Il 22/09/2013 16:44, Borislav Petkov ha scritto: > From: Borislav Petkov <bp@xxxxxxx> > > Alriiight, > > here's another version of the patchset, hopefully addressing all review > feedback from last time. 6/6 is the respective qemu patch to handle > emulated features query, etc. > > It is still a lot of fun to generate fast! Atom 32-bit SMP guests like > this: > > [ 0.022876] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 > [ 0.033304] smpboot: CPU0: Intel(R) Atom(TM) CPU N270 @ 1.60GHz (fam: 06, model: 1c, stepping: 02) > [ 0.037000] APIC calibration not consistent with PM-Timer: 146ms instead of 100ms > [ 0.037000] APIC delta adjusted to PM-Timer: 6249937 (9125627) > [ 0.037066] Performance Events: unsupported p6 CPU model 28 no PMU driver, software events only. > [ 0.043605] SMP alternatives: lockdep: fixing up alternatives > [ 0.044030] CPU 1 irqstacks, hard=f450c000 soft=f450e000 > [ 0.045004] smpboot: Booting Node 0, Processors #1[ 0.004000] Initializing CPU#1 > [ 0.004000] Atom PSE erratum detected, BIOS microcode update recommended > > [ 0.120290] SMP alternatives: lockdep: fixing up alternatives > [ 0.121007] CPU 2 irqstacks, hard=f451c000 soft=f451e000 > [ 0.122003] #2[ 0.004000] Initializing CPU#2 > [ 0.004000] Atom PSE erratum detected, BIOS microcode update recommended > > ... > > [ 0.667192] SMP alternatives: lockdep: fixing up alternatives > [ 0.668007] CPU 7 irqstacks, hard=f45b0000 soft=f45b2000 > [ 0.669010] #7 OK > [ 0.004000] Initializing CPU#7 > [ 0.004000] Atom PSE erratum detected, BIOS microcode update recommended > [ 0.781052] Brought up 8 CPUs > [ 0.781917] smpboot: Total of 8 processors activated (57461.27 BogoMIPS) > > LooL :-) > > Comments and suggestions appreciated, as always! > > Thanks. > > Borislav Petkov (5): > kvm: Add KVM_GET_EMULATED_CPUID > kvm, emulator: Use opcode length > kvm, emulator: Rename VendorSpecific flag > kvm, emulator: Add initial three-byte insns support > kvm: Emulate MOVBE > > Documentation/virtual/kvm/api.txt | 77 +++++++++++++++++++++++++++++-- > arch/x86/include/asm/kvm_emulate.h | 10 ++-- > arch/x86/include/uapi/asm/kvm.h | 6 +-- > arch/x86/kvm/cpuid.c | 75 +++++++++++++++++++++++++++--- > arch/x86/kvm/cpuid.h | 5 +- > arch/x86/kvm/emulate.c | 94 ++++++++++++++++++++++++++++++++++---- > arch/x86/kvm/x86.c | 16 ++++--- > include/uapi/linux/kvm.h | 2 + > 8 files changed, 251 insertions(+), 34 deletions(-) > > Borislav Petkov (1): > qemu: Add support for emulated CPU features > > include/sysemu/kvm.h | 4 ++++ > linux-headers/linux/kvm.h | 4 ++++ > target-i386/cpu.c | 7 +++++++ > target-i386/kvm.c | 38 ++++++++++++++++++++++++++++++++++---- > 4 files changed, 49 insertions(+), 4 deletions(-) > I tested this patch manually with a small C test program and asm. Would you please prepare a patch to kvm-unit-tests that stresses the new codepath? Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
