On Mon, Sep 23, 2019 at 01:34:21PM -0400, Andrea Arcangeli wrote:
> Per subject of the patch, 14 is also an optimization that while not a
> strict requirement, is somewhat related to the monolithic conversion
> because in fact it may naturally disappear if I rename the vmx/svm
> functions
Hello,
On Mon, Sep 23, 2019 at 08:30:57AM -0700, Sean Christopherson wrote:
> On Mon, Sep 23, 2019 at 12:22:23PM +0200, Paolo Bonzini wrote:
> > On 20/09/19 23:24, Andrea Arcangeli wrote:
> > > We can't assume the SPEC_CTRL msr is zero at boot because it could be
> > > left enabled by a previous
On Mon, Sep 23, 2019 at 12:22:23PM +0200, Paolo Bonzini wrote:
> On 20/09/19 23:24, Andrea Arcangeli wrote:
> > We can't assume the SPEC_CTRL msr is zero at boot because it could be
> > left enabled by a previous kernel booted with
> > spec_store_bypass_disable=on.
> >
> > Without this fix a boot
On 20/09/19 23:24, Andrea Arcangeli wrote:
> We can't assume the SPEC_CTRL msr is zero at boot because it could be
> left enabled by a previous kernel booted with
> spec_store_bypass_disable=on.
>
> Without this fix a boot with spec_store_bypass_disable=on followed by
> a kexec boot with
We can't assume the SPEC_CTRL msr is zero at boot because it could be
left enabled by a previous kernel booted with
spec_store_bypass_disable=on.
Without this fix a boot with spec_store_bypass_disable=on followed by
a kexec boot with spec_store_bypass_disable=off would erroneously and
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