Re: [Xen-devel] [PATCH] xen/x86: Don't try to write syscall-related MSRs for PV guests

2015-09-28 Thread David Vrabel
On 21/09/15 14:09, Boris Ostrovsky wrote: > For PV guests these registers are set up by hypervisor and thus > should not be written by the guest. The comment in xen_write_msr_safe() > says so but we still write the MSRs, causing the hypervisor to > print a warning. Applied to for-linus-4.3,

[Xen-devel] [PATCH] xen/x86: Don't try to write syscall-related MSRs for PV guests

2015-09-21 Thread Boris Ostrovsky
For PV guests these registers are set up by hypervisor and thus should not be written by the guest. The comment in xen_write_msr_safe() says so but we still write the MSRs, causing the hypervisor to print a warning. Signed-off-by: Boris Ostrovsky ---

Re: [Xen-devel] [PATCH] xen/x86: Don't try to write syscall-related MSRs for PV guests

2015-09-21 Thread Konrad Rzeszutek Wilk
On Mon, Sep 21, 2015 at 09:09:28AM -0400, Boris Ostrovsky wrote: > For PV guests these registers are set up by hypervisor and thus > should not be written by the guest. The comment in xen_write_msr_safe() > says so but we still write the MSRs, causing the hypervisor to > print a warning. > >