From: Richard Cochran <[email protected]>
Pick the cleanup to the comment in posix-timers.c from Richards all in
one conversion patch.
Originally-from: Richard Cochran <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: John Stultz <[email protected]>
---
kernel/posix-timers.c | 25 +++++++------------------
1 file changed, 7 insertions(+), 18 deletions(-)
Index: linux-2.6-tip/kernel/posix-timers.c
===================================================================
--- linux-2.6-tip.orig/kernel/posix-timers.c
+++ linux-2.6-tip/kernel/posix-timers.c
@@ -102,11 +102,7 @@ static DEFINE_SPINLOCK(idr_lock);
/*
* CLOCKs: The POSIX standard calls for a couple of clocks and allows us
* to implement others. This structure defines the various
- * clocks and allows the possibility of adding others. We
- * provide an interface to add clocks to the table and expect
- * the "arch" code to add at least one clock that is high
- * resolution. Here we define the standard CLOCK_REALTIME as a
- * 1/HZ resolution clock.
+ * clocks.
*
* RESOLUTION: Clock resolution is used to round up timer and interval
* times, NOT to report clock times, which are reported with as
@@ -116,20 +112,13 @@ static DEFINE_SPINLOCK(idr_lock);
* necessary code is written. The standard says we should say
* something about this issue in the documentation...
*
- * FUNCTIONS: The CLOCKs structure defines possible functions to handle
- * various clock functions. For clocks that use the standard
- * system timer code these entries should be NULL. This will
- * allow dispatch without the overhead of indirect function
- * calls. CLOCKS that depend on other sources (e.g. WWV or GPS)
- * must supply functions here, even if the function just returns
- * ENOSYS. The standard POSIX timer management code assumes the
- * following: 1.) The k_itimer struct (sched.h) is used for the
- * timer. 2.) The list, it_lock, it_clock, it_id and it_pid
- * fields are not modified by timer code.
+ * FUNCTIONS: The CLOCKs structure defines possible functions to
+ * handle various clock functions.
*
- * At this time all functions EXCEPT clock_nanosleep can be
- * redirected by the CLOCKS structure. Clock_nanosleep is in
- * there, but the code ignores it.
+ * The standard POSIX timer management code assumes the
+ * following: 1.) The k_itimer struct (sched.h) is used for
+ * the timer. 2.) The list, it_lock, it_clock, it_id and
+ * it_pid fields are not modified by timer code.
*
* Permissions: It is assumed that the clock_settime() function defined
* for each clock will take care of permission checks. Some
On Tue, 2011-02-01 at 13:52 +0000, Thomas Gleixner wrote:
> plain text document attachment (posix-timer-update-comment.patch)
> From: Richard Cochran <[email protected]>
>
> Pick the cleanup to the comment in posix-timers.c from Richards all in
> one conversion patch.
>
> Originally-from: Richard Cochran <[email protected]>
> Signed-off-by: Thomas Gleixner <[email protected]>
> Cc: John Stultz <[email protected]>
Acked-by: John Stultz <[email protected]>
Commit-ID: 0061748dd2400d0bcd4d49d258db5d7b5d106ca0
Gitweb: http://git.kernel.org/tip/0061748dd2400d0bcd4d49d258db5d7b5d106ca0
Author: Richard Cochran <[email protected]>
AuthorDate: Tue, 1 Feb 2011 13:52:15 +0000
Committer: Thomas Gleixner <[email protected]>
CommitDate: Wed, 2 Feb 2011 15:28:18 +0100
posix-timer: Update comment
Pick the cleanup to the comment in posix-timers.c from Richards all in
one conversion patch.
Originally-from: Richard Cochran <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Acked-by: John Stultz <[email protected]>
LKML-Reference: <[email protected]>
---
kernel/posix-timers.c | 25 +++++++------------------
1 files changed, 7 insertions(+), 18 deletions(-)
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index ad154df..a3fdfd4 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -102,11 +102,7 @@ static DEFINE_SPINLOCK(idr_lock);
/*
* CLOCKs: The POSIX standard calls for a couple of clocks and allows us
* to implement others. This structure defines the various
- * clocks and allows the possibility of adding others. We
- * provide an interface to add clocks to the table and expect
- * the "arch" code to add at least one clock that is high
- * resolution. Here we define the standard CLOCK_REALTIME as a
- * 1/HZ resolution clock.
+ * clocks.
*
* RESOLUTION: Clock resolution is used to round up timer and interval
* times, NOT to report clock times, which are reported with as
@@ -116,20 +112,13 @@ static DEFINE_SPINLOCK(idr_lock);
* necessary code is written. The standard says we should say
* something about this issue in the documentation...
*
- * FUNCTIONS: The CLOCKs structure defines possible functions to handle
- * various clock functions. For clocks that use the standard
- * system timer code these entries should be NULL. This will
- * allow dispatch without the overhead of indirect function
- * calls. CLOCKS that depend on other sources (e.g. WWV or GPS)
- * must supply functions here, even if the function just returns
- * ENOSYS. The standard POSIX timer management code assumes the
- * following: 1.) The k_itimer struct (sched.h) is used for the
- * timer. 2.) The list, it_lock, it_clock, it_id and it_pid
- * fields are not modified by timer code.
+ * FUNCTIONS: The CLOCKs structure defines possible functions to
+ * handle various clock functions.
*
- * At this time all functions EXCEPT clock_nanosleep can be
- * redirected by the CLOCKS structure. Clock_nanosleep is in
- * there, but the code ignores it.
+ * The standard POSIX timer management code assumes the
+ * following: 1.) The k_itimer struct (sched.h) is used for
+ * the timer. 2.) The list, it_lock, it_clock, it_id and
+ * it_pid fields are not modified by timer code.
*
* Permissions: It is assumed that the clock_settime() function defined
* for each clock will take care of permission checks. Some