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Re: [Xen-devel] [PATCH] x86/msr: Drop {pv, hvm}_max_vcpu_msrs objects

  • To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Date: Mon, 24 Feb 2020 15:32:29 +0100
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  • Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>
  • Delivery-date: Mon, 24 Feb 2020 14:32:56 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Mon, Feb 24, 2020 at 02:22:31PM +0000, Andrew Cooper wrote:
> It turns out that these are unused, and we dup a type-dependent block of
> zeros.  Use xzalloc() instead.
> 
> Read/write MSRs are typically 0 to being with, and non-zero defaults would
> need dealing with at suitable INIT/RESET points (e.g. arch_vcpu_regs_init).
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks, Roger.

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