All of lore.kernel.org
 help / color / mirror / Atom feed
From: tip-bot for Thomas Gleixner <tglx@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com,
	peterz@infradead.org, chris@zankel.net, lethal@linux-sh.org,
	tony.luck@intel.com, davem@davemloft.net, dhowells@redhat.com,
	benh@kernel.crashing.org, mattst88@gmail.com,
	heiko.carstens@de.ibm.com, tglx@linutronix.de
Subject: [tip:core/locking] rwsem: Remove redundant asmregparm annotation
Date: Thu, 27 Jan 2011 11:58:07 GMT	[thread overview]
Message-ID: <tip-d123375425d7df4b6081a631fc1203fceafa59b2@git.kernel.org> (raw)
In-Reply-To: <alpine.LFD.2.00.1101262130450.31804@localhost6.localdomain6>

Commit-ID:  d123375425d7df4b6081a631fc1203fceafa59b2
Gitweb:     http://git.kernel.org/tip/d123375425d7df4b6081a631fc1203fceafa59b2
Author:     Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Wed, 26 Jan 2011 21:32:01 +0100
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Thu, 27 Jan 2011 12:30:40 +0100

rwsem: Remove redundant asmregparm annotation

Peter Zijlstra pointed out, that the only user of asmregparm (x86) is
compiling the kernel already with -mregparm=3. So the annotation of
the rwsem functions is redundant. Remove it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: David Miller <davem@davemloft.net>
Cc: Chris Zankel <chris@zankel.net>
LKML-Reference: <alpine.LFD.2.00.1101262130450.31804@localhost6.localdomain6>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/rwsem.h |    8 ++++----
 lib/rwsem.c           |   10 ++++------
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index f7c957f..a8afe9c 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -32,10 +32,10 @@ struct rw_semaphore {
 #endif
 };
 
-extern asmregparm struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem);
-extern asmregparm struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem);
-extern asmregparm struct rw_semaphore *rwsem_wake(struct rw_semaphore *);
-extern asmregparm struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem);
+extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem);
+extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem);
+extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *);
+extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem);
 
 /* Include the arch specific part */
 #include <asm/rwsem.h>
diff --git a/lib/rwsem.c b/lib/rwsem.c
index f236d7c..aa7c305 100644
--- a/lib/rwsem.c
+++ b/lib/rwsem.c
@@ -222,8 +222,7 @@ rwsem_down_failed_common(struct rw_semaphore *sem,
 /*
  * wait for the read lock to be granted
  */
-asmregparm struct rw_semaphore __sched *
-rwsem_down_read_failed(struct rw_semaphore *sem)
+struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem)
 {
 	return rwsem_down_failed_common(sem, RWSEM_WAITING_FOR_READ,
 					-RWSEM_ACTIVE_READ_BIAS);
@@ -232,8 +231,7 @@ rwsem_down_read_failed(struct rw_semaphore *sem)
 /*
  * wait for the write lock to be granted
  */
-asmregparm struct rw_semaphore __sched *
-rwsem_down_write_failed(struct rw_semaphore *sem)
+struct rw_semaphore __sched *rwsem_down_write_failed(struct rw_semaphore *sem)
 {
 	return rwsem_down_failed_common(sem, RWSEM_WAITING_FOR_WRITE,
 					-RWSEM_ACTIVE_WRITE_BIAS);
@@ -243,7 +241,7 @@ rwsem_down_write_failed(struct rw_semaphore *sem)
  * handle waking up a waiter on the semaphore
  * - up_read/up_write has decremented the active part of count if we come here
  */
-asmregparm struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem)
+struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem)
 {
 	unsigned long flags;
 
@@ -263,7 +261,7 @@ asmregparm struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem)
  * - caller incremented waiting part of count and discovered it still negative
  * - just wake up any readers at the front of the queue
  */
-asmregparm struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem)
+struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem)
 {
 	unsigned long flags;
 

  reply	other threads:[~2011-01-27 11:58 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-26 20:05 [patch 0/6] rwsem: Cleanup duplicate code all over the place Thomas Gleixner
2011-01-26 20:05 ` [patch 1/6] rwsem: Cleanup includes Thomas Gleixner
2011-01-27  4:43   ` David Miller
2011-01-27 11:55   ` [tip:core/locking] " tip-bot for Thomas Gleixner
2011-01-26 20:05 ` [patch 2/6] x86: Cleanup rwsem_count_t typedef Thomas Gleixner
2011-01-27 11:56   ` [tip:core/locking] " tip-bot for Thomas Gleixner
2011-01-26 20:05 ` [patch 3/6] rwsem: Move duplicate struct rwsem declaration to linux/rwsem.h Thomas Gleixner
2011-01-27  4:44   ` David Miller
2011-01-27 11:56   ` [tip:core/locking] " tip-bot for Thomas Gleixner
2011-01-26 20:06 ` [patch 4/6] rwsem: Move duplicate init macros and functions " Thomas Gleixner
2011-01-27  4:45   ` David Miller
2011-01-27 11:56   ` [tip:core/locking] " tip-bot for Thomas Gleixner
2011-01-26 20:06 ` [patch 5/6] rwsem: Unify the duplicate rwsem_is_locked() inlines Thomas Gleixner
2011-01-27  4:45   ` David Miller
2011-01-27 11:57   ` [tip:core/locking] " tip-bot for Thomas Gleixner
2011-01-26 20:06 ` [patch 6/6] rwsem: Move duplicate function prototypes to linux/rwsem.h Thomas Gleixner
2011-01-26 20:32   ` rwsem: rwsem: Remove redundant asmregparm annotation Thomas Gleixner
2011-01-27 11:58     ` tip-bot for Thomas Gleixner [this message]
2011-01-27 15:03     ` David Howells
2011-01-27 15:12       ` Thomas Gleixner
2011-01-27  4:45   ` [patch 6/6] rwsem: Move duplicate function prototypes to linux/rwsem.h David Miller
2011-01-27 11:57   ` [tip:core/locking] " tip-bot for Thomas Gleixner
2011-01-26 22:55 ` [patch 0/6] rwsem: Cleanup duplicate code all over the place Tony Luck
2011-01-27  6:38 ` Heiko Carstens
2011-01-27 14:54 ` David Howells

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=tip-d123375425d7df4b6081a631fc1203fceafa59b2@git.kernel.org \
    --to=tglx@linutronix.de \
    --cc=benh@kernel.crashing.org \
    --cc=chris@zankel.net \
    --cc=davem@davemloft.net \
    --cc=dhowells@redhat.com \
    --cc=heiko.carstens@de.ibm.com \
    --cc=hpa@zytor.com \
    --cc=lethal@linux-sh.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tip-commits@vger.kernel.org \
    --cc=mattst88@gmail.com \
    --cc=mingo@redhat.com \
    --cc=peterz@infradead.org \
    --cc=tony.luck@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.