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...> Acked-by: Arnd Bergmann <arnd at arndb.de> > --- > arch/metag/include/asm/barrier.h | 32 +++++++++++++++----------------- > 1 file changed, 15 insertions(+), 17 deletions(-) > > diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h > index b5b778b..84880c9 100644 > --- a/arch/metag/include/asm/barrier.h > +++ b/arch/metag/include/asm/barrier.h > @@ -44,13 +44,6 @@ static inline void wr_fence(void) > #define rmb() barrier() > #define wmb() mb() > > -#ifndef CONFIG_SMP > -#define fence() do { } while (0) > -#d...

...> Acked-by: Arnd Bergmann <arnd at arndb.de> > --- > arch/metag/include/asm/barrier.h | 32 +++++++++++++++----------------- > 1 file changed, 15 insertions(+), 17 deletions(-) > > diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h > index b5b778b..84880c9 100644 > --- a/arch/metag/include/asm/barrier.h > +++ b/arch/metag/include/asm/barrier.h > @@ -44,13 +44,6 @@ static inline void wr_fence(void) > #define rmb() barrier() > #define wmb() mb() > > -#ifndef CONFIG_SMP > -#define fence() do { } while (0) > -#d...

.... Tsirkin <mst at redhat.com> Acked-by: Arnd Bergmann <arnd at arndb.de> --- arch/metag/include/asm/barrier.h | 32 +++++++++++++++----------------- 1 file changed, 15 insertions(+), 17 deletions(-) diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h index b5b778b..84880c9 100644 --- a/arch/metag/include/asm/barrier.h +++ b/arch/metag/include/asm/barrier.h @@ -44,13 +44,6 @@ static inline void wr_fence(void) #define rmb() barrier() #define wmb() mb() -#ifndef CONFIG_SMP -#define fence() do { } while (0) -#define smp_mb() barrier() -#define smp_...

...Tsirkin <mst at redhat.com> Acked-by: Arnd Bergmann <arnd at arndb.de> --- arch/metag/include/asm/barrier.h | 25 ++----------------------- 1 file changed, 2 insertions(+), 23 deletions(-) diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h index 172b7e5..b5b778b 100644 --- a/arch/metag/include/asm/barrier.h +++ b/arch/metag/include/asm/barrier.h @@ -44,9 +44,6 @@ static inline void wr_fence(void) #define rmb() barrier() #define wmb() mb() -#define dma_rmb() rmb() -#define dma_wmb() wmb() - #ifndef CONFIG_SMP #define fence() do { } while (0) #defi...

Changes since v1: - replaced my asm-generic patch with an equivalent patch already in tip - add wrappers with virt_ prefix for better code annotation, as suggested by David Miller - dropped XXX in patch names as this makes vger choke, Cc all relevant mailing lists on all patches (not personal email, as the list becomes too long then) I parked this in vhost tree for now, but the

Changes since v1: - replaced my asm-generic patch with an equivalent patch already in tip - add wrappers with virt_ prefix for better code annotation, as suggested by David Miller - dropped XXX in patch names as this makes vger choke, Cc all relevant mailing lists on all patches (not personal email, as the list becomes too long then) I parked this in vhost tree for now, but the

This is really trying to cleanup some virt code, as suggested by Peter, who said > You could of course go fix that instead of mutilating things into > sort-of functional state. This work is needed for virtio, so it's probably easiest to merge it through my tree - is this fine by everyone? Arnd, if you agree, could you ack this please? Note to arch maintainers: please don't

This is really trying to cleanup some virt code, as suggested by Peter, who said > You could of course go fix that instead of mutilating things into > sort-of functional state. This work is needed for virtio, so it's probably easiest to merge it through my tree - is this fine by everyone? Arnd, if you agree, could you ack this please? Note to arch maintainers: please don't

Changes since v2: - extended checkpatch tests for barriers, and added patches teaching it to warn about incorrect usage of barriers (__smp_xxx barriers are for use by asm-generic code only), should help prevent misuse by arch code to address comments by Russell King - patched more instances of xen to use virt_ barriers as suggested by Stefano Stabellini - implemented a 2 byte xchg on sh

Changes since v2: - extended checkpatch tests for barriers, and added patches teaching it to warn about incorrect usage of barriers (__smp_xxx barriers are for use by asm-generic code only), should help prevent misuse by arch code to address comments by Russell King - patched more instances of xen to use virt_ barriers as suggested by Stefano Stabellini - implemented a 2 byte xchg on sh