diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2018-07-02 19:07:19 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-07-02 19:07:19 +0100 |
| commit | e8c858944ea61923ca563bb5905bf04624d05f16 (patch) | |
| tree | 6913a400986ecd3835c60163208326c398556d69 /target/i386/kvm.c | |
| parent | ab08440a4ee09032d1a9cb22fdcab23bc7e1c656 (diff) | |
| parent | c40d479207b1bb6569ffde06e9a58e85cd529de0 (diff) | |
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* IEC units series (Philippe)
* Hyper-V PV TLB flush (Vitaly)
* git archive detection (Daniel)
* host serial passthrough fix (David)
* NPT support for SVM emulation (Jan)
* x86 "info mem" and "info tlb" fix (Doug)
# gpg: Signature made Mon 02 Jul 2018 16:18:21 BST
# gpg: using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream: (50 commits)
tcg: simplify !CONFIG_TCG handling of tb_invalidate_*
i386/monitor.c: make addresses canonical for "info mem" and "info tlb"
target-i386: Add NPT support
serial: Open non-block
bsd-user: Use the IEC binary prefix definitions
linux-user: Use the IEC binary prefix definitions
tests/crypto: Use the IEC binary prefix definitions
vl: Use the IEC binary prefix definitions
monitor: Use the IEC binary prefix definitions
cutils: Do not include "qemu/units.h" directly
hw/rdma: Use the IEC binary prefix definitions
hw/virtio: Use the IEC binary prefix definitions
hw/vfio: Use the IEC binary prefix definitions
hw/sd: Use the IEC binary prefix definitions
hw/usb: Use the IEC binary prefix definitions
hw/net: Use the IEC binary prefix definitions
hw/i386: Use the IEC binary prefix definitions
hw/ppc: Use the IEC binary prefix definitions
hw/mips: Use the IEC binary prefix definitions
hw/mips/r4k: Constify params_size
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/i386/kvm.c')
| -rw-r--r-- | target/i386/kvm.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 032f0ad2fc..ebb2d23aa4 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -601,7 +601,8 @@ static bool hyperv_enabled(X86CPU *cpu) cpu->hyperv_runtime || cpu->hyperv_synic || cpu->hyperv_stimer || - cpu->hyperv_reenlightenment); + cpu->hyperv_reenlightenment || + cpu->hyperv_tlbflush); } static int kvm_arch_set_tsc_khz(CPUState *cs) @@ -839,6 +840,18 @@ int kvm_arch_init_vcpu(CPUState *cs) if (cpu->hyperv_vapic) { c->eax |= HV_APIC_ACCESS_RECOMMENDED; } + if (cpu->hyperv_tlbflush) { + if (kvm_check_extension(cs->kvm_state, + KVM_CAP_HYPERV_TLBFLUSH) <= 0) { + fprintf(stderr, "Hyper-V TLB flush support " + "(requested by 'hv-tlbflush' cpu flag) " + " is not supported by kernel\n"); + return -ENOSYS; + } + c->eax |= HV_REMOTE_TLB_FLUSH_RECOMMENDED; + c->eax |= HV_EX_PROCESSOR_MASKS_RECOMMENDED; + } + c->ebx = cpu->hyperv_spinlock_attempts; c = &cpuid_data.entries[cpuid_i++]; |