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From: Joshua Kinard <kumba@gentoo.org>
To: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: linux-mips@linux-mips.org
Subject: Re: [PATCH 0/9] MIPS Relocatable kernel & KASLR
Date: Thu, 3 Dec 2015 17:23:17 -0500	[thread overview]
Message-ID: <5660C0D5.208@gentoo.org> (raw)
In-Reply-To: <1449137297-30464-1-git-send-email-matt.redfearn@imgtec.com>

On 12/03/2015 05:08, Matt Redfearn wrote:
> This series adds the ability for the MIPS kernel to relocate itself at
> runtime, optionally to an address determined at random each boot. This
> series is based on v4.3 and has been tested on the Malta platform.

[snip]

> * Relocation is currently supported on R2 of the MIPS architecture,
>   32bit and 64bit.

Out of curiosity, why is this capability restricted to MIPS R2 and higher?
IRIX kernels and the 'sash' tool were both relocatable on the older SGI
platforms.  Does the feature, as implemented, rely on R2-specific
instructions/capabilities, or only due to lack of testing on pre-R2 hardware?

--J

  parent reply	other threads:[~2015-12-03 22:23 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-03 10:08 [PATCH 0/9] MIPS Relocatable kernel & KASLR Matt Redfearn
2015-12-03 10:08 ` Matt Redfearn
2015-12-03 10:08 ` [PATCH 1/9] MIPS: tools: Add relocs tool Matt Redfearn
2015-12-03 10:08   ` Matt Redfearn
2015-12-03 10:08 ` [PATCH 2/9] MIPS: tools: Build " Matt Redfearn
2015-12-03 10:08   ` Matt Redfearn
2015-12-03 10:08 ` [PATCH 3/9] MIPS: Reserve space for relocation table Matt Redfearn
2015-12-03 10:08   ` Matt Redfearn
2015-12-03 10:08 ` [PATCH 4/9] MIPS: Generate relocation table when CONFIG_RELOCATABLE Matt Redfearn
2015-12-03 10:08   ` Matt Redfearn
2015-12-03 10:08 ` [PATCH 5/9] MIPS: Kernel: Add relocate.c Matt Redfearn
2015-12-03 10:08   ` Matt Redfearn
2015-12-03 10:08 ` [PATCH 6/9] MIPS: Call relocate_kernel if CONFIG_RELOCATABLE=y Matt Redfearn
2015-12-03 10:08   ` Matt Redfearn
2015-12-03 14:24   ` Sergei Shtylyov
2015-12-03 14:53     ` Matt Redfearn
2015-12-03 14:53       ` Matt Redfearn
2015-12-03 17:46       ` Sergei Shtylyov
2015-12-03 18:54         ` James Hogan
2015-12-04  8:20           ` Matt Redfearn
2015-12-04  8:20             ` Matt Redfearn
2015-12-04 15:37             ` Ralf Baechle
2015-12-04 15:45               ` Matt Redfearn
2015-12-04 15:45                 ` Matt Redfearn
2015-12-03 10:08 ` [PATCH 7/9] MIPS: bootmem: When relocatable, free memory below kernel Matt Redfearn
2015-12-03 10:08   ` Matt Redfearn
2015-12-03 10:08 ` [PATCH 8/9] MIPS: Add CONFIG_RELOCATABLE Kconfig option Matt Redfearn
2015-12-03 10:08   ` Matt Redfearn
2015-12-03 10:08 ` [PATCH 9/9] MIPS: Kernel: Implement kASLR using CONFIG_RELOCATABLE Matt Redfearn
2015-12-03 10:08   ` Matt Redfearn
2015-12-03 22:23 ` Joshua Kinard [this message]
2015-12-04  8:14   ` [PATCH 0/9] MIPS Relocatable kernel & KASLR Matt Redfearn
2015-12-04  8:14     ` Matt Redfearn
2015-12-04 13:14     ` Joshua Kinard

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