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| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2010-07-29 15:37:48 +0200 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-07-29 20:11:33 +0200 |
| commit | ca65f9fc0c447da5b270b05c41c21b19c88617c3 (patch) | |
| tree | 7a8813233d867635d01cc2c8397099df4468751d /drivers/xen/events.c | |
| parent | blkfront: do not create a PV cdrom device if xen_hvm_guest (diff) | |
| download | linux-ca65f9fc0c447da5b270b05c41c21b19c88617c3.tar.xz linux-ca65f9fc0c447da5b270b05c41c21b19c88617c3.zip | |
Introduce CONFIG_XEN_PVHVM compile option
This patch introduce a CONFIG_XEN_PVHVM compile time option to
enable/disable Xen PV on HVM support.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'drivers/xen/events.c')
| -rw-r--r-- | drivers/xen/events.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index b5a254e9aebe..5e1f34892dcc 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -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) { |