jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2765738455
Sorry, clicked "close by accident" :)
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pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2020504308
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2008087983
##
include/nuttx/semaphore.h:
##
@@ -59,6 +59,54 @@
{(c), (f), SEM_WAITLIST_INITIALIZER}
#endif /* CONFIG_PRIORITY_INHERITANCE */
+/* Fast mutex lock/unlock p
pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2010217732
##
libs/libc/semaphore/sem_wait.c:
##
@@ -83,7 +83,12 @@ int sem_wait(FAR sem_t *sem)
/* Let nxsem_wait() do the real work */
- ret = nxsem_wait(sem);
+ ret = n
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2013466633
##
include/nuttx/sem_fast.h:
##
@@ -0,0 +1,184 @@
+/
+ * include/nuttx/sem_fast.h
+ *
+ * S
pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2022279398
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/
xiaoxiang781216 merged PR #16030:
URL: https://github.com/apache/nuttx/pull/16030
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jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2022165895
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/**
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2022157093
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/**
anchao commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2012139268
##
include/nuttx/sem_fast.h:
##
@@ -0,0 +1,184 @@
+/
+ * include/nuttx/sem_fast.h
+ *
+ * SPD
jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2765736803
Based on comments from @pussuw , I will still do the following changes to
this:
1) have separate functions for no cancellation point or errno in libc
without the "nx..." prefix
jlaitine closed pull request #16030: Optimize mutex atomic fast path
URL: https://github.com/apache/nuttx/pull/16030
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jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2765749632
I will still do the following chages based on comments from @pussuw :
1) Will have separate functions for non-cancellation or errno in libc
without the nx-prefix and functions in kerne
jlaitine opened a new pull request, #16030:
URL: https://github.com/apache/nuttx/pull/16030
## Summary
This further optimizes mutexes:
1. If priority inheritance or priority protect are enabled in nuttx config,
the fast atomic mutex path should be used, if priority adjusting is not
pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2020730729
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2020723547
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/***
pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2020504308
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/
pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2020504308
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/
pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2020504308
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2020071432
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/***
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2020071432
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/***
pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2019776932
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2019736741
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/**
pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2019213027
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/
pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2019213027
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/
lupyuen commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2761196627
@nuttxpr test mlkv_duos:nsh
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nuttxpr commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2761195946
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lupyuen commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2761183195
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jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2761193974
> ~Hmmm wonder why Avaota-A1 Arm64 SBC is failing...~
https://gist.github.com/lupyuen/75bee0db56674f2a90c4be99a3baa15a
>
> ```
> dump_assert_info: Current Version: NuttX 10.4.0
nuttxpr commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2761206592
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lupyuen commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2761150893
Hmmm wonder why Avaota-A1 Arm64 SBC is failing...
https://gist.github.com/lupyuen/75bee0db56674f2a90c4be99a3baa15a
```text
dump_assert_info: Current Version: NuttX 10.4.0 427d51e0
jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2761145703
And had to modify still a bit to pass CI with debug assertions
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lupyuen commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2761117846
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jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2761114717
Modified the PR acc. to the review comments, re-tested on rv-virt:nsh64
(ostest) and on multiple real hw & build configurations (MPFS,
CONFIG_BUILD_KERNEL and CONFIG_BUILD_FLAT, SMP and
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2018503867
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/**
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2018351215
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/**
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2007915286
##
include/nuttx/semaphore.h:
##
@@ -59,6 +59,56 @@
{(c), (f), SEM_WAITLIST_INITIALIZER}
#endif /* CONFIG_PRIORITY_INHERITANCE */
+/* Fast mutex lock/unlock p
pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2010651001
##
libs/libc/semaphore/sem_wait.c:
##
@@ -83,7 +83,12 @@ int sem_wait(FAR sem_t *sem)
/* Let nxsem_wait() do the real work */
- ret = nxsem_wait(sem);
+ ret = n
jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2743504357
Changed the way how atomic.h is included, now it should compile. Re-tested
on mpfs.
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xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2015665653
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/***
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2014904748
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/**
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2014952840
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/**
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2014926704
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/***
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2014767470
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/***
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2014767470
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/***
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2014767470
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/***
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2014767470
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/***
nuttxpr commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2753551179
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lupyuen commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2753542472
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lupyuen commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2753533140
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jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2753367465
Updated acc. to comments from @xiaoxiang781216 , no functional change. Still
re-tested on qemu rv64-virt:nsh and on real hardware (mpfs & i.MX93).
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jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2013464934
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/**
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2013464934
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/**
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2013464934
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/**
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2013460983
##
include/nuttx/sem_fast.h:
##
@@ -0,0 +1,184 @@
+/
+ * include/nuttx/sem_fast.h
+ *
+ * S
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2013297079
##
libs/libc/semaphore/sem_wait.c:
##
@@ -98,3 +98,43 @@ int sem_wait(FAR sem_t *sem)
leave_cancellation_point();
return ERROR;
}
+
+/***
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lupyuen commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2751290397
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URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2751276694
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jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2751273215
The CI build should now be ok, also corrected some comments in the header.
