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hyperv-next for 5.18

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Merge tag 'hyperv-next-signed-20220322' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:
 "Minor patches from various people"

* tag 'hyperv-next-signed-20220322' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  x86/hyperv: Output host build info as normal Windows version number
  hv_balloon: rate-limit "Unhandled message" warning
  drivers: hv: log when enabling crash_kexec_post_notifiers
  hv_utils: Add comment about max VMbus packet size in VSS driver
  Drivers: hv: Compare cpumasks and not their weights in init_vp_index()
  Drivers: hv: Rename 'alloced' to 'allocated'
  Drivers: hv: vmbus: Use struct_size() helper in kmalloc()
This commit is contained in:
Linus Torvalds 2022-03-24 12:30:37 -07:00
commit 66711cfea6
8 changed files with 42 additions and 27 deletions
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11
include/uapi/linux/hyperv.h
View file

@ -90,6 +90,17 @@ struct hv_vss_check_dm_info {
__u32 flags;
} __attribute__((packed));
/*
* struct hv_vss_msg encodes the fields that the Linux VSS
* driver accesses. However, FREEZE messages from Hyper-V contain
* additional LUN information that Linux doesn't use and are not
* represented in struct hv_vss_msg. A received FREEZE message may
* be as large as 6,260 bytes, so the driver must allocate at least
* that much space, not sizeof(struct hv_vss_msg). Other messages
* such as AUTO_RECOVER may be as large as 12,500 bytes. However,
* because the Linux VSS driver responds that it doesn't support
* auto-recovery, it should not receive such messages.
*/
struct hv_vss_msg {
union {
struct hv_vss_hdr vss_hdr;