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<div>Gerd,</div>
<div dir="ltr">The S3 path has been 64bit ready.</div>
<div dir="ltr">Can you check if OVMF pei64 image can do s3?</div>
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<div dir="ltr">At least internally in some real platform we tested s3 flow with 64bit PEI.</div>
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<div dir="ltr">Thanks,</div>
<div dir="ltr">Ray</div>
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<div style="direction: ltr;">thanks,</div>
<div style="direction: ltr;">ray</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Gerd Hoffmann <kraxel@redhat.com><br>
<b>Sent:</b> Monday, May 22, 2023 8:06:46 PM<br>
<b>To:</b> Ard Biesheuvel <ardb@kernel.org><br>
<b>Cc:</b> edk2-devel-groups-io <devel@edk2.groups.io>; Ni, Ray <ray.ni@intel.com>; Yao, Jiewen <jiewen.yao@intel.com>; Laszlo Ersek <lersek@redhat.com>; Taylor Beebe <t@taylorbeebe.com>; Oliver Smith-Denny <osd@smith-denny.com><br>
<b>Subject:</b> Re: managing memory attributes in PEI</font>
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<div class="PlainText">> So my questions are:<br>
> - do we need to retain mixed IA32 / X64 support, and if so, why? (I<br>
> think it is related to SMM emulation but I need someone to confirm<br>
> this)<br>
<br>
Yes, it's SMM related. S3 suspend in SMM-enabled builds requires<br>
32bit PEI.<br>
<br>
Intel seems to be working on removing the IA32 dependency, by adding<br>
full X64 support to various places in the code base. There have been<br>
numerous patch sets on the list over the last months, some of them<br>
are merged meanwhile. As far I know the patch series addressing the<br>
suspend problem is not yet merged (Ray, Jiewen, please correct me if<br>
I'm wrong).<br>
<br>
So, right now we still need that, but I expect that to change in near<br>
future.<br>
<br>
take care,<br>
Gerd<br>
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