UBUNTU: Ubuntu-4.4.0-6.21

Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

debian.master/changelog

-linux (4.4.0-6.21) UNRELEASED; urgency=low
+linux (4.4.0-6.21) xenial; urgency=low
 
-  CHANGELOG: Do not edit directly. Autogenerated at release.
-  CHANGELOG: Use the printchanges target to see the curent changes.
-  CHANGELOG: Use the insertchanges target to create the final log.
+  [ Tim Gardner ]
+
+  * Release Tracking Bug
+    - LP: #1546283
+
+  *  Naples/Zen, NTB Driver  (LP: #1542071)
+    - [Config] CONFIG_NTB_AMD=m
+    - NTB: Add support for AMD PCI-Express Non-Transparent Bridge
+
+  * [Hyper-V] kernel panic occurs when installing Ubuntu Server x32 (LP: #1495983)
+    - SAUCE: storvsc: use small sg_tablesize on x86
+
+  * Enable arm64 emulation of removed ARMv7 instructions (LP: #1545542)
+    - [Config] CONFIG_ARMV8_DEPRECATED=y
+
+  * Surelock-GA2:kernel panic/ exception @ pcibios_set_pcie_reset_state+0x118/0x280 + cxl_reset+0x5c/0xc0 (LP: #1545037)
+    - powerpc/eeh: Fix stale cached primary bus
+
+  * Miscellaneous Ubuntu changes
+    - SAUCE: fs: Add user namesapace member to struct super_block
+    - SAUCE: fs: Limit file caps to the user namespace of the super block
+    - SAUCE: Smack: Add support for unprivileged mounts from user namespaces
+    - SAUCE: block_dev: Support checking inode permissions in lookup_bdev()
+    - SAUCE: block_dev: Check permissions towards block device inode when mounting
+    - SAUCE: fs: Treat foreign mounts as nosuid
+    - SAUCE: selinux: Add support for unprivileged mounts from user namespaces
+    - SAUCE: userns: Replace in_userns with current_in_userns
+    - SAUCE: Smack: Handle labels consistently in untrusted mounts
+    - SAUCE: fs: Check for invalid i_uid in may_follow_link()
+    - SAUCE: cred: Reject inodes with invalid ids in set_create_file_as()
+    - SAUCE: fs: Refuse uid/gid changes which don't map into s_user_ns
+    - SAUCE: fs: Update posix_acl support to handle user namespace mounts
+    - SAUCE: fs: Ensure the mounter of a filesystem is privileged towards its inodes
+    - SAUCE: fs: Don't remove suid for CAP_FSETID in s_user_ns
+    - SAUCE: fs: Allow superblock owner to access do_remount_sb()
+    - SAUCE: capabilities: Allow privileged user in s_user_ns to set security.* xattrs
+    - SAUCE: fuse: Add support for pid namespaces
+    - SAUCE: fuse: Support fuse filesystems outside of init_user_ns
+    - SAUCE: fuse: Restrict allow_other to the superblock's namespace or a descendant
+    - SAUCE: fuse: Allow user namespace mounts
+    - SAUCE: mtd: Check permissions towards mtd block device inode when mounting
+    - SAUCE: fs: Update i_[ug]id_(read|write) to translate relative to s_user_ns
+    - SAUCE: quota: Convert ids relative to s_user_ns
+    - SAUCE: evm: Translate user/group ids relative to s_user_ns when computing HMAC
+    - SAUCE: fs: Allow CAP_SYS_ADMIN in s_user_ns to freeze and thaw filesystems
+    - SAUCE: quota: Treat superblock owner as privilged
+    - SAUCE: ima/evm: Allow root in s_user_ns to set xattrs
+    - SAUCE: block_dev: Forbid unprivileged mounting when device is opened for writing
+    - SAUCE: ext4: Add support for unprivileged mounts from user namespaces
+    - SAUCE: ext4: Add module parameter to enable user namespace mounts
+    - SAUCE: fuse: Add module parameter to enable user namespace mounts
+
+  * Miscellaneous upstream changes
+    - megaraid: Fix possible NULL pointer deference in mraid_mm_ioctl
+    - libahci: Implement the capability to override the generic ahci interrupt handler.
+    - ata: Remove the AHCI_HFLAG_EDGE_IRQ support from libahci.
+    - ahci_xgene: Implement the workaround to fix the missing of the edge interrupt for the HOST_IRQ_STAT.
 
  -- Tim Gardner <tim.gardner@canonical.com>  Fri, 12 Feb 2016 09:49:05 -0700