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Groups > linux.kernel > #1299754
| From | "Michael S. Tsirkin" <mst@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 16/32] arm64: define __smp_xxx |
| Date | 2015-12-31 20:10 +0100 |
| Message-ID | <qLQLN-8pu-55@gated-at.bofh.it> (permalink) |
| References | <qLQLL-8pu-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
This defines __smp_xxx barriers for arm64,
for use by virtualization.
smp_xxx barriers are removed as they are
defined correctly by asm-generic/barriers.h
Note: arm64 does not support !SMP config,
so smp_xxx and __smp_xxx are always equivalent.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
---
arch/arm64/include/asm/barrier.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
index 91a43f4..dae5c49 100644
--- a/arch/arm64/include/asm/barrier.h
+++ b/arch/arm64/include/asm/barrier.h
@@ -35,11 +35,11 @@
#define dma_rmb() dmb(oshld)
#define dma_wmb() dmb(oshst)
-#define smp_mb() dmb(ish)
-#define smp_rmb() dmb(ishld)
-#define smp_wmb() dmb(ishst)
+#define __smp_mb() dmb(ish)
+#define __smp_rmb() dmb(ishld)
+#define __smp_wmb() dmb(ishst)
-#define smp_store_release(p, v) \
+#define __smp_store_release(p, v) \
do { \
compiletime_assert_atomic_type(*p); \
switch (sizeof(*p)) { \
@@ -62,7 +62,7 @@ do { \
} \
} while (0)
-#define smp_load_acquire(p) \
+#define __smp_load_acquire(p) \
({ \
union { typeof(*p) __val; char __c[1]; } __u; \
compiletime_assert_atomic_type(*p); \
--
MST
--
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[PATCH v2 00/34] arch: barrier cleanup + barriers for virt "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:10 +0100
[PATCH v2 08/32] arm: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:10 +0100
Re: [PATCH v2 08/32] arm: reuse asm-generic/barrier.h Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-01-02 12:30 +0100
[PATCH v2 27/32] x86: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:10 +0100
[PATCH v2 04/32] ia64: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:10 +0100
[PATCH v2 22/32] s390: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:10 +0100
Re: [PATCH v2 22/32] s390: define __smp_xxx Peter Zijlstra <peterz@infradead.org> - 2016-01-04 14:50 +0100
Re: [PATCH v2 22/32] s390: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-04 21:20 +0100
Re: [PATCH v2 22/32] s390: define __smp_xxx Martin Schwidefsky <schwidefsky@de.ibm.com> - 2016-01-05 09:20 +0100
Re: [PATCH v2 22/32] s390: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-05 10:40 +0100
Re: [PATCH v2 22/32] s390: define __smp_xxx Martin Schwidefsky <schwidefsky@de.ibm.com> - 2016-01-05 13:10 +0100
Re: [PATCH v2 22/32] s390: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-05 14:10 +0100
Re: [PATCH v2 22/32] s390: define __smp_xxx Martin Schwidefsky <schwidefsky@de.ibm.com> - 2016-01-05 15:30 +0100
Re: [PATCH v2 22/32] s390: define __smp_xxx Christian Borntraeger <borntraeger@de.ibm.com> - 2016-01-05 16:50 +0100
Re: [PATCH v2 22/32] s390: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-05 17:10 +0100
[PATCH v2 15/32] powerpc: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:10 +0100
Re: [PATCH v2 15/32] powerpc: define __smp_xxx Boqun Feng <boqun.feng@gmail.com> - 2016-01-05 02:40 +0100
Re: [PATCH v2 15/32] powerpc: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-05 10:00 +0100
Re: [PATCH v2 15/32] powerpc: define __smp_xxx Boqun Feng <boqun.feng@gmail.com> - 2016-01-05 11:00 +0100
Re: [PATCH v2 15/32] powerpc: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-05 17:20 +0100
Re: [PATCH v2 15/32] powerpc: define __smp_xxx Boqun Feng <boqun.feng@gmail.com> - 2016-01-06 03:00 +0100
Re: [PATCH v2 15/32] powerpc: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-06 21:30 +0100
Re: [PATCH v2 15/32] powerpc: define __smp_xxx Boqun Feng <boqun.feng@gmail.com> - 2016-01-07 01:50 +0100
[PATCH v2 12/32] x86/um: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:10 +0100
Re: [PATCH v2 12/32] x86/um: reuse asm-generic/barrier.h Richard Weinberger <richard@nod.at> - 2016-01-06 00:20 +0100
[PATCH v2 10/32] metag: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:10 +0100
Re: [PATCH v2 10/32] metag: reuse asm-generic/barrier.h James Hogan <james.hogan@imgtec.com> - 2016-01-05 00:30 +0100
[PATCH v2 16/32] arm64: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:10 +0100
[PATCH v2 03/32] ia64: rename nop->iosapic_nop "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:10 +0100
[PATCH v2 06/32] s390: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:10 +0100
