diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2014-06-05 19:16:28 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-06-05 19:16:28 +0100 |
| commit | 9f0355b590ac523d0c4e67c416c3f9cf7af3d574 (patch) | |
| tree | 59be39e43a8014ec6031a0afe60dec29b6b3e032 /target-i386/machine.c | |
| parent | d4f005db9b90b3df6945c709867ab62d8b772a94 (diff) | |
| parent | 79b6f2f651d64a122dd647c1456635d5a6a176ac (diff) | |
Merge remote-tracking branch 'remotes/kvm/uq/master' into staging
* remotes/kvm/uq/master:
kvm: Fix eax for cpuid leaf 0x40000000
kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation
kvm: Enable -cpu option to hide KVM
kvm: Ensure negative return value on kvm_init() error handling path
target-i386: set CC_OP to CC_OP_EFLAGS in cpu_load_eflags
target-i386: get CPL from SS.DPL
target-i386: rework CPL checks during task switch, preparing for next patch
target-i386: fix segment flags for SMM and VM86 mode
target-i386: Fix vm86 mode regression introduced in fd460606fd6f.
kvm_stat: allow choosing between tracepoints and old stats
kvmclock: Ensure time in migration never goes backward
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-i386/machine.c')
| -rw-r--r-- | target-i386/machine.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/target-i386/machine.c b/target-i386/machine.c index 168cab681b..bdff447786 100644 --- a/target-i386/machine.c +++ b/target-i386/machine.c @@ -312,6 +312,14 @@ static int cpu_post_load(void *opaque, int version_id) env->segs[R_SS].flags &= ~(env->segs[R_SS].flags & DESC_DPL_MASK); } + /* Older versions of QEMU incorrectly used CS.DPL as the CPL when + * running under KVM. This is wrong for conforming code segments. + * Luckily, in our implementation the CPL field of hflags is redundant + * and we can get the right value from the SS descriptor privilege level. + */ + env->hflags &= ~HF_CPL_MASK; + env->hflags |= (env->segs[R_SS].flags >> DESC_DPL_SHIFT) & HF_CPL_MASK; + /* XXX: restore FPU round state */ env->fpstt = (env->fpus_vmstate >> 11) & 7; env->fpus = env->fpus_vmstate & ~0x3800; |