Re: [Xen-devel] [PATCH v2 11/16] x86: don't set sysenter_entry in vmcs when !CONFIG_PV

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 02.11.18 at 15:05, <wei.liu2@xxxxxxxxxx> wrote:
> On Fri, Oct 19, 2018 at 03:28:37PM +0100, Wei Liu wrote:
>> The symbol will not be available when PV is disabled.
>> 
>> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> 
> In light of the discussion of the previous patch, a stub for
> sysenter_entry will be provided, so this patch can be dropped.

As said - SYSENTER is fine without stub, due to its different
faulting conditions compared to SYSCALL. Just zero the
respective MSR(s).

Jan



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