From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 0/3] arm64: relocatable kernel proof of concept
Date: Tue, 17 Mar 2015 16:43:53 +0000 [thread overview]
Message-ID: <20150317164353.GN23340@leverpostej> (raw)
In-Reply-To: <CAKv+Gu8H61BSh6j7jd-MYXh6jS=ePPTj11L5Rs-Ce923te6mUg@mail.gmail.com>
> > Also, if you use DEBUG_RODATA the kernel won't be mapped with 1GB
> > mappings after early boot anyway.
> >
>
> That's not the point. The point is that, since physical memory starts
> at the base of the kernel image, as far as the kernel is concerned,
> the relative alignment of the virtual and physical address spaces may
> result in *all* of memory being mapped using 2 MB sections rather than
> 1 GB blocks.
Ah. Good point.
Another reason to split the text and linear mappings ;)
Mark.
next prev parent reply other threads:[~2015-03-17 16:43 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-16 15:23 [RFC PATCH 0/3] arm64: relocatable kernel proof of concept Ard Biesheuvel
2015-03-16 15:23 ` [RFC PATCH 1/3] arm64: head.S: replace early literals with constant immediates Ard Biesheuvel
2015-03-16 17:14 ` Mark Rutland
2015-03-17 7:01 ` Ard Biesheuvel
2015-03-16 15:23 ` [RFC PATCH 2/3] arm64: add support for relocatable kernel Ard Biesheuvel
2015-03-16 15:23 ` [RFC PATCH 3/3] arm64/efi: use relocated kernel Ard Biesheuvel
2015-03-16 16:09 ` [RFC PATCH 0/3] arm64: relocatable kernel proof of concept Mark Rutland
2015-03-16 16:45 ` Ard Biesheuvel
2015-03-16 17:33 ` Mark Rutland
2015-03-16 17:43 ` Ard Biesheuvel
2015-03-17 16:20 ` Mark Rutland
2015-03-16 23:19 ` Kees Cook
2015-03-17 7:38 ` Ard Biesheuvel
2015-03-17 16:35 ` Mark Rutland
2015-03-17 16:40 ` Ard Biesheuvel
2015-03-17 16:43 ` Mark Rutland [this message]
2015-03-23 15:36 ` [PATCH 0/4] RFC: split text and linear mappings using tagged pointers Ard Biesheuvel
2015-03-23 15:36 ` [PATCH 1/4] arm64: use tagged pointers to distinguish kernel text from the linear mapping Ard Biesheuvel
2015-03-25 14:04 ` Catalin Marinas
2015-03-26 1:27 ` Mark Rutland
2015-03-23 15:36 ` [PATCH 2/4] arm64: fixmap: move translation tables to dedicated region Ard Biesheuvel
2015-03-26 1:28 ` Mark Rutland
2015-03-26 6:20 ` Ard Biesheuvel
2015-03-30 14:34 ` Mark Rutland
2015-03-23 15:36 ` [PATCH 3/4] arm64: move kernel text below PAGE_OFFSET Ard Biesheuvel
2015-03-25 14:10 ` Catalin Marinas
2015-03-23 15:36 ` [PATCH 4/4] arm64: align PHYS_OFFSET to block size Ard Biesheuvel
2015-03-25 14:14 ` Catalin Marinas
2015-03-26 6:23 ` Ard Biesheuvel
2015-03-25 14:59 ` Catalin Marinas
2015-03-26 6:22 ` Ard Biesheuvel
2015-03-27 13:16 ` Ard Biesheuvel
2015-03-30 13:49 ` Catalin Marinas
2015-03-30 14:00 ` Ard Biesheuvel
2015-03-30 14:55 ` Mark Rutland
2015-03-30 15:00 ` Catalin Marinas
2015-03-30 18:08 ` Ard Biesheuvel
2015-03-31 14:49 ` Catalin Marinas
2015-03-31 16:19 ` Catalin Marinas
2015-03-31 16:46 ` Catalin Marinas
2015-03-26 1:26 ` [PATCH 0/4] RFC: split text and linear mappings using tagged pointers Mark Rutland
2015-03-26 6:09 ` Ard Biesheuvel
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