From: David Miller <davem@davemloft.net>
To: mst@redhat.com
Cc: linux-arch@vger.kernel.org, arnd@arndb.de,
stefano.stabellini@eu.citrix.com, peterz@infradead.org,
andrew.cooper3@citrix.com, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 00/34] arch: barrier cleanup + __smp_xxx barriers for virt
Date: Wed, 30 Dec 2015 15:46:46 -0500 (EST) [thread overview]
Message-ID: <20151230.154646.596597479469584255.davem@davemloft.net> (raw)
In-Reply-To: <1451473761-30019-1-git-send-email-mst@redhat.com>
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Wed, 30 Dec 2015 14:58:19 +0200
> -. Patch 1 documents the __smp APIs, and explains why they are
> useful for virt
If virt is doing things like interacting with descriptors that are
shared with a (potentially SMP) host, why don't we just annotate those
specific cases?
The other memory barriers in the kernel do not matter for SMP'ness
when build UP.
WARNING: multiple messages have this Message-ID (diff)
From: David Miller <davem@davemloft.net>
To: mst@redhat.com
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
arnd@arndb.de, linux-arch@vger.kernel.org,
andrew.cooper3@citrix.com,
virtualization@lists.linux-foundation.org,
stefano.stabellini@eu.citrix.com
Subject: Re: [PATCH 00/34] arch: barrier cleanup + __smp_xxx barriers for virt
Date: Wed, 30 Dec 2015 15:46:46 -0500 (EST) [thread overview]
Message-ID: <20151230.154646.596597479469584255.davem@davemloft.net> (raw)
Message-ID: <20151230204646.98fPxJNVKj9XnYpO71BPU_1klWKyQdyFN-Hqbn4HuSk@z> (raw)
In-Reply-To: <1451473761-30019-1-git-send-email-mst@redhat.com>
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Wed, 30 Dec 2015 14:58:19 +0200
> -. Patch 1 documents the __smp APIs, and explains why they are
> useful for virt
If virt is doing things like interacting with descriptors that are
shared with a (potentially SMP) host, why don't we just annotate those
specific cases?
The other memory barriers in the kernel do not matter for SMP'ness
when build UP.
next prev parent reply other threads:[~2015-12-30 20:46 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-30 13:24 [PATCH 00/34] arch: barrier cleanup + __smp_XXX barriers for virt Michael S. Tsirkin
2015-12-30 12:58 ` [PATCH 00/34] arch: barrier cleanup + __smp_xxx " Michael S. Tsirkin
2015-12-30 13:24 ` [PATCH 01/34] Documentation/memory-barriers.txt: document __smb_mb() Michael S. Tsirkin
2016-01-04 11:08 ` Stefano Stabellini
2016-01-04 11:27 ` Michael S. Tsirkin
2015-12-30 13:24 ` [PATCH 02/34] asm-generic: guard smp_store_release/load_acquire Michael S. Tsirkin
2015-12-30 13:24 ` [PATCH 03/34] ia64: rename nop->iosapic_nop Michael S. Tsirkin
2015-12-30 13:24 ` Michael S. Tsirkin
2015-12-30 16:39 ` Luck, Tony
2015-12-30 16:39 ` Luck, Tony
2015-12-30 13:24 ` [PATCH 04/34] ia64: reuse asm-generic/barrier.h Michael S. Tsirkin
2015-12-30 13:24 ` Michael S. Tsirkin
2015-12-30 16:41 ` Luck, Tony
2015-12-30 16:41 ` Luck, Tony
2015-12-30 13:24 ` [PATCH 05/34] powerpc: " Michael S. Tsirkin
2015-12-30 13:24 ` Michael S. Tsirkin
2015-12-30 13:24 ` [PATCH 06/34] s390: " Michael S. Tsirkin
2015-12-30 13:24 ` Michael S. Tsirkin
2015-12-30 13:24 ` [PATCH 07/34] sparc: " Michael S. Tsirkin
2015-12-30 13:24 ` Michael S. Tsirkin
2015-12-30 17:56 ` David Miller
2015-12-30 19:55 ` Michael S. Tsirkin
2015-12-30 19:55 ` Michael S. Tsirkin
2015-12-30 20:47 ` David Miller
2015-12-30 20:47 ` David Miller
2015-12-30 13:24 ` [PATCH 08/34] asm-generic: smp_store_mb should use smp_mb Michael S. Tsirkin
2015-12-30 13:24 ` Michael S. Tsirkin
2015-12-30 13:44 ` Arnd Bergmann
2015-12-30 20:30 ` Michael S. Tsirkin
2015-12-30 22:43 ` Arnd Bergmann
2015-12-30 13:24 ` [PATCH 09/34] arm: reuse asm-generic/barrier.h Michael S. Tsirkin
2015-12-30 13:24 ` Michael S. Tsirkin
2015-12-30 13:24 ` [PATCH 10/34] arm64: " Michael S. Tsirkin
2015-12-30 13:24 ` Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 11/34] metag: " Michael S. Tsirkin
2015-12-30 13:25 ` Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 12/34] mips: " Michael S. Tsirkin
