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Date:      Wed, 06 May 2026 18:50:44 +0000
From:      Colin Percival <cperciva@FreeBSD.org>
To:        doc-committers@FreeBSD.org, dev-commits-doc-all@FreeBSD.org
Subject:   git: 05d4f53019 - main - 15.1/relnotes: Clarify Extended Destination ID
Message-ID:  <69fb8d84.3a7f8.155f0ac3@gitrepo.freebsd.org>
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The branch main has been updated by cperciva:

URL: https://cgit.FreeBSD.org/doc/commit/?id=05d4f530194765887b5545c820628ba40c12e2b4

commit 05d4f530194765887b5545c820628ba40c12e2b4
Author:     Colin Percival <cperciva@FreeBSD.org>
AuthorDate: 2026-05-06 18:38:52 +0000
Commit:     Colin Percival <cperciva@FreeBSD.org>
CommitDate: 2026-05-06 18:41:35 +0000

    15.1/relnotes: Clarify Extended Destination ID
    
    We don't merely recognize bits in CPUID; we make use of it to allow
    FreeBSD to run on larger VMs, including EC2 r8i.96xlarge.
    
    Sponsored by:   Amazon
---
 website/content/en/releases/15.1R/relnotes.adoc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/website/content/en/releases/15.1R/relnotes.adoc b/website/content/en/releases/15.1R/relnotes.adoc
index b91a0b2ded..a04587d1f9 100644
--- a/website/content/en/releases/15.1R/relnotes.adoc
+++ b/website/content/en/releases/15.1R/relnotes.adoc
@@ -733,8 +733,9 @@ gitref:d29dd64b3f88[repository=src].
 The amd64 architecture now supports LASS (Linear Address Space Separation), a security feature that helps isolate kernel and user address spaces. This change may affect debugging and low-level system programming.
 gitref:532c8d3f90b9[repository=src].
 
-The x86 cpuid code has added a flag for Extended Destination ID support, enabling support for up to 32768 APIC IDs in IO-APIC and MSI without interrupt remapping.
+The amd64 architecture now supports the Extended Destination ID standard, enabling support for up to 32768 APIC IDs in IO-APIC and MSI without interrupt remapping; in particular, this adds support for EC2 "r8i.96xlarge" instances.
 gitref:b54646e37a2b[repository=src].
+{{< sponsored "Amazon" >}}
 
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