From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH v3 2/2] cramfs: add xip option
Date: Mon, 9 Apr 2018 11:42:01 +0200 [thread overview]
Message-ID: <20180409114201.77e40354@windsurf> (raw)
In-Reply-To: <20180407133543.90767-3-chris.brandt@renesas.com>
Hello,
On Sat, 7 Apr 2018 08:35:43 -0500, Chris Brandt wrote:
> +config BR2_TARGET_ROOTFS_CRAMFS_XIP
> + bool "Support XIP of all ELF files"
> + help
> + For ELF files, uncompressed and properly aligned data blocks will be
> + automatically be mapped directly into user space whenever possible providing
> + eXecute-In-Place (XIP) from ROM of read-only segments. Data segments mapped
> + read-write (hence they have to be copied to RAM) may still be compressed in
> + the cramfs image in the same file along with non compressed read-only
> + segments. Both MMU and no-MMU systems are supported. This is particularly
> + handy for tiny embedded systems with very tight memory constraints.
> +
> + The CRAMFS_MTD Kconfig option must also be enabled in a 4.15+ kernel.
These lines were way too long, so I rewrapped them. You can
use ./utils/check-package to verify your changes: it would have
complained on this change due to the length of the lines.
Applied with this fixed.
Thanks for this cramfs update!
Best regards,
Thomas
--
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
prev parent reply other threads:[~2018-04-09 9:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-07 13:35 [Buildroot] [PATCH v3 0/2] cramfs: new maintainer, repo and XIP feature Chris Brandt
2018-04-07 13:35 ` [Buildroot] [PATCH v3 1/2] cramfs: change to new site location Chris Brandt
2018-04-09 9:41 ` Thomas Petazzoni
2018-04-07 13:35 ` [Buildroot] [PATCH v3 2/2] cramfs: add xip option Chris Brandt
2018-04-09 9:42 ` Thomas Petazzoni [this message]
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