Re: [Qemu-devel] [PATCH v2 for-2.10 0/3] Fixup logic for exclusive pair

2017-08-15 Thread Peter Maydell
On 15 August 2017 at 15:57, Richard Henderson wrote: > In reviewing my previous patch, Peter pointed out that it is > CONSTRAINED UNPREDICTABLE what happens when you mix the number > of registers in a LDX[PR] + STX[RP] pair. So most of the bug > that I thought that I was fixing isn't a bug at all

[Qemu-devel] [PATCH v2 for-2.10 0/3] Fixup logic for exclusive pair

2017-08-15 Thread Richard Henderson
In reviewing my previous patch, Peter pointed out that it is CONSTRAINED UNPREDICTABLE what happens when you mix the number of registers in a LDX[PR] + STX[RP] pair. So most of the bug that I thought that I was fixing isn't a bug at all. That said, the patch does still fix a real bug wrt single-c