linux-kernel - Re: [PATCH v19 008/130] x86/tdx: Warning with 32bit build shift-count-overflow

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Message-ID: <6d92f593-77d8-4008-af3f-5b5bc790b87b@intel.com>
Date: Thu, 7 Mar 2024 11:25:49 +1300
From: "Huang, Kai" <kai.huang@...el.com>
To: Isaku Yamahata <isaku.yamahata@...ux.intel.com>
CC: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	<isaku.yamahata@...el.com>, <kvm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <isaku.yamahata@...il.com>, Paolo Bonzini
	<pbonzini@...hat.com>, <erdemaktas@...gle.com>, Sean Christopherson
	<seanjc@...gle.com>, Sagi Shahar <sagis@...gle.com>, <chen.bo@...el.com>,
	<hang.yuan@...el.com>, <tina.zhang@...el.com>
Subject: Re: [PATCH v19 008/130] x86/tdx: Warning with 32bit build
 shift-count-overflow


>> Please just clarify (at least):
>>
>>   - Does this problem exist in upstream code?
> 
> No.
> 
>>   - If it does, what is the root cause, and how to reproduce?
> 
> v18 had a problem because it has stub function. v19 doesn't have problem because
> it deleted the stub function.

What is the "stub function"??

If "v19 doesn't have problem", why do you even _need_ this patch??

I am tired of guessing, but I don't care anymore given it's not a 
problem in upstream code.