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tcg: Remove the TCG_GUEST_DEFAULT_MO definition globally

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By directly using TCGCPUOps::guest_default_memory_order,
we don't need the TCG_GUEST_DEFAULT_MO definition anymore.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2025-03-21 19:02:35 +01:00 • committed by Richard Henderson
parent 0eca13c29a
commit 8201f1a29c
40 changed files with 66 additions and 101 deletions
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4
docs/devel/multi-thread-tcg.rst
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@ -28,8 +28,8 @@ vCPU Scheduling
We introduce a new running mode where each vCPU will run on its own
user-space thread. This is enabled by default for all FE/BE
combinations where the host memory model is able to accommodate the
guest (TCG_GUEST_DEFAULT_MO & ~TCG_TARGET_DEFAULT_MO is zero) and the
guest has had the required work done to support this safely
guest (TCGCPUOps::guest_default_memory_order & ~TCG_TARGET_DEFAULT_MO is zero)
and the guest has had the required work done to support this safely
(TARGET_SUPPORTS_MTTCG).
System emulation will fall back to the original round robin approach