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qemu/backends
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Markus Armbruster 46517dd497 Include sysemu/sysemu.h a lot less 
In my "build everything" tree, changing sysemu/sysemu.h triggers a
recompile of some 5400 out of 6600 objects (not counting tests and
objects that don't depend on qemu/osdep.h).

hw/qdev-core.h includes sysemu/sysemu.h since recent commit e965ffa70a
"qdev: add qdev_add_vm_change_state_handler()".  This is a bad idea:
hw/qdev-core.h is widely included.

Move the declaration of qdev_add_vm_change_state_handler() to
sysemu/sysemu.h, and drop the problematic include from hw/qdev-core.h.

Touching sysemu/sysemu.h now recompiles some 1800 objects.
qemu/uuid.h also drops from 5400 to 1800.  A few more headers show
smaller improvement: qemu/notify.h drops from 5600 to 5200,
qemu/timer.h from 5600 to 4500, and qapi/qapi-types-run-state.h from
5500 to 5000.

Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20190812052359.30071-28-armbru@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2019-08-16 13:31:53 +02:00
..
cryptodev-builtin.c Include hw/boards.h a bit less 2019-08-16 13:31:53 +02:00
cryptodev-vhost-user.c Include hw/boards.h a bit less 2019-08-16 13:31:53 +02:00
cryptodev-vhost.c cryptodev: add vhost support 2018-03-01 18:26:17 +02:00
cryptodev.c Include hw/boards.h a bit less 2019-08-16 13:31:53 +02:00
hostmem-file.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
hostmem-memfd.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
hostmem-ram.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
hostmem.c Include sysemu/sysemu.h a lot less 2019-08-16 13:31:53 +02:00
Makefile.objs Add vhost-user-backend 2019-05-10 12:48:35 +02:00
rng-egd.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
rng-random.c VirtIO-RNG: Update default entropy source to /dev/urandom 2019-07-03 17:23:39 +02:00
rng.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
tpm.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
vhost-user.c Include hw/qdev-properties.h less 2019-08-16 13:31:53 +02:00