Re: [PATCH v2 06/32] s390: reuse asm-generic/barrier.h Peter Zijlstra <peterz@infradead.org> - 2016-01-04 14:30 +0100
Re: [PATCH v2 06/32] s390: reuse asm-generic/barrier.h Martin Schwidefsky <schwidefsky@de.ibm.com> - 2016-01-04 16:10 +0100
Re: [PATCH v2 06/32] s390: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-04 21:50 +0100
Re: [PATCH v2 06/32] s390: reuse asm-generic/barrier.h Martin Schwidefsky <schwidefsky@de.ibm.com> - 2016-01-05 09:10 +0100
Re: [PATCH v2 06/32] s390: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-04 21:40 +0100
[PATCH v2 21/32] mips: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:20 +0100
[PATCH v2 09/32] arm64: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:20 +0100
[PATCH v2 32/32] virtio_ring: use virt_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:20 +0100
Re: [PATCH v2 32/32] virtio_ring: use virt_store_mb Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-01-01 18:30 +0100
Re: [PATCH v2 32/32] virtio_ring: use virt_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-03 10:10 +0100
[PATCH v2 31/32] sh: support a 2-byte smp_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:20 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Peter Zijlstra <peterz@infradead.org> - 2016-01-04 15:10 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Rich Felker <dalias@libc.org> - 2016-01-06 00:40 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-06 12:20 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Peter Zijlstra <peterz@infradead.org> - 2016-01-06 12:50 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-06 13:00 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Peter Zijlstra <peterz@infradead.org> - 2016-01-06 15:40 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Rob Landley <rob@landley.net> - 2016-01-06 16:50 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Peter Zijlstra <peterz@infradead.org> - 2016-01-06 18:00 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Rob Landley <rob@landley.net> - 2016-01-06 21:30 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Geert Uytterhoeven <geert@linux-m68k.org> - 2016-01-06 20:00 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Rich Felker <dalias@libc.org> - 2016-01-06 19:30 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-06 21:30 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Rich Felker <dalias@libc.org> - 2016-01-07 01:00 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Peter Zijlstra <peterz@infradead.org> - 2016-01-07 14:40 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Rich Felker <dalias@libc.org> - 2016-01-07 20:10 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-07 17:00 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-07 18:50 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Rich Felker <dalias@libc.org> - 2016-01-07 20:20 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-07 23:50 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb Rich Felker <dalias@libc.org> - 2016-01-08 05:30 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-08 08:30 +0100
Re: [PATCH v2 31/32] sh: support a 2-byte smp_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-06 23:20 +0100
[PATCH v2 33/34] xenbus: use virt_xxx barriers "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:20 +0100
Re: [Xen-devel] [PATCH v2 33/34] xenbus: use virt_xxx barriers David Vrabel <david.vrabel@citrix.com> - 2016-01-04 12:40 +0100
Re: [PATCH v2 33/34] xenbus: use virt_xxx barriers Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-04 13:10 +0100
Re: [PATCH v2 33/34] xenbus: use virt_xxx barriers Peter Zijlstra <peterz@infradead.org> - 2016-01-04 15:20 +0100
[PATCH v2 26/32] xtensa: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:20 +0100
[PATCH v2 34/34] xen/io: use virt_xxx barriers "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:20 +0100
Re: [Xen-devel] [PATCH v2 34/34] xen/io: use virt_xxx barriers David Vrabel <david.vrabel@citrix.com> - 2016-01-04 12:40 +0100
Re: [PATCH v2 34/34] xen/io: use virt_xxx barriers Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-04 13:10 +0100
[PATCH v2 02/32] asm-generic: guard smp_store_release/load_acquire "Michael S. Tsirkin" <mst@redhat.com> - 2015-12-31 20:20 +0100
[PATCH v2 30/32] virtio_ring: update weak barriers to use __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-01 10:40 +0100
Re: [PATCH v2 30/32] virtio_ring: update weak barriers to use __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-01 11:30 +0100
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