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authorJeff Garzik <jeff@garzik.org>2012-07-25 15:58:48 -0400
committerJeff Garzik <jgarzik@redhat.com>2012-07-25 15:58:48 -0400
commit8407884dd9164ec18ed2afc00f56b87e36c51fcf (patch)
treeb6ea42c231d7d39f454de28a068d78ce11709770 /drivers/xen/platform-pci.c
parentdc7f71f486f4f5fa96f6dcf86833da020cde8a11 (diff)
parentbdc0077af574800d24318b6945cf2344e8dbb050 (diff)
Merge branch 'master' [vanilla Linus master] into libata-dev.git/upstream
Two bits were appended to the end of the bitfield list in struct scsi_device. Resolve that conflict by including both bits. Conflicts: include/scsi/scsi_device.h
Diffstat (limited to 'drivers/xen/platform-pci.c')
-rw-r--r--drivers/xen/platform-pci.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/xen/platform-pci.c b/drivers/xen/platform-pci.c
index 2389e581e23c..d4c50d63acbc 100644
--- a/drivers/xen/platform-pci.c
+++ b/drivers/xen/platform-pci.c
@@ -101,6 +101,19 @@ static int platform_pci_resume(struct pci_dev *pdev)
return 0;
}
+static void __devinit prepare_shared_info(void)
+{
+#ifdef CONFIG_KEXEC
+ unsigned long addr;
+ struct shared_info *hvm_shared_info;
+
+ addr = alloc_xen_mmio(PAGE_SIZE);
+ hvm_shared_info = ioremap(addr, PAGE_SIZE);
+ memset(hvm_shared_info, 0, PAGE_SIZE);
+ xen_hvm_prepare_kexec(hvm_shared_info, addr >> PAGE_SHIFT);
+#endif
+}
+
static int __devinit platform_pci_init(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
@@ -109,6 +122,9 @@ static int __devinit platform_pci_init(struct pci_dev *pdev,
long mmio_addr, mmio_len;
unsigned int max_nr_gframes;
+ if (!xen_domain())
+ return -ENODEV;
+
i = pci_enable_device(pdev);
if (i)
return i;
@@ -135,6 +151,8 @@ static int __devinit platform_pci_init(struct pci_dev *pdev,
platform_mmio = mmio_addr;
platform_mmiolen = mmio_len;
+ prepare_shared_info();
+
if (!xen_have_vector_callback) {
ret = xen_allocate_irq(pdev);
if (ret) {