Patch "sparc64: Convert U3copy_{from,to}_user to accurate exception reporting." has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

sparc64: Convert U3copy_{from,to}_user to accurate exception reporting.

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
sparc64-convert-u3copy_-from-to-_user-to-accurate-exception-reporting.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: "David S. Miller" <[email protected]>
Date: Mon, 24 Oct 2016 21:20:35 -0700
Subject: sparc64: Convert U3copy_{from,to}_user to accurate exception reporting.

From: "David S. Miller" <[email protected]>

[ Upstream commit ee841d0aff649164080e445e84885015958d8ff4 ]

Report the exact number of bytes which have not been successfully copied when an exception occurs, using the running remaining length.

---
 arch/sparc/lib/U3copy_from_user.S |    8 -
 arch/sparc/lib/U3copy_to_user.S   |    8 -
 arch/sparc/lib/U3memcpy.S         |  227 +++++++++++++++++++++++++-------------
 3 files changed, 162 insertions(+), 81 deletions(-)

@@ -3,19 +3,19 @@
  * Copyright (C) 1999, 2000, 2004 David S. Miller ([email protected])
  */
 
-#define EX_LD(x)		\
+#define EX_LD(x,y)		\
 98:	x;			\
 	.section __ex_table,"a";\
 	.align 4;		\
-	.word 98b, __retl_mone;	\
+	.word 98b, y;		\
 	.text;			\
 	.align 4;
 
-#define EX_LD_FP(x)		\
+#define EX_LD_FP(x,y)		\
 98:	x;			\
 	.section __ex_table,"a";\
 	.align 4;		\
-	.word 98b, __retl_mone_fp;\
+	.word 98b, y##_fp;	\
 	.text;			\
 	.align 4;
 

@@ -3,19 +3,19 @@
  * Copyright (C) 1999, 2000, 2004 David S. Miller ([email protected])
  */
 
-#define EX_ST(x)		\
+#define EX_ST(x,y)		\
 98:	x;			\
 	.section __ex_table,"a";\
 	.align 4;		\
-	.word 98b, __retl_mone;	\
+	.word 98b, y;		\
 	.text;			\
 	.align 4;
 
-#define EX_ST_FP(x)		\
+#define EX_ST_FP(x,y)		\
 98:	x;			\
 	.section __ex_table,"a";\
 	.align 4;		\
-	.word 98b, __retl_mone_fp;\
+	.word 98b, y##_fp;	\
 	.text;			\
 	.align 4;
 

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/sparc64-delete-now-unused-user-copy-fixup-functions.patch queue-4.4/net-__skb_flow_dissect-must-cap-its-return-value.patch queue-4.4/tcp-take-care-of-truncations-done-by-sk_filter.patch queue-4.4/net-clear-sk_err_soft-in-sk_clone_lock.patch queue-4.4/sparc64-convert-copy_in_user-to-accurate-exception-reporting.patch queue-4.4/sparc64-handle-extremely-large-kernel-tlb-range-flushes-more-gracefully.patch queue-4.4/sparc-handle-negative-offsets-in-arch_jump_label_transform.patch queue-4.4/sparc64-delete-__ret_efault.patch queue-4.4/dctcp-avoid-bogus-doubling-of-cwnd-after-loss.patch queue-4.4/sparc64-delete-now-unused-user-copy-assembler-helpers.patch queue-4.4/net-mangle-zero-checksum-in-skb_checksum_help.patch queue-4.4/sparc64-mm-fix-base-tsb-sizing-when-hugetlb-pages-are-used.patch queue-4.4/ip6_tunnel-clear-ip6cb-in-ip6tunnel_xmit.patch queue-4.4/sctp-assign-assoc_id-earlier-in-__sctp_connect.patch queue-4.4/sparc64-convert-ng4copy_-from-to-_user-to-accurate-exception-reporting.patch queue-4.4/ipv6-dccp-fix-out-of-bound-access-in-dccp_v6_err.patch queue-4.4/sparc64-convert-u3copy_-from-to-_user-to-accurate-exception-reporting.patch queue-4.4/sparc64-convert-ng2copy_-from-to-_user-to-accurate-exception-reporting.patch queue-4.4/sparc64-fix-illegal-relative-branches-in-hypervisor-patched-tlb-code.patch queue-4.4/sparc64-convert-gencopy_-from-to-_user-to-accurate-exception-reporting.patch queue-4.4/sparc64-convert-u1copy_-from-to-_user-to-accurate-exception-reporting.patch queue-4.4/sparc-don-t-leak-context-bits-into-thread-fault_address.patch queue-4.4/sparc64-prepare-to-move-to-more-saner-user-copy-exception-handling.patch queue-4.4/bgmac-stop-clearing-dma-receive-control-register-right-after-it-is-set.patch queue-4.4/ipv6-dccp-add-missing-bind_conflict-to-dccp_ipv6_mapped.patch queue-4.4/tcp-fix-potential-memory-corruption.patch queue-4.4/sparc64-convert-ngcopy_-from-to-_user-to-accurate-exception-reporting.patch queue-4.4/fib_trie-correct-proc-net-route-off-by-one-error.patch queue-4.4/sparc64-fix-illegal-relative-branches-in-hypervisor-patched-tlb-cross-call-code.patch queue-4.4/sparc64-handle-extremely-large-kernel-tsb-range-flushes-sanely.patch queue-4.4/sparc64-fix-instruction-count-in-comment-for-__hypervisor_flush_tlb_pending.patch queue-4.4/sparc-serial-sunhv-fix-a-double-lock-bug.patch queue-4.4/dccp-do-not-send-reset-to-already-closed-sockets.patch queue-4.4/ipv4-use-new_gw-for-redirect-neigh-lookup.patch queue-4.4/dccp-fix-out-of-bound-access-in-dccp_v4_err.patch queue-4.4/sock-fix-sendmmsg-for-partial-sendmsg.patch