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xen: fixes and features for v4-18-rc1

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Merge tag 'for-linus-4.18-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:
 "This contains some minor code cleanups (fixing return types of
  functions), some fixes for Linux running as Xen PVH guest, and adding
  of a new guest resource mapping feature for Xen tools"

* tag 'for-linus-4.18-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/PVH: Make GDT selectors PVH-specific
  xen/PVH: Set up GS segment for stack canary
  xen/store: do not store local values in xen_start_info
  xen-netfront: fix xennet_start_xmit()'s return type
  xen/privcmd: add IOCTL_PRIVCMD_MMAP_RESOURCE
  xen: Change return type to vm_fault_t
This commit is contained in:
Linus Torvalds 2018-06-08 09:24:54 -07:00
commit a94fc25b60
10 changed files with 332 additions and 36 deletions
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11
include/uapi/xen/privcmd.h
View file

@ -89,6 +89,15 @@ struct privcmd_dm_op {
const struct privcmd_dm_op_buf __user *ubufs;
};
struct privcmd_mmap_resource {
domid_t dom;
__u32 type;
__u32 id;
__u32 idx;
__u64 num;
__u64 addr;
};
/*
* @cmd: IOCTL_PRIVCMD_HYPERCALL
* @arg: &privcmd_hypercall_t
@ -114,5 +123,7 @@ struct privcmd_dm_op {
_IOC(_IOC_NONE, 'P', 5, sizeof(struct privcmd_dm_op))
#define IOCTL_PRIVCMD_RESTRICT \
_IOC(_IOC_NONE, 'P', 6, sizeof(domid_t))
#define IOCTL_PRIVCMD_MMAP_RESOURCE \
_IOC(_IOC_NONE, 'P', 7, sizeof(struct privcmd_mmap_resource))
#endif /* __LINUX_PUBLIC_PRIVCMD_H__ */