Re: [Qemu-devel] qemu-arm-static, multiprocess, atomic

2016-05-26 Thread Paolo Bonzini
On 26/05/2016 14:53, Sergey Fedorov wrote: >>> I'm afraid even our recent efforts in >>> multi-threaded TCG won't change the situation. The problem is that it >>> would require to translate somehow ARM's exclusive access monitor to x86 >>> model. >>> >> The cmpxchg-based variant would work. It d

Re: [Qemu-devel] qemu-arm-static, multiprocess, atomic

2016-05-26 Thread Sergey Fedorov
On 26/05/16 14:21, Paolo Bonzini wrote: > > On 26/05/2016 12:42, Sergey Fedorov wrote: >> I'm afraid even our recent efforts in >> multi-threaded TCG won't change the situation. The problem is that it >> would require to translate somehow ARM's exclusive access monitor to x86 >> model. >> > The cmp

Re: [Qemu-devel] qemu-arm-static, multiprocess, atomic

2016-05-26 Thread Paolo Bonzini
On 26/05/2016 12:42, Sergey Fedorov wrote: > I'm afraid even our recent efforts in > multi-threaded TCG won't change the situation. The problem is that it > would require to translate somehow ARM's exclusive access monitor to x86 > model. > The cmpxchg-based variant would work. It doesn't impl

Re: [Qemu-devel] qemu-arm-static, multiprocess, atomic

2016-05-26 Thread Sergey Fedorov
On 25/05/16 15:34, Jeff Epler wrote: > Hi. Before I take the time to prepare a detailed bug report, I wanted to > ask whether I'm doing something that is expected to work, or expected not > to work. > > I am a developer of the LinuxCNC, Free and Open Source software for control > of milling machin

[Qemu-devel] qemu-arm-static, multiprocess, atomic

2016-05-25 Thread Jeff Epler
Hi. Before I take the time to prepare a detailed bug report, I wanted to ask whether I'm doing something that is expected to work, or expected not to work. I am a developer of the LinuxCNC, Free and Open Source software for control of milling machines, lathes, and so forth. Our software uses an