[Mellanox] Disable IOMMU for SN4280 platform (sonic-net#20271)

- Why I did it Disable amd_iommu cmdline option to improve the bootup time after kexec from 60 sec to < 10 sec. - How I did it - How to verify it Verified Warm-reboot is finishing much earlier Ran the sonic-mgmt test suite and verified no issue. Signed-off-by: Vivek Reddy <[email protected]>
aidan-gallagher · Nov 16, 2024 · 93d568c · 93d568c
1 parent 12175b9
commit 93d568c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/device/mellanox/x86_64-nvidia_sn4280-r0/installer.conf b/device/mellanox/x86_64-nvidia_sn4280-r0/installer.conf
@@ -1 +1 @@
-ONIE_PLATFORM_EXTRA_CMDLINE_LINUX="libata.force=noncq module_blacklist=mlx5_ib,mlx5_core ima_hash=sha384"
+ONIE_PLATFORM_EXTRA_CMDLINE_LINUX="libata.force=noncq module_blacklist=mlx5_ib,mlx5_core ima_hash=sha384 amd_iommu=off"