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From: "Michael S. Tsirkin" <mst@redhat.com>
To: pbonzini@redhat.com, kvm@vger.kernel.org
Subject: sparse warnings
Date: Tue, 4 Aug 2020 17:36:34 -0400	[thread overview]
Message-ID: <20200804173612-mutt-send-email-mst@kernel.org> (raw)

noticed these hen building with C=1:


arch/x86/kvm/x86.c:2669:38: warning: incorrect type in argument 1 (different address spaces)
arch/x86/kvm/x86.c:2669:38:    expected void const [noderef] __user *
arch/x86/kvm/x86.c:2669:38:    got unsigned char [usertype] *
arch/x86/kvm/x86.c:7636:15: error: incompatible types in comparison expression (different address spaces):
arch/x86/kvm/x86.c:7636:15:    struct kvm_apic_map [noderef] __rcu *
arch/x86/kvm/x86.c:7636:15:    struct kvm_apic_map *
arch/x86/kvm/x86.c:10010:16: error: incompatible types in comparison expression (different address spaces):
arch/x86/kvm/x86.c:10010:16:    struct kvm_apic_map [noderef] __rcu *
arch/x86/kvm/x86.c:10010:16:    struct kvm_apic_map *
arch/x86/kvm/x86.c:10011:15: error: incompatible types in comparison expression (different address spaces):
arch/x86/kvm/x86.c:10011:15:    struct kvm_pmu_event_filter [noderef] __rcu *
arch/x86/kvm/x86.c:10011:15:    struct kvm_pmu_event_filter *
arch/x86/kvm/x86.c: note: in included file (through include/linux/notifier.h, arch/x86/include/asm/uprobes.h, include/linux/uprobes.h, include/linux/mm_types.h, include/asm-generic/fixmap.h, arch/x86/include/asm/fixmap.h, ...):
./include/linux/srcu.h:179:9: warning: context imbalance in 'vcpu_enter_guest' - unexpected unlock


HTH,
-- 
MST


             reply	other threads:[~2020-08-04 21:36 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-04 21:36 Michael S. Tsirkin [this message]
  -- strict thread matches above, loose matches on Subject: below --
2020-07-29 19:48 sparse warnings Bjorn Helgaas
2020-09-30 22:39 ` Bjorn Helgaas
2020-10-01  6:29   ` Kishon Vijay Abraham I
2008-10-28 15:57 Johannes Berg
2008-10-29  8:06 ` Holger Schurig
2008-09-11 10:46 Johannes Berg
2008-06-27 19:52 Sparse warnings Larry Finger
2008-06-27 19:53 ` Pavel Roskin

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