Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/sys/dev/disk/amd/amd.c	2026-10-12 08:52:52.987282431 +0000
|+++ b/sys/dev/disk/amd/amd.c	2026-10-12 08:52:52.999282276 +0000
--------------------------
Patching file sys/dev/disk/amd/amd.c using Plan A...
Hunk #1 succeeded at 393.
done
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/sys/dev/disk/amd/amd.c	2026-10-12 08:52:52.987282431 +0000
|+++ b/sys/dev/disk/amd/amd.c	2026-10-12 08:52:52.999282276 +0000
--------------------------
Patching file sys/dev/disk/amd/amd.c using Plan A...
Hunk #1 succeeded at 393.
done