On 11/4/25 15:42, Daniel P. Berrangé wrote:
On Sat, Feb 08, 2025 at 12:57:23PM -0800, Richard Henderson wrote:
For system mode, we can rarely support the amount of RAM that
the guest requires. TCG emulation is restricted to round-robin
mode, which solves many of the atomicity issues, but not those
associated with virtio.  In any case, round-robin does nothing
to help the speed of emulation.

For user mode, most emulation does not succeed at all.  Most
of the time we cannot even load 64-bit non-PIE binaries due
to lack of a 64-bit address space.  Threads are run in
parallel, not round-robin, which means that atomicity
is not handled.

Reviewed-by: Thomas Huth <th...@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
  meson.build | 13 ++++++++++---
  1 file changed, 10 insertions(+), 3 deletions(-)

Shouldn't  this patch and the earlier ones in this series have
added something to removed-features.rst, as this is a significant
feature removal which is impacting downstream users, and distros
in particular.

IIRC the rationale for not deprecating was the feature is largely
broken already. Skipping the deprecation process we indeed forgot
to document in removed-features.rst.

Do you expect the doc update for the 10.0 release?

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