Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755214Ab0H0CCX (ORCPT ); Thu, 26 Aug 2010 22:02:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:64818 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752669Ab0H0CAV (ORCPT ); Thu, 26 Aug 2010 22:00:21 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells Subject: [PATCH 14/22] Fix Alpha irqflags To: linux-arch@vger.kernel.org Cc: dhowells@redhat.com, linux-kernel@vger.kernel.org Date: Fri, 27 Aug 2010 03:00:17 +0100 Message-ID: <20100827020017.27277.51777.stgit@warthog.procyon.org.uk> In-Reply-To: <20100827015905.27277.39167.stgit@warthog.procyon.org.uk> References: <20100827015905.27277.39167.stgit@warthog.procyon.org.uk> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3106 Lines: 124 --- arch/alpha/include/asm/irqflags.h | 65 +++++++++++++++++++++++++++++++++++++ arch/alpha/include/asm/system.h | 28 ---------------- 2 files changed, 65 insertions(+), 28 deletions(-) create mode 100644 arch/alpha/include/asm/irqflags.h diff --git a/arch/alpha/include/asm/irqflags.h b/arch/alpha/include/asm/irqflags.h new file mode 100644 index 0000000..75dfe395 --- /dev/null +++ b/arch/alpha/include/asm/irqflags.h @@ -0,0 +1,65 @@ +#ifndef __ALPHA_IRQFLAGS_H +#define __ALPHA_IRQFLAGS_H + +#define IPL_MIN 0 +#define IPL_SW0 1 +#define IPL_SW1 2 +#define IPL_DEV0 3 +#define IPL_DEV1 4 +#define IPL_TIMER 5 +#define IPL_PERF 6 +#define IPL_POWERFAIL 6 +#define IPL_MCHECK 7 +#define IPL_MAX 7 + +#ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK +#undef IPL_MIN +#define IPL_MIN __min_ipl +extern int __min_ipl; +#endif + +#define getipl() (rdps() & 7) +#define setipl(ipl) ((void) swpipl(ipl)) + +static inline unsigned long arch_local_save_flags(void) +{ + return rdps(); +} + +static inline void arch_local_irq_disable(void) +{ + setipl(IPL_MAX); + barrier(); +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags = swpipl(IPL_MAX); + barrier(); + return flags; +} + +static inline void arch_local_irq_enable(void) +{ + barrier(); + setipl(IPL_MIN); +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + barrier(); + setipl(flags); + barrier(); +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return flags == IPL_MAX; +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(getipl()); +} + +#endif /* __ALPHA_IRQFLAGS_H */ diff --git a/arch/alpha/include/asm/system.h b/arch/alpha/include/asm/system.h index 5aa40cc..9f78e69 100644 --- a/arch/alpha/include/asm/system.h +++ b/arch/alpha/include/asm/system.h @@ -259,34 +259,6 @@ __CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long); __CALL_PAL_W1(wrusp, unsigned long); __CALL_PAL_W1(wrvptptr, unsigned long); -#define IPL_MIN 0 -#define IPL_SW0 1 -#define IPL_SW1 2 -#define IPL_DEV0 3 -#define IPL_DEV1 4 -#define IPL_TIMER 5 -#define IPL_PERF 6 -#define IPL_POWERFAIL 6 -#define IPL_MCHECK 7 -#define IPL_MAX 7 - -#ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK -#undef IPL_MIN -#define IPL_MIN __min_ipl -extern int __min_ipl; -#endif - -#define getipl() (rdps() & 7) -#define setipl(ipl) ((void) swpipl(ipl)) - -#define local_irq_disable() do { setipl(IPL_MAX); barrier(); } while(0) -#define local_irq_enable() do { barrier(); setipl(IPL_MIN); } while(0) -#define local_save_flags(flags) ((flags) = rdps()) -#define local_irq_save(flags) do { (flags) = swpipl(IPL_MAX); barrier(); } while(0) -#define local_irq_restore(flags) do { barrier(); setipl(flags); barrier(); } while(0) - -#define irqs_disabled() (getipl() == IPL_MAX) - /* * TB routines.. */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/