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Re: [PATCH v3 4/8] x86/acpi: separate AMD-Vi and VT-d specific functions


  • To: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Mon, 16 Jan 2023 17:43:44 +0100
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  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 16 Jan 2023 16:43:55 +0000
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On 16.01.2023 08:04, Xenia Ragiadakou wrote:
> The functions acpi_dmar_init() and acpi_dmar_zap/reinstate() are
> VT-d specific while the function acpi_ivrs_init() is AMD-Vi specific.
> To eliminate dead code, they need to be guarded under CONFIG_INTEL_IOMMU
> and CONFIG_AMD_IOMMU, respectively.
> 
> Instead of adding #ifdef guards around the function calls, implement them
> as empty static inline functions.
> 
> Take the opportunity to move the declaration of acpi_dmar_init from the
> x86 arch-specific header to the common header, since Intel VT-d has been
> also used on IA-64 platforms.
> 
> No functional change intended.
> 
> Signed-off-by: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>





 


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