From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [PATCH v2 7/8] lmb: Add 2 config to define the max number of regions
Date: Fri, 23 Apr 2021 12:24:19 -0400 [thread overview]
Message-ID: <20210423162419.GT1310@bill-the-cat> (raw)
In-Reply-To: <20210310101622.v2.7.Icdf0b7e662fc65658e591ce0f692a5695f607256@changeid>
On Wed, Mar 10, 2021 at 10:16:31AM +0100, Patrick Delaunay wrote:
> Add 2 configs CONFIG_LMB_MEMORY_REGIONS and CONFIG_LMB_RESERVED_REGIONS
> to change independently the max number of the regions in lmb
> library.
>
> When CONFIG_LMB_USE_MAX_REGIONS=y, move the lmb property arrays to
> struct lmb and manage the array size with the element 'max' of struct
> lmb_region; their are still allocated in stack.
>
> When CONFIG_LMB_USE_MAX_REGIONS=n, keep the current location in
> struct lmb_region to allow compiler optimization.
>
> Increase CONFIG_LMB_RESERVED_REGIONS is useful to avoid lmb errors in
> bootm when the number of reserved regions (not adjacent) is reached:
> + 1 region for relocated U-Boot
> + 1 region for initrd
> + 1 region for relocated linux device tree
> + reserved memory regions present in Linux device tree.
>
> The current limit of 8 regions is reached with only 5 reserved regions
> in DT.
>
> see Linux kernel commit bf23c51f1f49 ("memblock: Move memblock arrays
> to static storage in memblock.c and make their size a variable")
>
> Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Applied to u-boot/master, thanks!
--
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 659 bytes
Desc: not available
URL: <https://lists.denx.de/pipermail/u-boot/attachments/20210423/32c757bf/attachment.sig>
next prev parent reply other threads:[~2021-04-23 16:24 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-10 9:16 [PATCH v2 0/8] lmb: Add config for the number of memory and reserved regions Patrick Delaunay
2021-03-10 9:16 ` [PATCH v2 1/8] lmb: move CONFIG_LMB in Kconfig Patrick Delaunay
2021-04-23 16:23 ` Tom Rini
2021-03-10 9:16 ` [PATCH v2 2/8] lmb: remove lmb_region.size Patrick Delaunay
2021-04-23 16:23 ` Tom Rini
2021-03-10 9:16 ` [PATCH v2 3/8] lmb: add a max parameter in the struct lmb_region Patrick Delaunay
2021-04-23 16:23 ` Tom Rini
2021-03-10 9:16 ` [PATCH v2 4/8] lmb: move MAX_LMB_REGIONS value in Kconfig Patrick Delaunay
2021-04-23 16:23 ` Tom Rini
2021-03-10 9:16 ` [PATCH v2 5/8] lmb: correct size of the regions array Patrick Delaunay
2021-04-23 16:24 ` Tom Rini
2021-03-10 9:16 ` [PATCH v2 6/8] test: lmb: add test for overflow protection in lmb_add_region Patrick Delaunay
2021-04-23 16:24 ` Tom Rini
2021-03-10 9:16 ` [PATCH v2 7/8] lmb: Add 2 config to define the max number of regions Patrick Delaunay
2021-04-23 16:24 ` Tom Rini [this message]
2021-03-10 9:16 ` [PATCH v2 8/8] configs: stm32mp15: increase the number of reserved memory region in lmb Patrick Delaunay
2021-04-23 16:24 ` Tom Rini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210423162419.GT1310@bill-the-cat \
--to=trini@konsulko.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox