From 83fd9629a39ee8a58f1f772a2ca3a7745a4c5743 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Mon, 27 Feb 2017 17:09:01 +0000 Subject: [PATCH] vl/cpus: be smarter with icount and MTTCG MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The sense of the test was inverted. Make it simple, if icount is enabled then we disabled MTTCG by default. If the user tries to force MTTCG upon us then we tell them "no". Signed-off-by: Alex Bennée Reviewed-by: Richard Henderson --- cpus.c | 7 +++---- vl.c | 7 ++----- 2 files changed, 5 insertions(+), 9 deletions(-) diff --git a/cpus.c b/cpus.c index c857ad2957..6a817fec13 100644 --- a/cpus.c +++ b/cpus.c @@ -181,10 +181,7 @@ static bool check_tcg_memory_orders_compatible(void) static bool default_mttcg_enabled(void) { - QemuOpts *icount_opts = qemu_find_opts_singleton("icount"); - const char *rr = qemu_opt_get(icount_opts, "rr"); - - if (rr || TCG_OVERSIZED_GUEST) { + if (use_icount || TCG_OVERSIZED_GUEST) { return false; } else { #ifdef TARGET_SUPPORTS_MTTCG @@ -202,6 +199,8 @@ void qemu_tcg_configure(QemuOpts *opts, Error **errp) if (strcmp(t, "multi") == 0) { if (TCG_OVERSIZED_GUEST) { error_setg(errp, "No MTTCG when guest word size > hosts"); + } else if (use_icount) { + error_setg(errp, "No MTTCG when icount is enabled"); } else { if (!check_tcg_memory_orders_compatible()) { error_report("Guest expects a stronger memory ordering " diff --git a/vl.c b/vl.c index 7f1644a2be..1a95500ac7 100644 --- a/vl.c +++ b/vl.c @@ -4055,8 +4055,6 @@ int main(int argc, char **argv, char **envp) replay_configure(icount_opts); - qemu_tcg_configure(accel_opts, &error_fatal); - machine_class = select_machine(); set_memory_options(&ram_slots, &maxram_size, machine_class); @@ -4423,14 +4421,13 @@ int main(int argc, char **argv, char **envp) if (!tcg_enabled()) { error_report("-icount is not allowed with hardware virtualization"); exit(1); - } else if (qemu_tcg_mttcg_enabled()) { - error_report("-icount does not currently work with MTTCG"); - exit(1); } configure_icount(icount_opts, &error_abort); qemu_opts_del(icount_opts); } + qemu_tcg_configure(accel_opts, &error_fatal); + if (default_net) { QemuOptsList *net = qemu_find_opts("net"); qemu_opts_set(net, NULL, "type", "nic", &error_abort);