers-net-ethernet-mucse-rnpm-rnpm_lib.c:error:struct-rnpm_tx_buffer-has-no-member-named-gso_need_padding | |-- drivers-net-ethernet-mucse-rnpm-rnpm_main.c:error:struct-rnpm_tx_buffer-has-no-member-named-gso_need_padding | |-- drivers-net-ethernet-mucse-rnpvf-rnpvf_main.c:warning:unused-variable-pfvfnum_reg | `-- drivers-net-ethernet-mucse-rnpvf-rnpvf_regs.h:error:called-object-is-not-a-function-or-function-pointer |-- x86_64-buildonly-randconfig-004-20240530 | `-- arch-x86-kernel-zhaoxin_kh40000.c:error:struct-device-has-no-member-named-dma_ops |-- x86_64-randconfig-013-20240530 | `-- drivers-net-ethernet-yunsilicon-xsc-net-main.c:error:struct-pci_dev-has-no-member-named-physfn |-- x86_64-randconfig-014-20240530 | |-- arch-x86-kernel-zhaoxin_kh40000.c:error:struct-device-has-no-member-named-dma_ops | `-- kernel-dma-contiguous.c:error:is_zhaoxin_kh40000-undeclared-(first-use-in-this-function) |-- x86_64-randconfig-016-20240530 | |-- arch-x86-kernel-zhaoxin_kh40000.c:error:struct-device-has-no-member-named-dma_ops | `-- kernel-dma-contiguous.c:error:is_zhaoxin_kh40000-undeclared-(first-use-in-this-function) `-- x86_64-randconfig-075-20240530 |-- arch-x86-kernel-zhaoxin_kh40000.c:error:struct-device-has-no-member-named-dma_ops `-- kernel-dma-contiguous.c:error:is_zhaoxin_kh40000-undeclared-(first-use-in-this-function) clang_recent_errors |-- arm64-allmodconfig | `-- arch-arm64-kvm-vgic-vgic-mmio.c:warning:variable-is_pending-set-but-not-used |-- arm64-randconfig-004-20240530 | |-- drivers-gpu-drm-phytium-phytium_pci.c:error:call-to-undeclared-function-pci_disable_msi-ISO-C99-and-later-do-not-support-implicit-function-declarations | `-- drivers-gpu-drm-phytium-phytium_pci.c:error:call-to-undeclared-function-pci_enable_msi-ISO-C99-and-later-do-not-support-implicit-function-declarations |-- x86_64-allyesconfig | |-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true | `-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-function-csv_update_api_version |-- x86_64-buildonly-randconfig-001-20240530 | |-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true | `-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-function-csv_update_api_version |-- x86_64-buildonly-randconfig-002-20240530 | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true |-- x86_64-buildonly-randconfig-005-20240530 | |-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true | `-- ld.lld:error:undefined-symbol:iova_reserve_domain_addr |-- x86_64-randconfig-001-20240530 | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true |-- x86_64-randconfig-002-20240530 | |-- arch-x86-kernel-zhaoxin_kh40000.c:error:no-member-named-dma_ops-in-struct-device | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true |-- x86_64-randconfig-003-20240530 | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true |-- x86_64-randconfig-004-20240530 | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true |-- x86_64-randconfig-005-20240530 | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true |-- x86_64-randconfig-006-20240530 | |-- arch-x86-kernel-zhaoxin_kh40000.c:error:call-to-undeclared-function-iommu_get_dma_domain-ISO-C99-and-later-do-not-support-implicit-function-declarations | |-- arch-x86-kernel-zhaoxin_kh40000.c:error:incompatible-integer-to-pointer-conversion-initializing-struct-iommu_domain-with-an-expression-of-type-int | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true |-- x86_64-randconfig-011-20240530 | |-- arch-x86-kernel-zhaoxin_kh40000.c:error:call-to-undeclared-function-iommu_get_dma_domain-ISO-C99-and-later-do-not-support-implicit-function-declarations | |-- arch-x86-kernel-zhaoxin_kh40000.c:error:incompatible-integer-to-pointer-conversion-initializing-struct-iommu_domain-with-an-expression-of-type-int | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true |-- x86_64-randconfig-015-20240530 | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true |-- x86_64-randconfig-071-20240530 | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true |-- x86_64-randconfig-072-20240530 | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true |-- x86_64-randconfig-073-20240530 | |-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true | `-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-function-csv_update_api_version |-- x86_64-randconfig-074-20240530 | |-- arch-x86-kernel-zhaoxin_kh40000.c:error:no-member-named-dma_ops-in-struct-device | `-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true `-- x86_64-rhel-8.3-rust |-- arch-x86-kernel-zhaoxin_kh40000.c:warning:bitwise-or-with-non-zero-value-always-evaluates-to-true `-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-function-csv_update_api_version elapsed time: 771m configs tested: 40 configs skipped: 140 tested configs: arm64 allmodconfig clang arm64 allnoconfig gcc arm64 defconfig gcc arm64 randconfig-001-20240530 clang arm64 randconfig-002-20240530 gcc arm64 randconfig-003-20240530 gcc arm64 randconfig-004-20240530 clang loongarch allmodconfig gcc loongarch allnoconfig gcc loongarch defconfig gcc loongarch randconfig-001-20240530 gcc loongarch randconfig-002-20240530 gcc x86_64 allnoconfig clang x86_64 allyesconfig clang x86_64 buildonly-randconfig-001-20240530 clang x86_64 buildonly-randconfig-002-20240530 clang x86_64 buildonly-randconfig-003-20240530 gcc x86_64 buildonly-randconfig-004-20240530 gcc x86_64 buildonly-randconfig-005-20240530 clang x86_64 buildonly-randconfig-006-20240530 gcc x86_64 defconfig gcc x86_64 randconfig-001-20240530 clang x86_64 randconfig-002-20240530 clang x86_64 randconfig-003-20240530 clang x86_64 randconfig-004-20240530 clang x86_64 randconfig-005-20240530 clang x86_64 randconfig-006-20240530 clang x86_64 randconfig-011-20240530 clang x86_64 randconfig-012-20240530 gcc x86_64 randconfig-013-20240530 gcc x86_64 randconfig-014-20240530 gcc x86_64 randconfig-015-20240530 clang x86_64 randconfig-016-20240530 gcc x86_64 randconfig-071-20240530 clang x86_64 randconfig-072-20240530 clang x86_64 randconfig-073-20240530 clang x86_64 randconfig-074-20240530 clang x86_64 randconfig-075-20240530 gcc x86_64 randconfig-076-20240530 gcc x86_64 rhel-8.3-rust clang -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-5.10] cvm: clean code for cvm init
by Ju Fu 30 May '24

