Displaying 11 results from an estimated 11 matches for "d68e11".
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d68e11e
2016 Jan 12
1
[PATCH v3 01/41] lcoking/barriers, arch: Use smp barriers in smp_store_release()
...E_ONCE(var, value); mb(); } while (0)
> +#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(); } while (0)
>
> #ifdef __SUBARCH_HAS_LWSYNC
> # define SMPWMB LWSYNC
> diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
> index d68e11e..7ffd0b1 100644
> --- a/arch/s390/include/asm/barrier.h
> +++ b/arch/s390/include/asm/barrier.h
> @@ -36,7 +36,7 @@
> #define smp_mb__before_atomic() smp_mb()
> #define smp_mb__after_atomic() smp_mb()
>
> -#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); mb(...
2016 Jan 12
1
[PATCH v3 01/41] lcoking/barriers, arch: Use smp barriers in smp_store_release()
...E_ONCE(var, value); mb(); } while (0)
> +#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(); } while (0)
>
> #ifdef __SUBARCH_HAS_LWSYNC
> # define SMPWMB LWSYNC
> diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
> index d68e11e..7ffd0b1 100644
> --- a/arch/s390/include/asm/barrier.h
> +++ b/arch/s390/include/asm/barrier.h
> @@ -36,7 +36,7 @@
> #define smp_mb__before_atomic() smp_mb()
> #define smp_mb__after_atomic() smp_mb()
>
> -#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); mb(...
2016 Jan 10
0
[PATCH v3 01/41] lcoking/barriers, arch: Use smp barriers in smp_store_release()
...tore_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0)
+#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(); } while (0)
#ifdef __SUBARCH_HAS_LWSYNC
# define SMPWMB LWSYNC
diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
index d68e11e..7ffd0b1 100644
--- a/arch/s390/include/asm/barrier.h
+++ b/arch/s390/include/asm/barrier.h
@@ -36,7 +36,7 @@
#define smp_mb__before_atomic() smp_mb()
#define smp_mb__after_atomic() smp_mb()
-#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0)
+#define smp_store_...
2015 Dec 20
2
[Xen-devel] new barrier type for paravirt (was Re: [PATCH] virtio_ring: use smp_store_mb)
On Sun, Dec 20, 2015 at 05:07:19PM +0000, Andrew Cooper wrote:
>
> Very much +1 for fixing this.
>
> Those names would be fine, but they do add yet another set of options in
> an already-complicated area.
>
> An alternative might be to have the regular smp_{w,r,}mb() not revert
> back to nops if CONFIG_PARAVIRT, or perhaps if pvops have detected a
> non-native
2015 Dec 20
2
[Xen-devel] new barrier type for paravirt (was Re: [PATCH] virtio_ring: use smp_store_mb)
On Sun, Dec 20, 2015 at 05:07:19PM +0000, Andrew Cooper wrote:
>
> Very much +1 for fixing this.
>
> Those names would be fine, but they do add yet another set of options in
> an already-complicated area.
>
> An alternative might be to have the regular smp_{w,r,}mb() not revert
> back to nops if CONFIG_PARAVIRT, or perhaps if pvops have detected a
> non-native
2016 Jan 10
48
[PATCH v3 00/41] arch: barrier cleanup + barriers for virt
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
2016 Jan 10
48
[PATCH v3 00/41] arch: barrier cleanup + barriers for virt
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
2015 Dec 30
46
[PATCH 00/34] arch: barrier cleanup + __smp_XXX barriers for virt
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
2015 Dec 30
46
[PATCH 00/34] arch: barrier cleanup + __smp_XXX barriers for virt
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
2015 Dec 31
54
[PATCH v2 00/34] arch: barrier cleanup + barriers for virt
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
2015 Dec 31
54
[PATCH v2 00/34] arch: barrier cleanup + barriers for virt
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