Re: [edk2-devel] [PATCH v3 07/24] MdePkg: Avoid hardcoded value for number of Page State Change entries

["Gerd Hoffmann" <kraxel@redhat.com>]

On Fri, Mar 08, 2024 at 07:30:56AM -0800, Lendacky, Thomas via groups.io wrote:
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4654
> 
> The SNP_PAGE_STATE_MAX_ENTRY is based on the number of entries that can
> fit in the GHCB shared buffer. As a result, the SNP_PAGE_STATE_CHANGE_INFO
> structure maps the full GHCB shared buffer based on the shared buffer size
> being 2032 bytes.
> 
> Instead of using a hardcoded value for SNP_PAGE_STATE_MAX_ENTRY, use a
> build calculated value. Since the SNP_PAGE_STATE_CHANGE_INFO is used as a
> mapping, eliminate the hardcoded array size so that the structure can be
> used based on any size buffer.
> 
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>

Acked-by: Gerd Hoffmann <kraxel@redhat.com>



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