30 May '24

virtcca inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I9TM0T -------------------------------- clean code for cvm init Signed-off-by: Ju Fu <fuju1(a)huawei.com> --- arch/arm64/include/asm/kvm_pgtable.h | 3 -- arch/arm64/include/asm/kvm_tmi.h | 5 +++ arch/arm64/kvm/arm.c | 35 -------------------- arch/arm64/kvm/cvm.c | 49 +++++++++++++++++++++++++--- 4 files changed, 49 insertions(+), 43 deletions(-) diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h index 2068ec591..f5dff6d40 100644 --- a/arch/arm64/include/asm/kvm_pgtable.h +++ b/arch/arm64/include/asm/kvm_pgtable.h @@ -53,9 +53,6 @@ enum kvm_pgtable_prot { KVM_PGTABLE_PROT_PBHA3 = BIT(62), }; -#define TMI_NO_MEASURE_CONTENT U(0) -#define TMI_MEASURE_CONTENT U(1) - #define PAGE_HYP (KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_W) #define PAGE_HYP_EXEC (KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_X) #define PAGE_HYP_RO (KVM_PGTABLE_PROT_R) diff --git a/arch/arm64/include/asm/kvm_tmi.h b/arch/arm64/include/asm/kvm_tmi.h index 68a2da685..536594017 100644 --- a/arch/arm64/include/asm/kvm_tmi.h +++ b/arch/arm64/include/asm/kvm_tmi.h @@ -211,6 +211,9 @@ struct tmi_tec_run { #define U(_x) (_x##U) +#define TMI_NO_MEASURE_CONTENT U(0) +#define TMI_MEASURE_CONTENT U(1) + /* * SMC_TMM_INIT_COMPLETE is the only function in the TMI that originates from * the CVM world and is handled by the SPMD. The remaining functions are @@ -384,6 +387,8 @@ unsigned long cvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu, unsigned long target_affinity, unsigned long lowest_affinity_level); int kvm_cvm_vcpu_set_events(struct kvm_vcpu *vcpu, bool serror_pending, bool ext_dabt_pending); +int kvm_create_cvm_vm(struct kvm *kvm); +int kvm_init_cvm_vm(struct kvm *kvm); #endif #endif diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 16cff3900..363f62073 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -145,41 +145,6 @@ static void set_default_csv2(struct kvm *kvm) kvm->arch.pfr0_csv2 = 1; } -static int kvm_create_cvm_vm(struct kvm *kvm) -{ - struct cvm *cvm; - - if (!static_key_enabled(&kvm_cvm_is_available)) - return -EFAULT; - - if (kvm->arch.cvm) { - kvm_info("cvm already create.\n"); - return 0; - } - - kvm->arch.cvm = kzalloc(sizeof(struct cvm), GFP_KERNEL_ACCOUNT); - if (!kvm->arch.cvm) - return -ENOMEM; - - cvm = (struct cvm *)kvm->arch.cvm; - cvm->is_cvm = true; - return 0; -} - -static int kvm_init_cvm_vm(struct kvm *kvm) -{ - struct tmi_cvm_params *params; - struct cvm *cvm = (struct cvm *)kvm->arch.cvm; - - params = kzalloc(PAGE_SIZE, GFP_KERNEL_ACCOUNT); - if (!params) - return -ENOMEM; - - cvm->params = params; - - return 0; -} - /** * kvm_arch_init_vm - initializes a VM data structure * @kvm: pointer to the KVM struct diff --git a/arch/arm64/kvm/cvm.c b/arch/arm64/kvm/cvm.c index 7f4de2522..70521fec8 100644 --- a/arch/arm64/kvm/cvm.c +++ b/arch/arm64/kvm/cvm.c @@ -158,8 +158,10 @@ int kvm_arm_create_cvm(struct kvm *kvm) if (!kvm_is_cvm(kvm) || kvm_cvm_state(kvm) != CVM_STATE_NONE) return 0; - if (!cvm->params) - return -EFAULT; + if (!cvm->params) { + ret = -EFAULT; + goto out; + } ret = cvm_vmid_reserve(); if (ret < 0) @@ -184,12 +186,14 @@ int kvm_arm_create_cvm(struct kvm *kvm) } WRITE_ONCE(cvm->state, CVM_STATE_NEW); - kfree(cvm->params); - cvm->params = NULL; - return ret; + ret = 0; out: kfree(cvm->params); cvm->params = NULL; + if (ret < 0) { + kfree(cvm); + kvm->arch.cvm = NULL; + } return ret; } @@ -835,3 +839,38 @@ int kvm_cvm_vcpu_set_events(struct kvm_vcpu *vcpu, } return 0; } + +int kvm_create_cvm_vm(struct kvm *kvm) +{ + struct cvm *cvm; + + if (!static_key_enabled(&kvm_cvm_is_available)) + return -EFAULT; + + if (kvm->arch.cvm) { + kvm_info("cvm already create.\n"); + return 0; + } + + kvm->arch.cvm = kzalloc(sizeof(struct cvm), GFP_KERNEL_ACCOUNT); + if (!kvm->arch.cvm) + return -ENOMEM; + + cvm = (struct cvm *)kvm->arch.cvm; + cvm->is_cvm = true; + return 0; +} + +int kvm_init_cvm_vm(struct kvm *kvm) +{ + struct tmi_cvm_params *params; + struct cvm *cvm = (struct cvm *)kvm->arch.cvm; + + params = kzalloc(PAGE_SIZE, GFP_KERNEL_ACCOUNT); + if (!params) + return -ENOMEM; + + cvm->params = params; + + return 0; +} -- 2.25.1.windows.1

