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b5e397a79e
qemu/hw
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Juergen Gross b5e397a79e xen: add a global indicator for grant copy being available 
The Xen qdisk backend needs to test whether grant copy operations is
available in the kernel. Unfortunately this collides with using
xengnttab_set_max_grants() on some kernels as this operation has to
be the first one after opening the gnttab device.

In order to solve this problem test for the availability of grant copy
in xen_be_init() opening the gnttab device just for that purpose and
closing it again afterwards. Advertise the availability via a global
flag and use that flag in the qdisk backend.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
2017-10-26 14:23:06 -07:00
..
9pfs 9pfs: use g_malloc0 to allocate space for xattr 2017-10-16 14:21:59 +02:00
acpi * TCG 8-byte atomic accesses bugfix (Andrew) 2017-10-19 15:38:07 +01:00
adc STM32F2xx: Add the ADC device 2016-10-04 13:28:07 +01:00
alpha cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
arm hw/arm/xlnx-zynqmp: Mark the "xlnx, zynqmp" device with user_creatable = false 2017-10-06 16:46:47 +01:00
audio pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
block xen: add a global indicator for grant copy being available 2017-10-26 14:23:06 -07:00
bt bt: stop the sdp memory allocation craziness 2017-08-01 17:27:33 +02:00
char pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
core * TCG 8-byte atomic accesses bugfix (Andrew) 2017-10-19 15:38:07 +01:00
cpu cpu: don't allow negative core id 2017-08-02 18:30:13 -03:00
cris cris: replace cpu_cris_init() with cpu_generic_init() 2017-09-01 11:54:24 -03:00
display cirrus: fix oob access in mode4and5 write functions 2017-10-17 09:59:00 +02:00
dma xilinx_axidma: Convert to DEFINE_PROP_LINK 2017-09-07 13:54:51 +01:00
gpio hw/gpio/omap_gpio.c: Don't use old_mmio 2017-09-21 16:34:27 +01:00
i2c pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
i386 * TCG 8-byte atomic accesses bugfix (Andrew) 2017-10-19 15:38:07 +01:00
ide * TCG 8-byte atomic accesses bugfix (Andrew) 2017-10-19 15:38:07 +01:00
input ps2: fix scancodes sent for Ctrl+Pause key combination 2017-10-23 10:50:02 +02:00
intc openrisc/ompic: Add OpenRISC Multicore PIC (OMPIC) 2017-10-21 06:35:47 +09:00
ipack pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
ipmi qom: enforce readonly nature of link's check callback 2017-07-14 12:04:42 +02:00
isa pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
lm32 cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
m68k M68K: use g_new() family of functions 2017-10-16 13:29:49 +02:00
mem qmp: introduce query-memory-size-summary command 2017-09-14 15:52:10 +01:00
microblaze hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
mips pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
misc pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
moxie cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
net pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
nios2 nios2: replace cpu_nios2_init() with cpu_generic_init() 2017-09-01 11:54:24 -03:00
nvram fw_cfg: add write callback 2017-10-15 05:54:40 +03:00
openrisc openrisc: Only kick cpu on timeout, not on update 2017-10-21 06:37:06 +09:00
pci pci: Validate interfaces on base_class_init 2017-10-15 05:54:43 +03:00
pci-bridge hw/gen_pcie_root_port: make IO RO 0 on IO disabled 2017-10-15 05:54:43 +03:00
pci-host sun4u: update PCI topology to include simba PCI bridges 2017-10-19 07:45:35 +01:00
pcmcia hw: Clean up includes 2016-01-29 15:07:25 +00:00
ppc spapr_cpu_core: rewrite machine type sanity check 2017-10-17 10:34:01 +11:00
s390x s390x: refactor error handling for MSCH handler 2017-10-20 13:32:10 +02:00
scsi * TCG 8-byte atomic accesses bugfix (Andrew) 2017-10-19 15:38:07 +01:00
sd pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
sh4 pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
smbios stubs: move smbios stubs to hw/smbios 2017-01-16 17:52:35 +01:00
sparc cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
sparc64 sun4u: fix assert when adding NICs which aren't the in-built model 2017-10-19 07:45:35 +01:00
ssi msf2: Add Smartfusion2 SPI controller 2017-09-21 16:36:56 +01:00
timer migration: pre_save return int 2017-09-27 11:35:59 +01:00
tpm tpm: print buffers received from TPM when debugging 2017-10-25 01:05:53 -04:00
tricore cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
unicore32 cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
usb usb-ccid: remove needless migration state code 2017-10-23 10:05:28 +02:00
vfio s390x: improve error handling for SSCH and RSCH 2017-10-20 13:32:10 +02:00
virtio virtio-pci: Replace modern_as with direct access to modern_bar 2017-10-15 05:54:44 +03:00
watchdog pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
xen xen: add a global indicator for grant copy being available 2017-10-26 14:23:06 -07:00
xenpv xenfb: remove xen_init_display "temporary" hack 2017-07-07 11:10:03 -07:00
xtensa cpu: make cpu_generic_init() abort QEMU on error 2017-09-19 09:09:32 -03:00
Makefile.objs 9pfs: fix dependencies 2017-08-30 18:23:25 +02:00