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Date:      Tue, 18 Aug 2020 14:09:49 +0000 (UTC)
From:      Mark Johnston <markj@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r364345 - in head/sys: kern vm
Message-ID:  <202008181409.07IE9ne1091274@repo.freebsd.org>
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Author: markj
Date: Tue Aug 18 14:09:49 2020
New Revision: 364345
URL: https://svnweb.freebsd.org/changeset/base/364345

Log:
  Revert r364310.
  
  Some of the resulting fallout in CAM does not appear straightforward to
  fix, so simply revert the commit for now in the absence of a better
  solution.
  
  Discussed with:	mjg
  Reported by:	dhw

Modified:
  head/sys/kern/kern_malloc.c
  head/sys/vm/uma_core.c

Modified: head/sys/kern/kern_malloc.c
==============================================================================
--- head/sys/kern/kern_malloc.c	Tue Aug 18 12:14:01 2020	(r364344)
+++ head/sys/kern/kern_malloc.c	Tue Aug 18 14:09:49 2020	(r364345)
@@ -618,9 +618,6 @@ void *
 	unsigned long osize = size;
 #endif
 
-	KASSERT((flags & M_WAITOK) == 0 || THREAD_CAN_SLEEP(),
-	    ("malloc(M_WAITOK) in non-sleepable context"));
-
 #ifdef MALLOC_DEBUG
 	va = NULL;
 	if (malloc_dbg(&va, &size, mtp, flags) != 0)

Modified: head/sys/vm/uma_core.c
==============================================================================
--- head/sys/vm/uma_core.c	Tue Aug 18 12:14:01 2020	(r364344)
+++ head/sys/vm/uma_core.c	Tue Aug 18 14:09:49 2020	(r364345)
@@ -3328,9 +3328,6 @@ uma_zalloc_smr(uma_zone_t zone, int flags)
 	uma_cache_bucket_t bucket;
 	uma_cache_t cache;
 
-	KASSERT((flags & M_WAITOK) == 0 || THREAD_CAN_SLEEP(),
-	    ("uma_zalloc_smr(M_WAITOK) in non-sleepable context"));
-
 #ifdef UMA_ZALLOC_DEBUG
 	void *item;
 
@@ -3354,9 +3351,6 @@ uma_zalloc_arg(uma_zone_t zone, void *udata, int flags
 {
 	uma_cache_bucket_t bucket;
 	uma_cache_t cache;
-
-	KASSERT((flags & M_WAITOK) == 0 || THREAD_CAN_SLEEP(),
-	    ("uma_zalloc(M_WAITOK) in non-sleepable context"));
 
 	/* Enable entropy collection for RANDOM_ENABLE_UMA kernel option */
 	random_harvest_fast_uma(&zone, sizeof(zone), RANDOM_UMA);

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