<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:"Times New Roman \(Body CS\)";
panose-1:2 11 6 4 2 2 2 2 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
span.EmailStyle20
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;
mso-ligatures:none;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-GB" link="blue" vlink="purple" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal"><span style="font-size:12.0pt;mso-fareast-language:EN-US">Looked into the PR and found:
<a href="https://github.com/openjdk/jdk/pull/13227#issuecomment-1519963429">https://github.com/openjdk/jdk/pull/13227#issuecomment-1519963429</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;mso-fareast-language:EN-US">The patch relies on inlining of ‘memcpy’ by compilers which might be a concern.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-left:36.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">jdk-updates-dev <jdk-updates-dev-retn@openjdk.org> on behalf of "Langer, Christoph" <christoph.langer@sap.com><br>
<b>Date: </b>Wednesday, 2 August 2023 at 13:33<br>
<b>To: </b>Vladimir Kempik <vladimir.kempik@gmail.com>, jdk-updates-dev <jdk-updates-dev@openjdk.java.net><br>
<b>Subject: </b>RE</span><span style="font-size:12.0pt">:<span style="color:black"> regarding backporting 8305056 to 17u<o:p></o:p></span></span></p>
</div>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="mso-fareast-language:EN-US">Hi Vladimir,<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="mso-fareast-language:EN-US">I think you should try the backport, regardless of it being in non risc-v only code.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="mso-fareast-language:EN-US">Cheers<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="mso-fareast-language:EN-US">Christoph<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div style="border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt">
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-left:36.0pt"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> jdk-updates-dev <jdk-updates-dev-retn@openjdk.org>
<b>On Behalf Of </b>Vladimir Kempik<br>
<b>Sent:</b> Mittwoch, 2. August 2023 13:20<br>
<b>To:</b> jdk-updates-dev <jdk-updates-dev@openjdk.java.net><br>
<b>Subject:</b> regarding backporting 8305056 to 17u<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Hello maintainers of openjdk 17 udpates<o:p></o:p></p>
<div>
<p class="MsoNormal" style="margin-left:36.0pt">I would like to know your opinion on backporting <a href="https://bugs.openjdk.org/browse/JDK-8305056">https://bugs.openjdk.org/browse/JDK-8305056</a> to 17u-dev before I start backport process<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt">it’s important for risc-v to prevent misaligned load/stores when generating/patching executable code it opcodes aren’t naturally aligned.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt">Sadly this backport isn’t risc-v only, but I can try to use ifdefs to protect other ports.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt">Regards, Vladimir<o:p></o:p></p>
</div>
</div>
</div>
</div>
<br><br><br>Amazon Development Centre (London) Ltd.Registered in England and Wales with registration number 04543232 with its registered office at 1 Principal Place, Worship Street, London EC2A 2FA, United Kingdom.<br><br><br>
</body>
</html>