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Introduce CONFIG_XEN_PVHVM compile option

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This patch introduce a CONFIG_XEN_PVHVM compile time option to
enable/disable Xen PV on HVM support.

Signed-off-by: Stefano Stabellini <[email protected]>
This commit is contained in:
Stefano Stabellini 2010-07-29 14:37:48 +01:00 • committed by Jeremy Fitzhardinge
commit ca65f9fc0c
8 changed files with 19 additions and 3 deletions
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2
drivers/xen/Kconfig
View file

@ -64,7 +64,7 @@ config XEN_SYS_HYPERVISOR
config XEN_PLATFORM_PCI
tristate "xen platform pci device driver"
depends on XEN
depends on XEN_PVHVM
default m
help
Driver for the Xen PCI Platform device: it is responsible for

4
drivers/xen/events.c
View file

@ -973,6 +973,7 @@ int xen_set_callback_via(uint64_t via)
}
EXPORT_SYMBOL_GPL(xen_set_callback_via);
#ifdef CONFIG_XEN_PVHVM
/* Vector callbacks are better than PCI interrupts to receive event
* channel notifications because we can receive vector callbacks on any
* vcpu and we don't need PCI support or APIC interactions. */
@ -996,6 +997,9 @@ void xen_callback_vector(void)
alloc_intr_gate(XEN_HVM_EVTCHN_CALLBACK, xen_hvm_callback_vector);
}
}
#else
void xen_callback_vector(void) {}
#endif
void __init xen_init_IRQ(void)
{