2 1

[PATCH OLK-5.10] cvm: clean code for cvm init
by Ju Fu 30 May '24

30 May '24

From: f00839216 <fuju1(a)huawei.com> virtcca inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I9TM0T -------------------------------- clean code for cvm init Signed-off-by: Ju Fu <fuju1(a)huawei.com> --- arch/arm64/include/asm/kvm_pgtable.h | 3 -- arch/arm64/include/asm/kvm_tmi.h | 7 ++++ arch/arm64/kvm/arm.c | 35 -------------------- arch/arm64/kvm/cvm.c | 49 +++++++++++++++++++++++++--- arch/arm64/kvm/hyp/vgic-v3-sr.c | 19 ----------- 5 files changed, 51 insertions(+), 62 deletions(-) diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h index 2068ec591..f5dff6d40 100644 --- a/arch/arm64/include/asm/kvm_pgtable.h +++ b/arch/arm64/include/asm/kvm_pgtable.h @@ -53,9 +53,6 @@ enum kvm_pgtable_prot { KVM_PGTABLE_PROT_PBHA3 = BIT(62), }; -#define TMI_NO_MEASURE_CONTENT U(0) -#define TMI_MEASURE_CONTENT U(1) - #define PAGE_HYP (KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_W) #define PAGE_HYP_EXEC (KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_X) #define PAGE_HYP_RO (KVM_PGTABLE_PROT_R) diff --git a/arch/arm64/include/asm/kvm_tmi.h b/arch/arm64/include/asm/kvm_tmi.h index 68a2da685..69ef5d689 100644 --- a/arch/arm64/include/asm/kvm_tmi.h +++ b/arch/arm64/include/asm/kvm_tmi.h @@ -211,6 +211,9 @@ struct tmi_tec_run { #define U(_x) (_x##U) +#define TMI_NO_MEASURE_CONTENT U(0) +#define TMI_MEASURE_CONTENT U(1) + /* * SMC_TMM_INIT_COMPLETE is the only function in the TMI that originates from * the CVM world and is handled by the SPMD. The remaining functions are @@ -385,5 +388,9 @@ unsigned long cvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu, int kvm_cvm_vcpu_set_events(struct kvm_vcpu *vcpu, bool serror_pending, bool ext_dabt_pending); +int kvm_create_cvm_vm(struct kvm *kvm); + +int kvm_init_cvm_vm(struct kvm *kvm); + #endif #endif diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 16cff3900..363f62073 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -145,41 +145,6 @@ static void set_default_csv2(struct kvm *kvm) kvm->arch.pfr0_csv2 = 1; } -static int kvm_create_cvm_vm(struct kvm *kvm) -{ - struct cvm *cvm; - - if (!static_key_enabled(&kvm_cvm_is_available)) - return -EFAULT; - - if (kvm->arch.cvm) { - kvm_info("cvm already create.