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Date: Mon, 10 May 2021 08:46:32 +0200
From: Florian Weimer <>
To: Martin Vajnar <>
Subject: Re: Backwards kernel compatibility

* Martin Vajnar:

> I'd like to ask, if it is generally supported to run recent musl on
> older kernels? My primary concern is that there are new syscalls being
> added to linux, while at the same time I do not see a switch similar
> to glibc's to select compatibility mode (--enable-kernel).

--enable-kernel is used to *remove* compatibility with older kernels,
not add it, so it does the opposite what you want.

I believe musl has greater compatibility with older kernels than glibc.


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