Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 021/545] KVM: x86: Tag kvm_mmu_x86_module_init() with __init | Date | Fri, 19 Aug 2022 17:36:31 +0200 |
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From: Sean Christopherson <seanjc@google.com>
commit 982bae43f11c37b51d2f1961bb25ef7cac3746fa upstream.
Mark kvm_mmu_x86_module_init() with __init, the entire reason it exists is to initialize variables when kvm.ko is loaded, i.e. it must never be called after module initialization.
Fixes: 1d0e84806047 ("KVM: x86/mmu: Resolve nx_huge_pages when kvm.ko is loaded") Cc: stable@vger.kernel.org Reviewed-by: Kai Huang <kai.huang@intel.com> Tested-by: Michael Roth <michael.roth@amd.com> Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20220803224957.1285926-2-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- arch/x86/include/asm/kvm_host.h | 2 +- arch/x86/kvm/mmu/mmu.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
--- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1340,7 +1340,7 @@ static inline int kvm_arch_flush_remote_ return -ENOTSUPP; } -void kvm_mmu_x86_module_init(void); +void __init kvm_mmu_x86_module_init(void); int kvm_mmu_vendor_module_init(void); void kvm_mmu_vendor_module_exit(void); --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -5886,7 +5886,7 @@ static int set_nx_huge_pages(const char * nx_huge_pages needs to be resolved to true/false when kvm.ko is loaded, as * its default value of -1 is technically undefined behavior for a boolean. */ -void kvm_mmu_x86_module_init(void) +void __init kvm_mmu_x86_module_init(void) { if (nx_huge_pages == -1) __set_nx_huge_pages(get_nx_auto_mode());
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