\n"); - return 0; - } - - kvm->arch.cvm = kzalloc(sizeof(struct cvm), GFP_KERNEL_ACCOUNT); - if (!kvm->arch.cvm) - return -ENOMEM; - - cvm = (struct cvm *)kvm->arch.cvm; - cvm->is_cvm = true; - return 0; -} - -static int kvm_init_cvm_vm(struct kvm *kvm) -{ - struct tmi_cvm_params *params; - struct cvm *cvm = (struct cvm *)kvm->arch.cvm; - - params = kzalloc(PAGE_SIZE, GFP_KERNEL_ACCOUNT); - if (!params) - return -ENOMEM; - - cvm->params = params; - - return 0; -} - /** * kvm_arch_init_vm - initializes a VM data structure * @kvm: pointer to the KVM struct diff --git a/arch/arm64/kvm/cvm.c b/arch/arm64/kvm/cvm.c index 7f4de2522..70521fec8 100644 --- a/arch/arm64/kvm/cvm.c +++ b/arch/arm64/kvm/cvm.c @@ -158,8 +158,10 @@ int kvm_arm_create_cvm(struct kvm *kvm) if (!kvm_is_cvm(kvm) || kvm_cvm_state(kvm) != CVM_STATE_NONE) return 0; - if (!cvm->params) - return -EFAULT; + if (!cvm->params) { + ret = -EFAULT; + goto out; + } ret = cvm_vmid_reserve(); if (ret < 0) @@ -184,12 +186,14 @@ int kvm_arm_create_cvm(struct kvm *kvm) } WRITE_ONCE(cvm->state, CVM_STATE_NEW); - kfree(cvm->params); - cvm->params = NULL; - return ret; + ret = 0; out: kfree(cvm->params); cvm->params = NULL; + if (ret < 0) { + kfree(cvm); + kvm->arch.cvm = NULL; + } return ret; } @@ -835,3 +839,38 @@ int kvm_cvm_vcpu_set_events(struct kvm_vcpu *vcpu, } return 0; } + +int kvm_create_cvm_vm(struct kvm *kvm) +{ + struct cvm *cvm; + + if (!static_key_enabled(&kvm_cvm_is_available)) + return -EFAULT; + + if (kvm->arch.cvm) { + kvm_info("cvm already create.\n"); + return 0; + } + + kvm->arch.cvm = kzalloc(sizeof(struct cvm), GFP_KERNEL_ACCOUNT); + if (!kvm->arch.cvm) + return -ENOMEM; + + cvm = (struct cvm *)kvm->arch.cvm; + cvm->is_cvm = true; + return 0; +} + +int kvm_init_cvm_vm(struct kvm *kvm) +{ + struct tmi_cvm_params *params; + struct cvm *cvm = (struct cvm *)kvm->arch.cvm; + + params = kzalloc(PAGE_SIZE, GFP_KERNEL_ACCOUNT); + if (!params) + return -ENOMEM; + + cvm->params = params; + + return 0; +} diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c index a45e68ef2..452f4cacd 100644 --- a/arch/arm64/kvm/hyp/vgic-v3-sr.c +++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c @@ -229,25 +229,6 @@ void __vgic_v3_save_state(struct vgic_v3_cpu_if *cpu_if) } } -#ifdef CONFIG_CVM_HOST -void __vgic_v3_restore_tec_state(struct vgic_v3_cpu_if *cpu_if, - u64 *entry_hcr, - u64 *entry_lrs) -{ - u64 used_lrs = cpu_if->used_lrs; - int i; - - *entry_hcr = cpu_if->vgic_hcr; - for (i = 0; i < kvm_vgic_global_state.nr_lr; ++i) { - if (i < used_lrs) { - entry_lrs[i] = cpu_if->vgic_lr[i]; - } else { - entry_lrs[i] = 0; - } - } -} -#endif - void __vgic_v3_restore_state(struct vgic_v3_cpu_if *cpu_if) { u64 used_lrs = cpu_if->used_lrs; -- 2.25.1

