Messages in this thread | | | Date | Wed, 14 Feb 2024 10:52:47 -0800 | Subject | Re: [PATCH v1 0/8] x86_64 SandBox Mode arch hooks | From | Xin Li <> |
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On 2/14/2024 10:22 AM, Petr Tesařík wrote: > On Wed, 14 Feb 2024 06:52:53 -0800 > Dave Hansen <dave.hansen@intel.com> wrote: > >> On 2/14/24 03:35, Petr Tesarik wrote: >>> This patch series implements x86_64 arch hooks for the generic SandBox >>> Mode infrastructure. >> >> I think I'm missing a bit of context here. What does one _do_ with >> SandBox Mode? Why is it useful? > > I see, I split the patch series into the base infrastructure and the > x86_64 implementation, but I forgot to merge the two recipient lists. > :-( > > Anyway, in the long term I would like to work on gradual decomposition > of the kernel into a core part and many self-contained components. > Sandbox mode is a useful tool to enforce isolation. > > In its current form, sandbox mode is too limited for that, but I'm > trying to find some balance between "publish early" and reaching a > feature level where some concrete examples can be shown. I'd rather > fail fast than maintain hundreds of patches in an out-of-tree branch > before submitting (and failing anyway). > > Petr T >
What you're proposing sounds a gigantic thing, which could potentially impact all subsystems. Unless you prove it has big advantages with real world usages, I guess nobody even wants to look into the patches.
BTW, this seems another attempt to get the idea of micro-kernel into Linux.
-- Thanks! Xin
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