Re: [PATCH 0/2] Fix CMDLINE_EXTEND handling for FDT "bootargs"
From: Rob Herring <robh@kernel.org>
Date: 2021-03-02 17:32:58
Also in:
linux-devicetree, linuxppc-dev, lkml
On Mon, Mar 1, 2021 at 11:45 AM Christophe Leroy [off-list ref] wrote:
Le 01/03/2021 à 18:26, Rob Herring a écrit :quoted
+PPC folks and Daniel W On Mon, Mar 1, 2021 at 8:42 AM Will Deacon [off-list ref] wrote:quoted
On Mon, Mar 01, 2021 at 08:19:32AM -0600, Rob Herring wrote:quoted
On Thu, Feb 25, 2021 at 6:59 AM Will Deacon [off-list ref] wrote:quoted
We recently [1] enabled support for CMDLINE_EXTEND on arm64, however when I started looking at replacing Android's out-of-tree implementation [2]Did anyone go read the common, reworked version of all this I referenced that supports prepend and append. Here it is again[1]. Maybe I should have been more assertive there and said 'extend' is ambiguous.I tried reading that, but (a) most of the series is not in the mailing list archives and (b) the patch that _is_ doesn't touch CMDLINE_EXTEND at all. Right now the code in mainline does the opposite of what it's documented to do.Actually, there is a newer version I found: https://lore.kernel.org/linuxppc-dev/1551469472-53043-1-git-send-email-danielwa@cisco.com/ (local) https://lore.kernel.org/linuxppc-dev/1551469472-53043-2-git-send-email-danielwa@cisco.com/ (local) https://lore.kernel.org/linuxppc-dev/1551469472-53043-3-git-send-email-danielwa@cisco.com/ (local)This was seen as too much intrusive into powerpc.
It looked like the main issue was string functions for KASAN? As far as being too complex, I think that will be needed if you look at all architectures and non-DT cases.
I proposed an alternative at https://patchwork.ozlabs.org/project/linuxppc-dev/cover/cover.1554195798.git.christophe.leroy@c-s.fr/ but never got any feedback.
Didn't go to a list I subscribe to. In particular, if it had gone to DT list and into PW you would have gotten a reply from me. Rob _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel