Messages in this thread | | | Date | Wed, 18 Oct 2023 13:27:30 +0100 | From | Will Deacon <> | Subject | Re: [PATCH 0/4] arm64: Make Aarch32 compatibility enablement optional at boot |
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Hi,
On Wed, Oct 18, 2023 at 01:13:18PM +0200, Andrea della Porta wrote: > Aarch32 compatibility mode is enabled at compile time through > CONFIG_COMPAT Kconfig option. This patchset lets 32-bit support > (for both processes and syscalls) be enabled at boot time using > a kernel parameter. Also, it provides a mean for distributions > to set their own default without sacrificing compatibility support, > that is users can override default behaviour through the kernel > parameter.
I proposed something similar in the past:
https://lkml.kernel.org/linux-fsdevel/20210916131816.8841-1-will@kernel.org/
bu the conclusion there (see the reply from Kees) was that it was better to either use existing seccomp mechanisms or add something to control which binfmts can be loaded.
Will
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