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Date: Thu, 9 Apr 2020 15:35:08 -0700
From: Dave Hansen <dave.hansen@...el.com>
To: Arvind Sankar <nivedita@...m.mit.edu>
Cc: "Tobin C . Harding" <me@...in.cc>, Tycho Andersen <tycho@...ho.ws>,
kernel-hardening@...ts.openwall.com, Kees Cook <keescook@...omium.org>,
Andy Lutomirski <luto@...nel.org>, Peter Zijlstra <peterz@...radead.org>,
x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86/mm/init: Stop printing pgt_buf addresses
On 4/9/20 3:19 PM, Arvind Sankar wrote:
>> @@ -121,8 +121,6 @@ __ref void *alloc_low_pages(unsigned int num)
>> } else {
>> pfn = pgt_buf_end;
>> pgt_buf_end += num;
>> - printk(KERN_DEBUG "BRK [%#010lx, %#010lx] PGTABLE\n",
>> - pfn << PAGE_SHIFT, (pgt_buf_end << PAGE_SHIFT) - 1);
>> }
>>
>> for (i = 0; i < num; i++) {
>> --
>> 2.24.1
>>
> This was acked by Kees, is it ok for merge?
Independent of the obvious security implications, I don't think I've
ever once gleaned useful information from that message. It's fine by me.
Acked-by: Dave Hansen <dave.hansen@...el.com>
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