From: Allen Pais <allen.pais@oracle.com>
To: linux-kernel@vger.kernel.org
Cc: sparclinux@vger.kernel.org, davem@davemloft.net,
bigeasy@linutronix.de, Allen Pais <allen.pais@oracle.com>
Subject: [PATCH 1/4] sparc64: use generic rwsem spinlocks rt
Date: Mon, 6 Jan 2014 09:25:07 +0530 [thread overview]
Message-ID: <1388980510-10190-2-git-send-email-allen.pais@oracle.com> (raw)
In-Reply-To: <1388980510-10190-1-git-send-email-allen.pais@oracle.com>
This patch enables the use of generic rwsem spinlocks
to support RT on sparc64
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Allen Pais <allen.pais@oracle.com>
---
arch/sparc/Kconfig | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 6787bd3..554995d 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -179,12 +179,10 @@ config NR_CPUS
source kernel/Kconfig.hz
config RWSEM_GENERIC_SPINLOCK
- bool
- default y if SPARC32
+ def_bool PREEMPT_RT_FULL
config RWSEM_XCHGADD_ALGORITHM
- bool
- default y if SPARC64
+ def_bool !RWSEM_GENERIC_SPINLOCK && !PREEMPT_RT_FULL
config GENERIC_HWEIGHT
bool
--
1.7.10.4
next prev parent reply other threads:[~2014-01-06 3:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-06 3:55 [PATCH 0/4] PREEMPT_RT support for sparc64 Allen Pais
2014-01-06 3:55 ` Allen Pais [this message]
2014-01-06 3:55 ` [PATCH 2/4] sparc64: allow forced irq threading Allen Pais
2014-01-06 3:55 ` [PATCH 3/4] sparc64: convert spinlock_t to raw_spinlock_t in mmu_context_t Allen Pais
2014-02-11 21:13 ` Kirill Tkhai
2014-02-12 7:31 ` Allen Pais
2014-01-06 3:55 ` [PATCH 4/4] sparc64: convert ctx_alloc_lock raw_spinlock_t Allen Pais
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