Patch "ARC: bitops: Remove non relevant comments" 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

ARC: bitops: Remove non relevant comments

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:
arc-bitops-remove-non-relevant-comments.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: Vineet Gupta <[email protected]>
Date: Tue, 8 Mar 2016 19:31:24 +0530
Subject: ARC: bitops: Remove non relevant comments

From: Vineet Gupta <[email protected]>

commit 2a41b6dc28dc71c1a3f1622612a26edc58f7561e upstream.

commit 80f420842ff42 removed the ARC bitops microoptimization but failed to prune the comments to same effect

---
 arch/arc/include/asm/bitops.h |   15 ---------------
 1 file changed, 15 deletions(-)

@@ -35,21 +35,6 @@ static inline void op##_bit(unsigned lon
 									\
 	m += nr >> 5;							\
 									\
-	/*								\
-	 * ARC ISA micro-optimization:					\
-	 *								\
-	 * Instructions dealing with bitpos only consider lower 5 bits	\
-	 * e.g (x << 33) is handled like (x << 1) by ASL instruction	\
-	 *  (mem pointer still needs adjustment to point to next word)	\
-	 *								\
-	 * Hence the masking to clamp @nr arg can be elided in general.	\
-	 *								\
-	 * However if @nr is a constant (above assumed in a register),	\
-	 * and greater than 31, gcc can optimize away (x << 33) to 0,	\
-	 * as overflow, given the 32-bit ISA. Thus masking needs to be	\
-	 * done for const @nr, but no code is generated due to gcc	\
-	 * const prop.							\
-	 */								\
 	nr &= 0x1f;							\
 									\
 	__asm__ __volatile__(						\

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

queue-4.4/arc-readl-writel-to-work-in-big-endian-cpu-configuration.patch queue-4.4/arc-bitops-remove-non-relevant-comments.patch