From 98a9d115316f63b479c0dc485f6eaa57efde8595 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sun, 26 Jul 2009 02:21:32 +0200 Subject: [PATCH] x86: Use generic rwsem_spinlocks on -rt commit 472e73122da0287f9c7a75ba38414eb7c3f105e9 in tip. Simplifies the separation of anon_rw_semaphores and rw_semaphores for -rt. Signed-off-by: Thomas Gleixner Signed-off-by: Paul Gortmaker --- arch/x86/Kconfig | 12 ++++++++++-- 1 files changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9458685..555b7d4 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -129,10 +129,18 @@ config ARCH_MAY_HAVE_PC_FDC def_bool y config RWSEM_GENERIC_SPINLOCK - def_bool !X86_XADD + bool + depends on !X86_XADD || PREEMPT_RT + default y + +config ASM_SEMAPHORES + bool + default y config RWSEM_XCHGADD_ALGORITHM - def_bool X86_XADD + bool + depends on X86_XADD && !RWSEM_GENERIC_SPINLOCK && !PREEMPT_RT + default y config ARCH_HAS_CPU_IDLE_WAIT def_bool y -- 1.7.0.4