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That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Paolo Bonzini , Thomas Huth , Jason Andryuk Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Move and rename accel/qtest/qtest-cpu.* files to accel/dummy/ so they can be re-used by Xen. Signed-off-by: Jason Andryuk Acked-by: Claudio Fontana --- .../qtest-cpus.c =3D> dummy/dummy-cpus.c} | 22 +++++-------------- .../qtest-cpus.h =3D> dummy/dummy-cpus.h} | 10 ++++----- accel/dummy/meson.build | 6 +++++ accel/meson.build | 1 + accel/qtest/meson.build | 1 - accel/qtest/qtest.c | 7 +++++- 6 files changed, 23 insertions(+), 24 deletions(-) rename accel/{qtest/qtest-cpus.c =3D> dummy/dummy-cpus.c} (76%) rename accel/{qtest/qtest-cpus.h =3D> dummy/dummy-cpus.h} (59%) create mode 100644 accel/dummy/meson.build diff --git a/accel/qtest/qtest-cpus.c b/accel/dummy/dummy-cpus.c similarity index 76% rename from accel/qtest/qtest-cpus.c rename to accel/dummy/dummy-cpus.c index 7c5399ed9d..efade99f03 100644 --- a/accel/qtest/qtest-cpus.c +++ b/accel/dummy/dummy-cpus.c @@ -1,5 +1,5 @@ /* - * QTest accelerator code + * Dummy cpu thread code * * Copyright IBM, Corp. 2011 * @@ -13,21 +13,14 @@ =20 #include "qemu/osdep.h" #include "qemu/rcu.h" -#include "qapi/error.h" -#include "qemu/module.h" -#include "qemu/option.h" -#include "qemu/config-file.h" -#include "sysemu/accel.h" -#include "sysemu/qtest.h" #include "sysemu/cpus.h" -#include "sysemu/cpu-timers.h" #include "qemu/guest-random.h" #include "qemu/main-loop.h" #include "hw/core/cpu.h" =20 -#include "qtest-cpus.h" +#include "dummy-cpus.h" =20 -static void *qtest_cpu_thread_fn(void *arg) +static void *dummy_cpu_thread_fn(void *arg) { #ifdef _WIN32 error_report("qtest is not supported under Windows"); @@ -72,7 +65,7 @@ static void *qtest_cpu_thread_fn(void *arg) #endif } =20 -static void qtest_start_vcpu_thread(CPUState *cpu) +void dummy_start_vcpu_thread(CPUState *cpu) { char thread_name[VCPU_THREAD_NAME_SIZE]; =20 @@ -81,11 +74,6 @@ static void qtest_start_vcpu_thread(CPUState *cpu) qemu_cond_init(cpu->halt_cond); snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/DUMMY", cpu->cpu_index); - qemu_thread_create(cpu->thread, thread_name, qtest_cpu_thread_fn, cpu, + qemu_thread_create(cpu->thread, thread_name, dummy_cpu_thread_fn, cpu, QEMU_THREAD_JOINABLE); } - -const CpusAccel qtest_cpus =3D { - .create_vcpu_thread =3D qtest_start_vcpu_thread, - .get_virtual_clock =3D qtest_get_virtual_clock, -}; diff --git a/accel/qtest/qtest-cpus.h b/accel/dummy/dummy-cpus.h similarity index 59% rename from accel/qtest/qtest-cpus.h rename to accel/dummy/dummy-cpus.h index 739519a472..a7a0469b17 100644 --- a/accel/qtest/qtest-cpus.h +++ b/accel/dummy/dummy-cpus.h @@ -7,11 +7,11 @@ * See the COPYING file in the top-level directory. */ =20 -#ifndef QTEST_CPUS_H -#define QTEST_CPUS_H +#ifndef DUMMY_CPUS_H +#define DUMMY_CPUS_H =20 -#include "sysemu/cpus.h" +#include "qemu/typedefs.h" =20 -extern const CpusAccel qtest_cpus; +void dummy_start_vcpu_thread(CPUState *); =20 -#endif /* QTEST_CPUS_H */ +#endif /* DUMMY_CPUS_H */ diff --git a/accel/dummy/meson.build b/accel/dummy/meson.build new file mode 100644 index 0000000000..5fbe27de90 --- /dev/null +++ b/accel/dummy/meson.build @@ -0,0 +1,6 @@ +dummy_ss =3D ss.source_set() +dummy_ss.add(files( + 'dummy-cpus.c', +)) + +specific_ss.add_all(when: ['CONFIG_SOFTMMU', 'CONFIG_POSIX'], if_true: dum= my_ss) diff --git a/accel/meson.build b/accel/meson.build index bb00d0fd13..d45a33fb8e 100644 --- a/accel/meson.build +++ b/accel/meson.build @@ -1,5 +1,6 @@ softmmu_ss.add(files('accel.c')) =20 +subdir('dummy') subdir('qtest') subdir('kvm') subdir('tcg') diff --git a/accel/qtest/meson.build b/accel/qtest/meson.build index e477cb2ae2..a2f3276459 100644 --- a/accel/qtest/meson.build +++ b/accel/qtest/meson.build @@ -1,7 +1,6 @@ qtest_ss =3D ss.source_set() qtest_ss.add(files( 'qtest.c', - 'qtest-cpus.c', )) =20 specific_ss.add_all(when: ['CONFIG_SOFTMMU', 'CONFIG_POSIX'], if_true: qte= st_ss) diff --git a/accel/qtest/qtest.c b/accel/qtest/qtest.c index 537e8b449c..ac54bc8f52 100644 --- a/accel/qtest/qtest.c +++ b/accel/qtest/qtest.c @@ -25,7 +25,12 @@ #include "qemu/main-loop.h" #include "hw/core/cpu.h" =20 -#include "qtest-cpus.h" +#include "accel/dummy/dummy-cpus.h" + +const CpusAccel qtest_cpus =3D { + .create_vcpu_thread =3D dummy_start_vcpu_thread, + .get_virtual_clock =3D qtest_get_virtual_clock, +}; 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Mon, 12 Oct 2020 13:07:59 -0700 (PDT) From: Jason Andryuk To: qemu-devel@nongnu.org Cc: Jason Andryuk , Stefano Stabellini , Anthony Perard , Paul Durrant , xen-devel@lists.xenproject.org (open list:X86 Xen CPUs) Subject: [PATCH 2/2] accel: Add xen CpusAccel using dummy-cpu Date: Mon, 12 Oct 2020 16:07:24 -0400 Message-Id: <20201012200725.64137-3-jandryuk@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201012200725.64137-1-jandryuk@gmail.com> References: <20201012200725.64137-1-jandryuk@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) Content-Type: text/plain; charset="utf-8" Xen was broken by commit 1583a3898853 ("cpus: extract out qtest-specific code to accel/qtest"). Xen relied on qemu_init_vcpu() calling qemu_dummy_start_vcpu() in the default case, but that was replaced by g_assert_not_reached(). Add a minimal "CpusAccel" for xen using the dummy-cpu implementation used by qtest. Signed-off-by: Jason Andryuk Acked-by: Claudio Fontana --- accel/dummy/meson.build | 1 + accel/xen/xen-all.c | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/accel/dummy/meson.build b/accel/dummy/meson.build index 5fbe27de90..cdff0ba746 100644 --- a/accel/dummy/meson.build +++ b/accel/dummy/meson.build @@ -4,3 +4,4 @@ dummy_ss.add(files( )) =20 specific_ss.add_all(when: ['CONFIG_SOFTMMU', 'CONFIG_POSIX'], if_true: dum= my_ss) +specific_ss.add_all(when: ['CONFIG_XEN'], if_true: dummy_ss) diff --git a/accel/xen/xen-all.c b/accel/xen/xen-all.c index 60b971d0a8..2d243c58d4 100644 --- a/accel/xen/xen-all.c +++ b/accel/xen/xen-all.c @@ -16,12 +16,15 @@ #include "hw/xen/xen_pt.h" #include "chardev/char.h" #include "sysemu/accel.h" +#include "sysemu/cpus.h" #include "sysemu/xen.h" #include "sysemu/runstate.h" #include "migration/misc.h" #include "migration/global_state.h" #include "hw/boards.h" =20 +#include "accel/dummy/dummy-cpus.h" + //#define DEBUG_XEN =20 #ifdef DEBUG_XEN @@ -153,6 +156,10 @@ static void xen_setup_post(MachineState *ms, AccelStat= e *accel) } } =20 +const CpusAccel xen_cpus =3D { + .create_vcpu_thread =3D dummy_start_vcpu_thread, +}; + static int xen_init(MachineState *ms) { MachineClass *mc =3D MACHINE_GET_CLASS(ms); @@ -180,6 +187,9 @@ static int xen_init(MachineState *ms) * opt out of system RAM being allocated by generic code */ mc->default_ram_id =3D NULL; + + cpus_register_accel(&xen_cpus); + return 0; } =20 --=20 2.25.1