linux-kernel - Re: [PATCH v11 8/8] x86/vmware: Add TDX hypercall support

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Message-ID: <1750e44f-f9a9-4c2a-afb3-f1ae8237ccb0@broadcom.com>
Date: Fri, 14 Jun 2024 11:32:16 -0700
From: Alexey Makhalov <alexey.makhalov@...adcom.com>
To: Dave Hansen <dave.hansen@...el.com>, Borislav Petkov <bp@...en8.de>
Cc: linux-kernel@...r.kernel.org, virtualization@...ts.linux.dev,
 hpa@...or.com, dave.hansen@...ux.intel.com, mingo@...hat.com,
 tglx@...utronix.de, x86@...nel.org, netdev@...r.kernel.org,
 richardcochran@...il.com, linux-input@...r.kernel.org,
 dmitry.torokhov@...il.com, zackr@...are.com,
 linux-graphics-maintainer@...are.com, pv-drivers@...are.com,
 timothym@...are.com, akaher@...are.com, dri-devel@...ts.freedesktop.org,
 daniel@...ll.ch, airlied@...il.com, tzimmermann@...e.de, mripard@...nel.org,
 maarten.lankhorst@...ux.intel.com, horms@...nel.org,
 kirill.shutemov@...ux.intel.com, Tim Merrifield <tim.merrifield@...adcom.com>
Subject: Re: [PATCH v11 8/8] x86/vmware: Add TDX hypercall support



On 6/14/24 9:19 AM, Dave Hansen wrote:
> On 6/14/24 09:14, Borislav Petkov wrote:
>> On Fri, Jun 14, 2024 at 09:03:22AM -0700, Dave Hansen wrote:
> ...
>>> You need to zero out all of 'args' somehow.
>>
>> You mean like this:
>>
>> 	struct tdx_module_args args = {};
>>
>> ?
> 
> Yes, or do all the assignments with the initializer.  We seem to do it
> both ways, so whatever works.

Thanks Dave for pointing that out. I missed that at v7.