From: Paul Mackerras <paulus@samba.org>
To: benh@kernel.crashing.org, torvalds@linux-foundation.org,
akpm@linux-foundation.org, linuxppc-dev@ozlabs.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] powerpc: Use generic atomic64_t implementation on 32-bit processors
Date: Sat, 13 Jun 2009 17:10:41 +1000 [thread overview]
Message-ID: <18995.20721.75525.524733@cargo.ozlabs.ibm.com> (raw)
>From 02fccb02e29bc24e84a5b2ea6ea5d63779247408 Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@samba.org>
Date: Sat, 13 Jun 2009 16:24:03 +1000
Subject:
This makes 32-bit powerpc use the generic atomic64_t implementation.
Signed-off-by: Paul Mackerras <paulus@samba.org>
---
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/atomic.h | 3 +++
2 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index cdc9a6f..3f0a983 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -125,6 +125,7 @@ config PPC
select USE_GENERIC_SMP_HELPERS if SMP
select HAVE_OPROFILE
select HAVE_SYSCALL_WRAPPERS if PPC64
+ select GENERIC_ATOMIC64 if PPC32
config EARLY_PRINTK
bool
diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
index b7d2d07..4012483 100644
--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -470,6 +470,9 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
+#else /* __powerpc64__ */
+#include <asm-generic/atomic64.h>
+
#endif /* __powerpc64__ */
#include <asm-generic/atomic-long.h>
--
1.6.0.4
reply other threads:[~2009-06-13 7:13 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=18995.20721.75525.524733@cargo.ozlabs.ibm.com \
--to=paulus@samba.org \
--cc=akpm@linux-foundation.org \
--cc=benh@kernel.crashing.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@ozlabs.org \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).