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pvpanic: initialization cleanup

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Avoid use of static variables: PC systems
initialize pvpanic device through pvpanic_init,
so we can simply create the fw_cfg file at that point.
This also makes it possible to skip device
creation completely if fw_cfg is not there, e.g. for xen -
so the ports it reserves are not discoverable by guests.

Also, make pvpanic_init void since callers ignore return
status anyway.

Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Paul Durrant <Paul.Durrant@citrix.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2013-06-16 18:31:30 +03:00
parent c6d559d9cf
commit bc3e6a0d6c
2 changed files with 18 additions and 16 deletions
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2
include/hw/i386/pc.h
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@ -193,7 +193,7 @@ static inline bool isa_ne2000_init(ISABus *bus, int base, int irq, NICInfo *nd)
void pc_system_firmware_init(MemoryRegion *rom_memory);
/* pvpanic.c */
int pvpanic_init(ISABus *bus);
void pvpanic_init(ISABus *bus);
/* e820 types */
#define E820_RAM 1