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...s such by mistake. > > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > --- > include/asm-generic/barrier.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h > index 538f8d1..987b2e0 100644 > --- a/include/asm-generic/barrier.h > +++ b/include/asm-generic/barrier.h > @@ -93,7 +93,7 @@ > #endif /* CONFIG_SMP */ > > #ifndef smp_store_mb > -#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0) > +#define smp_store_mb(var, valu...

...s such by mistake. > > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > --- > include/asm-generic/barrier.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h > index 538f8d1..987b2e0 100644 > --- a/include/asm-generic/barrier.h > +++ b/include/asm-generic/barrier.h > @@ -93,7 +93,7 @@ > #endif /* CONFIG_SMP */ > > #ifndef smp_store_mb > -#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0) > +#define smp_store_mb(var, valu...

...before some arch-specific code uses it as such by mistake. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/asm-generic/barrier.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h index 538f8d1..987b2e0 100644 --- a/include/asm-generic/barrier.h +++ b/include/asm-generic/barrier.h @@ -93,7 +93,7 @@ #endif /* CONFIG_SMP */ #ifndef smp_store_mb -#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0) +#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(...

...Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > > --- > > include/asm-generic/barrier.h | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h > > index 538f8d1..987b2e0 100644 > > --- a/include/asm-generic/barrier.h > > +++ b/include/asm-generic/barrier.h > > @@ -93,7 +93,7 @@ > > #endif /* CONFIG_SMP */ > > > > #ifndef smp_store_mb > > -#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0) &...

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

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