Re: [Qemu-devel] [PATCH] PPC: Fix sync instructions problem in SMP

2011-08-09 Thread Alexander Graf
On 08/04/2011 12:34 PM, Elie Richa wrote: bump. Anybody have opinions on this? I can provide a more thorough explanation of the problem if needed. I wrote the test case in Ada for an MPC8641D processor (2 e600 cores) on a board that is not yet submitted to the list, therefore I cannot provide

Re: [Qemu-devel] [PATCH] PPC: Fix sync instructions problem in SMP

2011-08-04 Thread Elie Richa
bump. Anybody have opinions on this? I can provide a more thorough explanation of the problem if needed. I wrote the test case in Ada for an MPC8641D processor (2 e600 cores) on a board that is not yet submitted to the list, therefore I cannot provide a ready to run binary. I can submit my boa

[Qemu-devel] [PATCH] PPC: Fix sync instructions problem in SMP

2011-07-22 Thread Elie Richa
In the current emulation of the load-and-reserve (lwarx) and store-conditional (stwcx.) instructions, the internal reservation mechanism is taken into account, however each CPU has its own reservation information and this information is not synchronized between CPUs to perform proper synchronizatio