linux-kernel - [intel-tdx:kvm-upstream-workaround 190/314] arch/x86/kvm/mmu/tdp_mmu.c:787:35: sparse: sparse: incorrect type in argument 1 (different address spaces)

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Date:   Tue, 20 Sep 2022 15:51:56 +0800
From:   kernel test robot <lkp@...el.com>
To:     Isaku Yamahata <isaku.yamahata@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [intel-tdx:kvm-upstream-workaround 190/314]
 arch/x86/kvm/mmu/tdp_mmu.c:787:35: sparse: sparse: incorrect type in
 argument 1 (different address spaces)

tree:   https://github.com/intel/tdx.git kvm-upstream-workaround
head:   552dd80c48f67ca01bcdd10667e0c11efd375177
commit: 7f8c8738e7b76f16e05a5e16a194e26237c1e5bc [190/314] KVM: x86/tdp_mmu: optimize remote tlb flush
config: x86_64-randconfig-s022-20220919
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel/tdx/commit/7f8c8738e7b76f16e05a5e16a194e26237c1e5bc
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx kvm-upstream-workaround
        git checkout 7f8c8738e7b76f16e05a5e16a194e26237c1e5bc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kvm/ block/ drivers/acpi/ drivers/ata/ drivers/auxdisplay/ drivers/block/ drivers/comedi/ drivers/hwmon/ drivers/infiniband/core/ drivers/infiniband/hw/qib/ drivers/net/ drivers/nvme/host/ drivers/platform/x86/ drivers/rapidio/ drivers/scsi/ drivers/staging/media/av7110/ drivers/thermal/intel/int340x_thermal/ drivers/tty/ drivers/vfio/ drivers/vhost/ drivers/watchdog/ drivers/xen/ fs/crypto/ fs/ext2/ fs/ext4/ fs/fat/ fs/quota/ fs/reiserfs/ ipc/ kernel/ net/appletalk/ net/ax25/ net/bluetooth/ net/can/ net/core/ net/dccp/ net/decnet/ net/ipv4/bpfilter/ net/llc/ net/mptcp/ net/netfilter/ net/netrom/ net/qrtr/ net/rfkill/ net/rose/ net/rxrpc/ net/sctp/ net/tls/ net/x25/ security/apparmor/ sound/core/ sound/pci/asihpi/ virt/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

sparse warnings: (new ones prefixed by >>)
   arch/x86/kvm/mmu/tdp_mmu.c:662:17: 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:662:17: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:662:17: sparse:     got unsigned long long [noderef] [usertype] __rcu *
>> arch/x86/kvm/mmu/tdp_mmu.c:787:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned long long [usertype] *sptep @@     got unsigned long long [noderef] [usertype] __rcu *const [usertype] sptep @@
   arch/x86/kvm/mmu/tdp_mmu.c:787:35: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:787:35: sparse:     got unsigned long long [noderef] [usertype] __rcu *const [usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:863:9: 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:863:9: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:863:9: sparse:     got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:877:28: 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:877:28: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:877:28: sparse:     got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:1729:9: 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:1729:9: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:1729:9: sparse:     got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:1408:17: 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:1408:17: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:1408:17: sparse:     got unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:406:9: sparse: sparse: context imbalance in 'tdp_mmu_unlink_sp' - different lock contexts for basic block
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: 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:749:49: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: sparse:     got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep @@     got unsigned long long [usertype] *sptep @@
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     got unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c: note: in included file (through include/linux/rculist.h, include/linux/pid.h, include/linux/sched.h, ...):
   include/linux/rcupdate.h:737:9: sparse: sparse: context imbalance in '__tdp_mmu_zap_root' - unexpected unlock
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: 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:749:49: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: sparse:     got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep @@     got unsigned long long [usertype] *sptep @@
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     got unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: 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:749:49: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: sparse:     got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep @@     got unsigned long long [usertype] *sptep @@
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     got unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: 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:749:49: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: sparse:     got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep @@     got unsigned long long [usertype] *sptep @@
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     got unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: 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:749:49: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: sparse:     got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep @@     got unsigned long long [usertype] *sptep @@
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     got unsigned long long [usertype] *sptep
   include/linux/rcupdate.h:737:9: sparse: sparse: context imbalance in 'tdp_mmu_alloc_sp_for_split' - unexpected unlock
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: 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:749:49: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: sparse:     got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep @@     got unsigned long long [usertype] *sptep @@
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     got unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: 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:749:49: sparse:     expected unsigned long long [usertype] *sptep
   arch/x86/kvm/mmu/tdp_mmu.c:749:49: sparse:     got unsigned long long [noderef] [usertype] __rcu *[usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep @@     got unsigned long long [usertype] *sptep @@
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     expected unsigned long long [noderef] [usertype] __rcu *[addressable] [usertype] sptep
   arch/x86/kvm/mmu/tdp_mmu.c:777:42: sparse:     got unsigned long long [usertype] *sptep

vim +787 arch/x86/kvm/mmu/tdp_mmu.c

   781	
   782	static u64 private_zapped_spte(struct kvm *kvm, const struct tdp_iter *iter)
   783	{
   784		if (!kvm_gfn_shared_mask(kvm))
   785			return SHADOW_NONPRESENT_VALUE;
   786	
 > 787		if (!is_private_sptep(iter->sptep))
   788			return SHADOW_NONPRESENT_VALUE;
   789	
   790		return SHADOW_NONPRESENT_VALUE | SPTE_PRIVATE_ZAPPED |
   791			(spte_to_pfn(iter->old_spte) << PAGE_SHIFT) |
   792			(is_large_pte(iter->old_spte) ? PT_PAGE_SIZE_MASK : 0);
   793	}
   794	

-- 
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https://01.org/lkp

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