diff options
| author | Dexuan Cui <decui@microsoft.com> | 2023-08-24 01:07:06 -0700 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2023-08-25 00:04:56 +0000 |
| commit | 0719881bf891cc72bf4375a9f4849d52772c80c6 (patch) | |
| tree | 421efb944c0c0ad8b5dfd167754daf9eade94d3d /drivers/hv | |
| parent | 68f2f2bc163d4427b04f0fb6421f091f948175fe (diff) | |
| download | lwn-0719881bf891cc72bf4375a9f4849d52772c80c6.tar.gz lwn-0719881bf891cc72bf4375a9f4849d52772c80c6.zip | |
x86/hyperv: Fix serial console interrupts for fully enlightened TDX guests
When a fully enlightened TDX guest runs on Hyper-V, the UEFI firmware sets
the HW_REDUCED flag and consequently ttyS0 interrupts can't work. Fix the
issue by overriding x86_init.acpi.reduced_hw_early_init().
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Tianyu Lan <tiala@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/20230824080712.30327-5-decui@microsoft.com
Diffstat (limited to 'drivers/hv')
0 files changed, 0 insertions, 0 deletions