Messages in this thread | | | Date | Mon, 16 Jun 2014 12:18:46 +0200 | From | Paolo Bonzini <> | Subject | Re: [PATCH 0/6] KVM: x86: More emulator bugs |
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Il 15/06/2014 15:12, Nadav Amit ha scritto: > This patch-set resolves several emulator bugs. Each fix is independent of the > others. The DR6/7 bug can occur during DR-access exit (regardless to > unrestricted mode, MMIO and SPT). > > Thanks for reviewing the patches, > Nadav > > Nadav Amit (6): > KVM: x86: bit-ops emulation ignores offset on 64-bit > KVM: x86: Wrong emulation on 'xadd X, X' > KVM: x86: Inter privilage level ret emulation is not implemeneted > KVM: x86: emulation of dword cmov on long-mode should clear [63:32] > KVM: x86: NOP emulation clears (incorrectly) the high 32-bits of RAX > KVM: x86: check DR6/7 high-bits are clear only on long-mode > > arch/x86/kvm/emulate.c | 31 ++++++++++++++++++++----------- > arch/x86/kvm/x86.c | 13 +++++++++++-- > 2 files changed, 31 insertions(+), 13 deletions(-) >
I applied these locally. Can you prepare testcases for patches 1, 2, 4 and 5? Perhaps patch 6 too if it's easy to reproduce.
Paolo
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