2015-12-30 13:25 ` Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 13/34] x86/um: " Michael S. Tsirkin
2015-12-30 13:25 ` Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 14/34] x86: " Michael S. Tsirkin
2015-12-30 13:25 ` Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 15/34] asm-generic: add __smp_XXX wrappers Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 15/34] asm-generic: add __smp_xxx wrappers Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 16/34] powerpc: define __smp_XXX Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 16/34] powerpc: define __smp_xxx Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 17/34] arm64: define __smp_XXX Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 17/34] arm64: define __smp_xxx Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 18/34] arm: define __smp_XXX Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 18/34] arm: define __smp_xxx Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 19/34] blackfin: define __smp_XXX Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 19/34] blackfin: define __smp_xxx Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 20/34] ia64: define __smp_XXX Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 20/34] ia64: define __smp_xxx Michael S. Tsirkin
2015-12-30 16:43 ` [PATCH 20/34] ia64: define __smp_XXX Luck, Tony
2015-12-30 13:25 ` [PATCH 21/34] metag: " Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 21/34] metag: define __smp_xxx Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 22/34] mips: define __smp_XXX Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 22/34] mips: define __smp_xxx Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 23/34] s390: define __smp_XXX Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 23/34] s390: define __smp_xxx Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 24/34] sh: define __smp_XXX, fix smp_store_mb for !SMP Michael S. Tsirkin
2015-12-30 13:25 ` [PATCH 24/34] sh: define __smp_xxx, " Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 25/34] sparc: define __smp_XXX Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 25/34] sparc: define __smp_xxx Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 26/34] tile: define __smp_XXX Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 26/34] tile: define __smp_xxx Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 27/34] xtensa: define __smp_XXX Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 27/34] xtensa: define __smp_xxx Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 28/34] x86: define __smp_XXX Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 28/34] x86: define __smp_xxX Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 29/34] Revert "virtio_ring: Update weak barriers to use dma_wmb/rmb" Michael S. Tsirkin
2015-12-30 13:26 ` Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 30/34] virtio_ring: update weak barriers to use __smp_XXX Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 31/34] xenbus: use __smp_XXX barriers Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 31/34] xenbus: use __smp_xxx barriers Michael S. Tsirkin
2016-01-04 11:58 ` [PATCH 31/34] xenbus: use __smp_XXX barriers Stefano Stabellini
2015-12-30 13:26 ` [PATCH 32/34] xen/io: " Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 32/34] xen/io: use __smp_xxx barriers Michael S. Tsirkin
2016-01-04 11:59 ` [PATCH 32/34] xen/io: use __smp_XXX barriers Stefano Stabellini
2015-12-30 13:26 ` [PATCH 33/34] virtio: use __smp_load_acquire/__smp_store_release Michael S. Tsirkin
2015-12-30 13:26 ` [PATCH 34/34] virtio_ring: use __smp_store_mb Michael S. Tsirkin
2015-12-30 13:49 ` [PATCH 00/34] arch: barrier cleanup + __smp_XXX barriers for virt Arnd Bergmann
2015-12-30 21:45 ` [PATCH 00/34] arch: barrier cleanup + __smp_xxx " Michael S. Tsirkin
2015-12-30 22:45 ` Arnd Bergmann
2015-12-30 20:46 ` David Miller [this message]
2015-12-30 20:46 ` David Miller
2015-12-30 21:36 ` Michael S. Tsirkin
2015-12-30 21:59 ` David Miller
2015-12-30 21:59 ` David Miller
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