2 1

[PATCH] cvm: clean code for cvm init
by Ju Fu 30 May '24

30 May '24

From: f00839216 <fuju1(a)huawei.com> virtcca inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I9TM0T -------------------------------- clean code for cvm init Signed-off-by: Ju Fu <fuju1(a)huawei.com> --- arch/arm64/include/asm/kvm_pgtable.h | 3 -- arch/arm64/include/asm/kvm_tmi.h | 7 ++++ arch/arm64/kvm/arm.c | 35 -------------------- arch/arm64/kvm/cvm.c | 49 +++++++++++++++++++++++++--- arch/arm64/kvm/hyp/vgic-v3-sr.c | 19 ----------- 5 files changed, 51 insertions(+), 62 deletions(-) diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h index 2068ec591..f5dff6d40 100644 --- a/arch/arm64/include/asm/kvm_pgtable.h +++ b/arch/arm64/include/asm/kvm_pgtable.h @@ -53,9 +53,6 @@ enum kvm_pgtable_prot { KVM_PGTABLE_PROT_PBHA3 = BIT(62), }; -#define TMI_NO_MEASURE_CONTENT U(0) -#define TMI_MEASURE_CONTENT U(1) - #define PAGE_HYP (KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_W) #define PAGE_HYP_EXEC (KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_X) #define PAGE_HYP_RO (KVM_PGTABLE_PROT_R) diff --git a/arch/arm64/include/asm/kvm_tmi.h b/arch/arm64/include/asm/kvm_tmi.h index 68a2da685..69ef5d689 100644 --- a/arch/arm64/include/asm/kvm_tmi.h +++ b/arch/arm64/include/asm/kvm_tmi.h @@ -211,6 +211,9 @@ struct tmi_tec_run { #define U(_x) (_x##U) +#define TMI_NO_MEASURE_CONTENT U(0) +#define TMI_MEASURE_CONTENT U(1) + /* * SMC_TMM_INIT_COMPLETE is the only function in the TMI that originates from * the CVM world and is handled by the SPMD. The remaining functions are @@ -385,5 +388,9 @@ unsigned long cvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu, int kvm_cvm_vcpu_set_events(struct kvm_vcpu *vcpu, bool serror_pending, bool ext_dabt_pending); +int kvm_create_cvm_vm(struct kvm *kvm); + +int kvm_init_cvm_vm(struct kvm *kvm); + #endif #endif diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 16cff3900..363f62073 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -145,41 +145,6 @@ static void set_default_csv2(struct kvm *kvm) kvm->arch.pfr0_csv2 = 1; } -static int kvm_create_cvm_vm(struct kvm *kvm) -{ - struct cvm *cvm; - - if (!static_key_enabled(&kvm_cvm_is_available)) - return -EFAULT; - - if (kvm->arch.cvm) { - kvm_info("cvm already create.\n"); - return 0; - } - - kvm->arch.cvm = kzalloc(sizeof(struct cvm), GFP_KERNEL_ACCOUNT); - if (!kvm->arch.cvm) - return -ENOMEM; - - cvm = (struct cvm *)kvm->arch.cvm; - cvm->is_cvm = true; - return 0; -} - -static int kvm_init_cvm_vm(struct kvm *kvm) -{ - struct tmi_cvm_params *params; - struct cvm *cvm = (struct cvm *)kvm->arch.cvm; - - params = kzalloc(PAGE_SIZE, GFP_KERNEL_ACCOUNT); - if (!params) - return -ENOMEM; - - cvm->params = params; - - return 0; -} - /** * kvm_arch_init_vm - initializes a VM data structure * @kvm: pointer