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Date:   Sat, 29 Feb 2020 15:51:45 -0800
From:   Kees Cook <keescook@chromium.org>
To:     Arvind Sankar <nivedita@alum.mit.edu>
Cc:     dave.hansen@linux.intel.com, kernel-hardening@lists.openwall.com,
        linux-kernel@vger.kernel.org, luto@kernel.org, me@tobin.cc,
        peterz@infradead.org, tycho@tycho.ws, x86@kernel.org
Subject: Re: [PATCH] x86/mm/init_32: Don't print out kernel memory layout if
 KASLR
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Arvind Sankar said:
> For security, only show the virtual kernel memory layout if KASLR is
> disabled.

These have been entirely removed on other architectures, so let's
just do the same for ia32 and remove it unconditionally.

071929dbdd86 ("arm64: Stop printing the virtual memory layout")
1c31d4e96b8c ("ARM: 8820/1: mm: Stop printing the virtual memory layout")
31833332f798 ("m68k/mm: Stop printing the virtual memory layout")
fd8d0ca25631 ("parisc: Hide virtual kernel memory layout")
adb1fe9ae2ee ("mm/page_alloc: Remove kernel address exposure in free_reserved_area()")

-Kees

-- 
Kees Cook