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

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Message-ID: <74f8300b-3520-4824-81e3-71464e3da3b6@intel.com>
Date: Fri, 14 Jun 2024 09:19:35 -0700
From: Dave Hansen <dave.hansen@...el.com>
To: Borislav Petkov <bp@...en8.de>
Cc: Alexey Makhalov <alexey.makhalov@...adcom.com>,
 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 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.