linux-kernel - Re: [PATCH v1 07/26] x86/fault: Add helper for dumping RMP entries

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Date: Wed, 10 Jan 2024 09:51:04 -0600
From: Tom Lendacky <thomas.lendacky@....com>
To: Borislav Petkov <bp@...en8.de>
Cc: Michael Roth <michael.roth@....com>, x86@...nel.org, kvm@...r.kernel.org,
 linux-coco@...ts.linux.dev, linux-mm@...ck.org,
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 peterz@...radead.org, srinivas.pandruvada@...ux.intel.com,
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 pankaj.gupta@....com, liam.merwick@...cle.com, zhi.a.wang@...el.com,
 Brijesh Singh <brijesh.singh@....com>
Subject: Re: [PATCH v1 07/26] x86/fault: Add helper for dumping RMP entries



On 1/10/24 09:27, Borislav Petkov wrote:
> On Wed, Jan 10, 2024 at 09:20:44AM -0600, Tom Lendacky wrote:
>> How about saying "... dumping all non-zero entries in the whole ..."
> 
> I'm trying not to have long stories in printk statements :)

Well it only adds "non-zero"

> 
>> and then removing the print below that prints the PFN and "..."
> 
> Why remove the print? You want to print every non-null RMP entry in the
> 2M range, no?

I'm only suggesting getting rid of the else that prints "..." when the 
entry is all zeroes. Printing the non-zero entries would still occur.

Thanks,
Tom

> 
> And the "..." says that it is a null entry.
>