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Philippe Mathieu-Daudé 8e0ef06894 accel/xen: Fix xen_enabled() behavior on target-agnostic objects 
CONFIG_XEN is generated by configure and stored in "config-target.h",
which is (obviously) only include for target-specific objects.
This is a problem for target-agnostic objects as CONFIG_XEN is never
defined and xen_enabled() is always inlined as 'false'.

Fix by following the KVM schema, defining CONFIG_XEN_IS_POSSIBLE
when we don't know to force the call of the non-inlined function,
returning the xen_allowed boolean.

Fixes: da278d58a0 ("accel: Move Xen accelerator code under accel/xen/")
Reported-by: Paul Durrant <pdurrant@amazon.com>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <20200804074930.13104-2-philmd@redhat.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2020-08-04 10:21:35 +01:00
..
authz
block block: Add support to warn on backing file change without format 2020-07-14 15:18:59 +02:00
chardev chardev: Reduce "char-mux.h" scope, rename it "chardev-internal.h" 2020-07-13 11:59:47 +04:00
crypto firmware (and crypto) patches 2020-07-09 20:01:43 +01:00
disas target/avr: Register AVR support with the rest of QEMU 2020-07-11 11:02:05 +02:00
exec virtio,acpi: features, fixes, cleanups. 2020-07-07 17:37:44 +01:00
fpu target/i386: floatx80: avoid compound literals in static initializers 2020-07-27 09:40:16 +01:00
hw hw/intc/armv7m_nvic: Provide default "reset the system" behaviour for SYSRESETREQ 2020-08-03 17:55:03 +01:00
io
libdecnumber
migration migration/colo: Use ram_block_discard_disable() 2020-07-02 05:54:59 -04:00
monitor
net hw/net: Added plen fix for IPv6 2020-07-21 21:30:39 +08:00
qapi qapi/error: Check format string argument in error_*prepend() 2020-07-24 15:03:09 +02:00
qemu linux-user: don't use MAP_FIXED in pgd_find_hole_fallback 2020-07-27 09:41:18 +01:00
qom qom: Document object_get_canonical_path() returns malloced string 2020-07-21 16:23:43 +02:00
scsi
standard-headers
sysemu accel/xen: Fix xen_enabled() behavior on target-agnostic objects 2020-08-04 10:21:35 +01:00
tcg
ui Remove the CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE switch 2020-07-13 11:40:52 +02:00
user
elf.h hw/avr: Add support for loading ELF/raw binaries 2020-07-11 11:02:05 +02:00
glib-compat.h
qemu-common.h qemu-common: Document qemu_find_file() 2020-07-21 16:13:04 +02:00
qemu-io.h
trace-tcg.h