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Re: [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze f
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze from 2016-07-18 |
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Date: |
Mon, 18 Jul 2016 15:59:39 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 |
On 18/07/2016 15:41, Peter Maydell wrote:
>> > Doesn't it have LDRDEX and STRDEX?
> Yes, you could use a LDREXD/STREXD sequence for ARMv7 (and it
> looks like gcc does so). Doesn't work on ARMv5, though.
>
> MIPS32 and PPC32 are the hosts where attempted 64-bit
> atomics generally fail (they want to call out to libatomic),
> so those would be the other ones to test before widening the use
> of atomic_set.
In the meanwhile we can degrade these particular accesses to volatile.
Paolo
- [Qemu-devel] [PULL 22/23] block/iscsi: fix rounding in iscsi_allocationmap_set, (continued)
- [Qemu-devel] [PULL 22/23] block/iscsi: fix rounding in iscsi_allocationmap_set, Paolo Bonzini, 2016/07/18
- [Qemu-devel] [PULL 19/23] tcg: Merge tb_find_slow() and tb_find_fast(), Paolo Bonzini, 2016/07/18
- [Qemu-devel] [PULL 23/23] block/iscsi: allow caching of the allocation map, Paolo Bonzini, 2016/07/18
- Re: [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze from 2016-07-18, Peter Maydell, 2016/07/18
- Re: [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze from 2016-07-18, Paolo Bonzini, 2016/07/18
- Re: [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze from 2016-07-18, Peter Maydell, 2016/07/18
- Re: [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze from 2016-07-18, Paolo Bonzini, 2016/07/18
- Re: [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze from 2016-07-18, Peter Maydell, 2016/07/18
- Re: [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze from 2016-07-18, Paolo Bonzini, 2016/07/18
- Re: [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze from 2016-07-18, Peter Maydell, 2016/07/18
- Re: [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze from 2016-07-18,
Paolo Bonzini <=