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SubjectRe: [PATCH 1/2] fork: add clone6
On Mon, May 27, 2019 at 12:27:08PM -0700, Linus Torvalds wrote:
> On Mon, May 27, 2019 at 3:42 AM Christian Brauner <christian@brauner.io> wrote:
> >
> > Hm, still pondering whether having one unsigned int argument passed
> > through registers that captures all the flags from the old clone() would
> > be a good idea.
>
> That sounds like a reasonable thing to do.
>
> Maybe we could continue to call the old flags CLONE_XYZ and continue
> to pass them in as "flags" argument, and then we have CLONE_EXT_XYZ
> flags for a new 64-bit flag field that comes in through memory in the
> new clone_args thing?

Hm. I think I'll try a first version without an additional register
flags argument. And here's why: I'm not sure it buys us a lot especially
if we're giving up on making this convenient for seccomp anyway.
And with that out of the way (at least for the moment) I would really
like to make this interface consistent. But we can revisit this when I
have the code.

Christian

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