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Re: [Xen-devel] [PATCH Altp2m cleanup v4 1/4] x86/HVM: adjust feature checking in MSR intercept handling



[Paul] in-line
-----Original Message-----
From: Jan Beulich [mailto:JBeulich@xxxxxxxx] 
Sent: Thursday, September 8, 2016 3:33 AM
To: Lai, Paul C <paul.c.lai@xxxxxxxxx>
Cc: george.dunlap@xxxxxxxxxx; Sahita, Ravi <ravi.sahita@xxxxxxxxx>; xen-devel 
<xen-devel@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH Altp2m cleanup v4 1/4] x86/HVM: adjust feature checking in 
MSR intercept handling

>>> On 08.09.16 at 00:04, <paul.c.lai@xxxxxxxxx> wrote:
> From: Jan Beulich <jbeulich@xxxxxxxx>
> 
> Consistently consult hvm_cpuid(). With that, BNDCFGS gets better 
> handled outside of VMX specific code, just like XSS. Don't needlessly 
> check for MTRR support when the MSR being accessed clearly is not an 
> MTRR one.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Why did you (re)send this? It went in yesterday together with its VMX prereq. 
Without that prereq it's useless (as it won't apply), and if you worked on a 
tree where the prereq was already present, then this one would have been 
present too (as they got pushed at the same time).

Jan

[Paul] Argh -- looks like I used the wrong commit# during the git send-email 
command .... grrr...
   Apologies....


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