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Groups > linux.kernel > #1306885
| From | Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [v3,11/41] mips: reuse asm-generic/barrier.h |
| Date | 2016-01-12 02:20 +0100 |
| Message-ID | <qPVMS-2bA-3@gated-at.bofh.it> (permalink) |
| References | <qPp0D-5g4-39@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 01/10/2016 06:18 AM, Michael S. Tsirkin wrote:
> On mips dma_rmb, dma_wmb, smp_store_mb, read_barrier_depends,
> smp_read_barrier_depends, smp_store_release and smp_load_acquire match
> the asm-generic variants exactly. Drop the local definitions and pull in
> asm-generic/barrier.h instead.
>
This statement doesn't fit MIPS barriers variations. Moreover, there is
a reason to extend that even more specific, at least for
smp_store_release and smp_load_acquire, look into
http://patchwork.linux-mips.org/patch/10506/
- Leonid.
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[PATCH v3 00/41] arch: barrier cleanup + barriers for virt "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 06/41] s390: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 13/41] x86: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
Re: [PATCH v3 13/41] x86: reuse asm-generic/barrier.h Thomas Gleixner <tglx@linutronix.de> - 2016-01-12 15:20 +0100
[PATCH v3 08/41] arm: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 21/41] mips: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 03/41] ia64: rename nop->iosapic_nop "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 07/41] sparc: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 15/41] powerpc: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 12/41] x86/um: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 22/41] s390: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 11/41] mips: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-12 02:20 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-12 09:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Peter Zijlstra <peterz@infradead.org> - 2016-01-12 11:00 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Peter Zijlstra <peterz@infradead.org> - 2016-01-12 10:30 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Peter Zijlstra <peterz@infradead.org> - 2016-01-12 11:30 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Peter Zijlstra <peterz@infradead.org> - 2016-01-12 11:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Will Deacon <will.deacon@arm.com> - 2016-01-12 12:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-12 21:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Peter Zijlstra <peterz@infradead.org> - 2016-01-12 22:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-13 01:30 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Will Deacon <will.deacon@arm.com> - 2016-01-13 11:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-13 20:10 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Peter Zijlstra <peterz@infradead.org> - 2016-01-13 21:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-13 22:00 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Will Deacon <will.deacon@arm.com> - 2016-01-14 13:10 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-01-14 18:40 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-14 20:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Peter Zijlstra <peterz@infradead.org> - 2016-01-14 21:20 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-01-14 21:40 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Peter Zijlstra <peterz@infradead.org> - 2016-01-14 21:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-14 21:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-01-14 22:40 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-14 22:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-01-14 23:30 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-15 00:10 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-14 21:20 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-01-14 21:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-14 22:30 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-01-14 23:30 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-13 23:30 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-14 10:30 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Will Deacon <will.deacon@arm.com> - 2016-01-14 13:20 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-14 20:30 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-01-14 21:40 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-14 22:10 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-01-14 22:30 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-14 22:40 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-01-15 00:00 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-15 00:40 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-01-15 01:50 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2016-01-15 02:10 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Peter Zijlstra <peterz@infradead.org> - 2016-01-15 10:00 +0100
Re: [v3,11/41] mips: reuse asm-generic/barrier.h Peter Zijlstra <peterz@infradead.org> - 2016-01-15 10:20 +0100
[PATCH v3 17/41] arm: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 14/41] asm-generic: add __smp_xxx wrappers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 09/41] arm64: reuse asm-generic/barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 18/41] blackfin: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 16/41] arm64: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 20/41] metag: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:20 +0100
[PATCH v3 35/41] checkpatch: check for __smp outside barrier.h "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 38/41] xen/io: use virt_xxx barriers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 36/41] checkpatch: add virt barriers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 26/41] xtensa: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 28/41] asm-generic: implement virt_xxx memory barriers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 37/41] xenbus: use virt_xxx barriers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 24/41] sparc: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 40/41] s390: use generic memory barriers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 25/41] tile: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 29/41] Revert "virtio_ring: Update weak barriers to use dma_wmb/rmb" "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 34/41] checkpatch.pl: add missing memory barriers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 41/41] s390: more efficient smp barriers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 33/41] virtio_ring: use virt_store_mb "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 01/41] lcoking/barriers, arch: Use smp barriers in smp_store_release() "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
Re: [PATCH v3 01/41] lcoking/barriers, arch: Use smp barriers in smp_store_release() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-01-12 17:30 +0100
Re: [PATCH v3 01/41] lcoking/barriers, arch: Use smp barriers in smp_store_release() "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-12 19:50 +0100
[PATCH v3 30/41] virtio_ring: update weak barriers to use virt_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 32/41] sh: move xchg_cmpxchg to a header by itself "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 23/41] sh: define __smp_xxx, fix smp_store_mb for !SMP "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
[PATCH v3 27/41] x86: define __smp_xxx "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
Re: [PATCH v3 27/41] x86: define __smp_xxx Thomas Gleixner <tglx@linutronix.de> - 2016-01-12 15:20 +0100
[PATCH v3 39/41] xen/events: use virt_xxx barriers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
Re: [PATCH v3 39/41] xen/events: use virt_xxx barriers David Vrabel <david.vrabel@citrix.com> - 2016-01-11 12:20 +0100
[PATCH v3 31/41] sh: support 1 and 2 byte xchg "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 15:30 +0100
Re: [PATCH v3 00/41] arch: barrier cleanup + barriers for virt Peter Zijlstra <peterz@infradead.org> - 2016-01-12 14:00 +0100
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