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xen: add a dummy xc_hvm_inject_msi for Xen < 4.2

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xc_hvm_inject_msi is only available on Xen >= 4.2: add a dummy
compatibility function for Xen < 4.2.

Also enable msi support only on Xen >= 4.2.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
This commit is contained in:
Stefano Stabellini 2012-04-17 16:56:51 +00:00
parent 8688e0652d
commit 4c9f8d1b4e
4 changed files with 27 additions and 2 deletions
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2
xen-all.c
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@ -129,7 +129,7 @@ void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len)
void xen_hvm_inject_msi(uint64_t addr, uint32_t data)
{
xc_hvm_inject_msi(xen_xc, xen_domid, addr, data);
xen_xc_hvm_inject_msi(xen_xc, xen_domid, addr, data);
}
static void xen_suspend_notifier(Notifier *notifier, void *data)