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Re: [PATCH 06/10] coroutine: add libucontext as external library

From: BALATON Zoltan
Subject: Re: [PATCH 06/10] coroutine: add libucontext as external library
Date: Tue, 13 Oct 2020 16:49:26 +0200 (CEST)

On Tue, 13 Oct 2020, Stefan Hajnoczi wrote:
On Mon, Oct 12, 2020 at 04:29:35PM -0700, Joelle van Dyne wrote:
From: osy <osy86@users.noreply.github.com>

iOS does not support ucontext natively for aarch64 and the sigaltstack is
also unsupported (even worse, it fails silently, see:
https://openradar.appspot.com/13002712 )

As a workaround we include a library implementation of ucontext and add it
as a build option.

Signed-off-by: Joelle van Dyne <j@getutm.app>

Thanks for sending posting this!

Please indicate what license libucontext is under, that it is compatible
with QEMU's overall GPL v2 license, and update QEMU license


Maybe the submodule repo should be mirrored in qemu.git eventually.

documentation (LICENSE, etc), if necessary.

Please update .gitlab-ci.yml with build tests. Is there a way to test
building QEMU for iOS? If not, then it's difficult for the upstream QEMU
project to carry iOS-specific features since we cannot test them.

Build testing should be possible on OS X host that I think we already have provided it has the right XCode version installed. (Running it is difficult due to app deployment requirements of iOS devices.) But I don't know much about these, just trying to point at some possible directions to solve this.


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