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lupyuen commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2750646411
Sorry @jlaitine: Could you fix the CI Build Error? Then I'll retest on
Avaota-A1 SBC and Oz64 SBC. Thanks :-)
https://github.com/apache/nuttx/actions/runs/14053936471/job/39349327053?pr=1
jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2750263661
Changed the implementation to put mutex fast path directly inside
nxsem_post, nxsem_wait and nxsem_trywait acc. to the suggestions from
@xiaoxiang781216 and @pussuw .
This actuall
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2011386408
##
libs/libc/semaphore/sem_wait.c:
##
@@ -83,7 +83,12 @@ int sem_wait(FAR sem_t *sem)
/* Let nxsem_wait() do the real work */
- ret = nxsem_wait(sem);
+ ret =
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2010414912
##
libs/libc/semaphore/sem_wait.c:
##
@@ -83,7 +83,12 @@ int sem_wait(FAR sem_t *sem)
/* Let nxsem_wait() do the real work */
- ret = nxsem_wait(sem);
+ ret =
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2010254516
##
libs/libc/semaphore/sem_trywait.c:
##
@@ -67,7 +67,12 @@ int sem_trywait(FAR sem_t *sem)
/* Let nxsem_trywait do the real work */
- ret = nxsem_trywait(sem)
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2010180473
##
libs/libc/semaphore/sem_wait.c:
##
@@ -83,7 +83,12 @@ int sem_wait(FAR sem_t *sem)
/* Let nxsem_wait() do the real work */
- ret = nxsem_wait(sem);
+
acassis commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2010172403
##
sched/semaphore/sem_post.c:
##
@@ -259,16 +259,18 @@ int nxsem_post(FAR sem_t *sem)
* else try to get it in slow mode.
*/
-#if !defined(CONFIG_PRIORITY_INH
pussuw commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2748106650
I'm currently sick, I'll do a proper review tomorrow. Looks good though.
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pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2010161040
##
libs/libc/semaphore/sem_wait.c:
##
@@ -83,7 +83,12 @@ int sem_wait(FAR sem_t *sem)
/* Let nxsem_wait() do the real work */
- ret = nxsem_wait(sem);
+ ret = n
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2010067300
##
libs/libc/semaphore/sem_trywait.c:
##
@@ -67,7 +67,12 @@ int sem_trywait(FAR sem_t *sem)
/* Let nxsem_trywait do the real work */
- ret = nxsem_trywa
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jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2747671530
Rebased against current master and cleaned up one comment.
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jlaitine commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2747286090
Re-tested on mpfs and qemu targets
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jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2009667981
##
include/nuttx/semaphore.h:
##
@@ -59,6 +59,54 @@
{(c), (f), SEM_WAITLIST_INITIALIZER}
#endif /* CONFIG_PRIORITY_INHERITANCE */
+/* Fast mutex lock/unlock p
acassis commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2009121738
##
include/nuttx/semaphore.h:
##
@@ -59,6 +59,54 @@
{(c), (f), SEM_WAITLIST_INITIALIZER}
#endif /* CONFIG_PRIORITY_INHERITANCE */
+/* Fast mutex lock/unlock pa
raiden00pl commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2008703373
##
include/nuttx/semaphore.h:
##
@@ -59,6 +59,54 @@
{(c), (f), SEM_WAITLIST_INITIALIZER}
#endif /* CONFIG_PRIORITY_INHERITANCE */
+/* Fast mutex lock/unlock
anchao commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2008634224
##
include/nuttx/semaphore.h:
##
@@ -59,6 +59,54 @@
{(c), (f), SEM_WAITLIST_INITIALIZER}
#endif /* CONFIG_PRIORITY_INHERITANCE */
+/* Fast mutex lock/unlock pat
jlaitine commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2008083224
##
include/nuttx/semaphore.h:
##
@@ -59,6 +59,54 @@
{(c), (f), SEM_WAITLIST_INITIALIZER}
#endif /* CONFIG_PRIORITY_INHERITANCE */
+/* Fast mutex lock/unlock p
xiaoxiang781216 commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2008021310
##
include/nuttx/semaphore.h:
##
@@ -59,6 +59,54 @@
{(c), (f), SEM_WAITLIST_INITIALIZER}
#endif /* CONFIG_PRIORITY_INHERITANCE */
+/* Fast mutex lock/u
pussuw commented on code in PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#discussion_r2007834177
##
include/nuttx/semaphore.h:
##
@@ -59,6 +59,56 @@
{(c), (f), SEM_WAITLIST_INITIALIZER}
#endif /* CONFIG_PRIORITY_INHERITANCE */
+/* Fast mutex lock/unlock pat
nuttxpr commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2742996344
[**\[Experimental Bot, please feedback
here\]**](https://github.com/search?q=repo%3Aapache%2Fnuttx+13552&type=issues)
Yes, this PR appears to meet the NuttX requirements, al
pussuw commented on PR #16030:
URL: https://github.com/apache/nuttx/pull/16030#issuecomment-2743006736
This partially completes the discussion from here
https://github.com/apache/nuttx/pull/14465
mutex holder still needs to be moved to userspace
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