[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH] x86/HVM: don't give the wrong impression of WRMSR succeeding



On 02/22/2018 08:44 AM, Jan Beulich wrote:
> ... for unknown MSRs: wrmsr_hypervisor_regs()'s comment clearly says
> that the function returns 0 for unrecognized MSRs, so
> {svm,vmx}_msr_write_intercept() should not convert this into success.
>
> At the time it went in, commit 013e34f5a6 ("x86: handle paged gfn in
> wrmsr_hypervisor_regs") was probably okay, since prior to that the
> return value wasn't checked at all. But that's not how we want things
> to be handled nowadays.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.