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From: Tamas K Lengyel <tamas@tklengyel.com>
To: xen-devel@lists.xenproject.org
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
	Tamas K Lengyel <tamas@tklengyel.com>,
	Wei Liu <wei.liu2@citrix.com>, Jan Beulich <jbeulich@suse.com>,
	Roger Pau Monne <roger.pau@citrix.com>
Subject: [PATCH v5 3/4] x86/mem_sharing: enable mem_share audit mode only in debug builds
Date: Thu, 16 May 2019 15:37:51 -0600	[thread overview]
Message-ID: <20190516213752.1701-3-tamas@tklengyel.com> (raw)
In-Reply-To: <20190516213752.1701-1-tamas@tklengyel.com>

Improves performance for release builds.

Signed-off-by: Tamas K Lengyel <tamas@tklengyel.com>
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Cc: Roger Pau Monne <roger.pau@citrix.com>
---
 xen/include/asm-x86/mem_sharing.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xen/include/asm-x86/mem_sharing.h b/xen/include/asm-x86/mem_sharing.h
index 9f9f7e93e3..afd0c17292 100644
--- a/xen/include/asm-x86/mem_sharing.h
+++ b/xen/include/asm-x86/mem_sharing.h
@@ -25,7 +25,11 @@
 #include <public/memory.h>
 
 /* Auditing of memory sharing code? */
+#ifndef NDEBUG
 #define MEM_SHARING_AUDIT 1
+#else
+#define MEM_SHARING_AUDIT 0
+#endif
 
 typedef uint64_t shr_handle_t; 
 
-- 
2.20.1


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Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

WARNING: multiple messages have this Message-ID (diff)
From: Tamas K Lengyel <tamas@tklengyel.com>
To: xen-devel@lists.xenproject.org
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
	Tamas K Lengyel <tamas@tklengyel.com>,
	Wei Liu <wei.liu2@citrix.com>, Jan Beulich <jbeulich@suse.com>,
	Roger Pau Monne <roger.pau@citrix.com>
Subject: [Xen-devel] [PATCH v5 3/4] x86/mem_sharing: enable mem_share audit mode only in debug builds
Date: Thu, 16 May 2019 15:37:51 -0600	[thread overview]
Message-ID: <20190516213752.1701-3-tamas@tklengyel.com> (raw)
Message-ID: <20190516213751.u2YQ96z0Oo_pUw1-fft7OzJi9oazj2E54l5EcLvPI8U@z> (raw)
In-Reply-To: <20190516213752.1701-1-tamas@tklengyel.com>

Improves performance for release builds.

Signed-off-by: Tamas K Lengyel <tamas@tklengyel.com>
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Cc: Roger Pau Monne <roger.pau@citrix.com>
---
 xen/include/asm-x86/mem_sharing.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xen/include/asm-x86/mem_sharing.h b/xen/include/asm-x86/mem_sharing.h
index 9f9f7e93e3..afd0c17292 100644
--- a/xen/include/asm-x86/mem_sharing.h
+++ b/xen/include/asm-x86/mem_sharing.h
@@ -25,7 +25,11 @@
 #include <public/memory.h>
 
 /* Auditing of memory sharing code? */
+#ifndef NDEBUG
 #define MEM_SHARING_AUDIT 1
+#else
+#define MEM_SHARING_AUDIT 0
+#endif
 
 typedef uint64_t shr_handle_t; 
 
-- 
2.20.1


_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

  parent reply	other threads:[~2019-05-16 21:38 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-16 21:37 [PATCH v5 1/4] x86/mem_sharing: reorder when pages are unlocked and released Tamas K Lengyel
2019-05-16 21:37 ` [Xen-devel] " Tamas K Lengyel
2019-05-16 21:37 ` [PATCH v5 2/4] x86/mem_sharing: copy a page_lock version to be internal to memshr Tamas K Lengyel
2019-05-16 21:37   ` [Xen-devel] " Tamas K Lengyel
2019-05-17  7:21   ` Jan Beulich
2019-05-17  7:21     ` [Xen-devel] " Jan Beulich
2019-05-17 20:04     ` Tamas K Lengyel
2019-05-17 20:04       ` [Xen-devel] " Tamas K Lengyel
2019-06-17 12:21   ` Tamas K Lengyel
2019-05-16 21:37 ` Tamas K Lengyel [this message]
2019-05-16 21:37   ` [Xen-devel] [PATCH v5 3/4] x86/mem_sharing: enable mem_share audit mode only in debug builds Tamas K Lengyel
2019-06-17 12:24   ` Tamas K Lengyel
2019-05-16 21:37 ` [PATCH v5 4/4] x86/mem_sharing: compile mem_sharing subsystem only when kconfig is enabled Tamas K Lengyel
2019-05-16 21:37   ` [Xen-devel] " Tamas K Lengyel
2019-05-17  7:23   ` Jan Beulich
2019-05-17  7:23     ` [Xen-devel] " Jan Beulich
2019-06-03  8:26   ` Jan Beulich
2019-06-03  8:26     ` [Xen-devel] " Jan Beulich
2019-06-03 16:38     ` Tamas K Lengyel
2019-06-03 16:38       ` [Xen-devel] " Tamas K Lengyel
2019-06-03 16:40       ` Julien Grall
2019-06-03 16:40         ` [Xen-devel] " Julien Grall
2019-06-03 16:55         ` Tamas K Lengyel
2019-06-03 16:55           ` [Xen-devel] " Tamas K Lengyel
2019-06-04  8:41       ` Razvan Cojocaru
2019-06-04  8:41         ` [Xen-devel] " Razvan Cojocaru
2019-06-04 14:36     ` Daniel De Graaf
2019-06-17 12:17   ` Tamas K Lengyel
2019-06-17 12:23 ` [Xen-devel] [PATCH v5 1/4] x86/mem_sharing: reorder when pages are unlocked and released Tamas K Lengyel
2019-06-17 13:46   ` Jan Beulich

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