From: Tim Abbott <tabbott@MIT.EDU>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: linux-mips@linux-mips.org, linux-m68k@vger.kernel.org,
linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
Denys Vlasenko <vda.linux@googlemail.com>,
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linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>,
"H. Peter Anvin" <hpa@zytor.com>,
sparclinux@vger.kernel.org, Waseem Daher <wdaher@mit.edu>,
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"David S. Miller" <davem@davemloft.net>
Subject: [PATCH v2 6/6] Add support for __read_mostly to linux/cache.h
Date: Thu, 30 Apr 2009 15:54:13 -0400 [thread overview]
Message-ID: <1241121253-32341-7-git-send-email-tabbott@mit.edu> (raw)
In-Reply-To: <1241121253-32341-6-git-send-email-tabbott@mit.edu>
Signed-off-by: Tim Abbott <tabbott@mit.edu>
---
include/linux/cache.h | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/include/linux/cache.h b/include/linux/cache.h
index 97e2488..99d8a6f 100644
--- a/include/linux/cache.h
+++ b/include/linux/cache.h
@@ -13,7 +13,13 @@
#endif
#ifndef __read_mostly
+#ifdef CONFIG_HAVE_READ_MOSTLY_DATA
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+#define __READ_MOSTLY .section ".data.read_mostly", "aw"
+#else
#define __read_mostly
+#define __READ_MOSTLY
+#endif /* CONFIG_HAVE_READ_MOSTLY_DATA */
#endif
#ifndef ____cacheline_aligned
--
1.6.2.1
next prev parent reply other threads:[~2009-04-30 19:58 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-30 19:54 [PATCH v2 0/6] macros for section name cleanup Tim Abbott
2009-04-30 19:54 ` [PATCH v2 1/6] Add new macros for page-aligned data and bss sections Tim Abbott
2009-04-30 19:54 ` [PATCH v2 2/6] Add new NOSAVE_DATA linker script macro Tim Abbott
2009-04-30 19:54 ` [PATCH v2 3/6] Add new CACHELINE_ALIGNED_DATA " Tim Abbott
2009-04-30 19:54 ` [PATCH v2 4/6] Add new INIT_TASK_DATA() " Tim Abbott
2009-04-30 19:54 ` [PATCH v2 5/6] Add new READ_MOSTLY_DATA(align) " Tim Abbott
2009-04-30 19:54 ` Tim Abbott [this message]
2009-05-01 9:21 ` [PATCH v2 2/6] Add new NOSAVE_DATA " Sam Ravnborg
2009-05-01 9:18 ` [PATCH v2 1/6] Add new macros for page-aligned data and bss sections Sam Ravnborg
2009-05-01 13:54 ` Tim Abbott
2009-05-01 16:33 ` H. Peter Anvin
2009-05-01 17:17 ` Sam Ravnborg
2009-05-01 17:18 ` H. Peter Anvin
2009-05-01 17:44 ` Sam Ravnborg
2009-05-01 17:47 ` H. Peter Anvin
2009-05-01 23:02 ` Andreas Schwab
2009-05-01 9:04 ` [PATCH v2 0/6] macros for section name cleanup Sam Ravnborg
2009-05-01 14:21 ` Sam Ravnborg
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