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authorRandy Dunlap <[email protected]>2023-02-21 23:33:15 -0800
committerPaolo Bonzini <[email protected]>2023-02-22 13:32:07 -0500
commit45dd9bc75d9adc9483f0c7d662ba6e73ed698a0b (patch)
tree42ea28586cc7dc9ac0c16f5cd2aa4e17d9fb0610 /tools/perf/scripts/python/stackcollapse.py
parentddad47bfb9552e246ed19ca776d356ee88014af3 (diff)
KVM: SVM: hyper-v: placate modpost section mismatch error
modpost reports section mismatch errors/warnings: WARNING: modpost: vmlinux.o: section mismatch in reference: svm_hv_hardware_setup (section: .text) -> (unknown) (section: .init.data) WARNING: modpost: vmlinux.o: section mismatch in reference: svm_hv_hardware_setup (section: .text) -> (unknown) (section: .init.data) WARNING: modpost: vmlinux.o: section mismatch in reference: svm_hv_hardware_setup (section: .text) -> (unknown) (section: .init.data) This "(unknown) (section: .init.data)" all refer to svm_x86_ops. Tag svm_hv_hardware_setup() with __init to fix a modpost warning as the non-stub implementation accesses __initdata (svm_x86_ops), i.e. would generate a use-after-free if svm_hv_hardware_setup() were actually invoked post-init. The helper is only called from svm_hardware_setup(), which is also __init, i.e. lack of __init is benign other than the modpost warning. Fixes: 1e0c7d40758b ("KVM: SVM: hyper-v: Remote TLB flush for SVM") Signed-off-by: Randy Dunlap <[email protected]> Cc: Vineeth Pillai <[email protected]> Cc: Paolo Bonzini <[email protected]> Cc: [email protected] Cc: [email protected] Reviewed-by: Sean Christopherson <[email protected]> Reviewed-by: Vitaly Kuznetsov <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
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