to the KVM struct diff --git a/arch/arm64/kvm/cvm.c b/arch/arm64/kvm/cvm.c index 7f4de2522..70521fec8 100644 --- a/arch/arm64/kvm/cvm.c +++ b/arch/arm64/kvm/cvm.c @@ -158,8 +158,10 @@ int kvm_arm_create_cvm(struct kvm *kvm) if (!kvm_is_cvm(kvm) || kvm_cvm_state(kvm) != CVM_STATE_NONE) return 0; - if (!cvm->params) - return -EFAULT; + if (!cvm->params) { + ret = -EFAULT; + goto out; + } ret = cvm_vmid_reserve(); if (ret < 0) @@ -184,12 +186,14 @@ int kvm_arm_create_cvm(struct kvm *kvm) } WRITE_ONCE(cvm->state, CVM_STATE_NEW); - kfree(cvm->params); - cvm->params = NULL; - return ret; + ret = 0; out: kfree(cvm->params); cvm->params = NULL; + if (ret < 0) { + kfree(cvm); + kvm->arch.cvm = NULL; + } return ret; } @@ -835,3 +839,38 @@ int kvm_cvm_vcpu_set_events(struct kvm_vcpu *vcpu, } return 0; } + +int kvm_create_cvm_vm(struct kvm *kvm) +{ + struct cvm *cvm; + + if (!static_key_enabled(&kvm_cvm_is_available)) + return -EFAULT; + + if (kvm->arch.cvm) { + kvm_info("cvm already create.\n"); + return 0; + } + + kvm->arch.cvm = kzalloc(sizeof(struct cvm), GFP_KERNEL_ACCOUNT); + if (!kvm->arch.cvm) + return -ENOMEM; + + cvm = (struct cvm *)kvm->arch.cvm; + cvm->is_cvm = true; + return 0; +} + +int kvm_init_cvm_vm(struct kvm *kvm) +{ + struct tmi_cvm_params *params; + struct cvm *cvm = (struct cvm *)kvm->arch.cvm; + + params = kzalloc(PAGE_SIZE, GFP_KERNEL_ACCOUNT); + if (!params) + return -ENOMEM; + + cvm->params = params; + + return 0; +} diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c index a45e68ef2..452f4cacd 100644 --- a/arch/arm64/kvm/hyp/vgic-v3-sr.c +++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c @@ -229,25 +229,6 @@ void __vgic_v3_save_state(struct vgic_v3_cpu_if *cpu_if) } } -#ifdef CONFIG_CVM_HOST -void __vgic_v3_restore_tec_state(struct vgic_v3_cpu_if *cpu_if, - u64 *entry_hcr, - u64 *entry_lrs) -{ - u64 used_lrs = cpu_if->used_lrs; - int i; - - *entry_hcr = cpu_if->vgic_hcr; - for (i = 0; i < kvm_vgic_global_state.nr_lr; ++i) { - if (i < used_lrs) { - entry_lrs[i] = cpu_if->vgic_lr[i]; - } else { - entry_lrs[i] = 0; - } - } -} -#endif - void __vgic_v3_restore_state(struct vgic_v3_cpu_if *cpu_if) { u64 used_lrs = cpu_if->used_lrs; -- 2.25.1

1 0

[PATCH OLK-5.10 0/1] clean code for cvm init
by Ju Fu 30 May '24

30 May '24

cvm: clean code for cvm init Signed-off-by: Ju Fu <fuju1(a)huawei.com> arch/arm64/include/asm/kvm_pgtable.h | 3 -- arch/arm64/include/asm/kvm_tmi.h | 5 +++ arch/arm64/kvm/arm.c | 35 -------------------- arch/arm64/kvm/cvm.c | 49 +++++++++++++++++++++++++--- arch/arm64/kvm/hyp/vgic-v3-sr.c | 19 ----------- 5 files changed, 49 insertions(+), 62 deletions(-) -- 2.25.1

2 2

cvm libvirt patch
by hejingxian 30 May '24

30 May '24

1 0

cvm qemu patch
by hejingxian 30 May '24

30 May '24

1 0

2024

2023

2022

2021

2020

2019

Kernel May 2024