Re: [PATCH 12/14] target/arm/ptw: Check for block descriptors at invalid levels

2023-07-23 Thread Richard Henderson
On 7/14/23 16:46, Peter Maydell wrote: The architecture doesn't permit block descriptors at any arbitrary level of the page table walk; it depends on the granule size which levels are permitted. We implemented only a partial version of this check which assumes that block descriptors are valid at

[PATCH 12/14] target/arm/ptw: Check for block descriptors at invalid levels

2023-07-14 Thread Peter Maydell
The architecture doesn't permit block descriptors at any arbitrary level of the page table walk; it depends on the granule size which levels are permitted. We implemented only a partial version of this check which assumes that block descriptors are valid at all levels except level 3, which meant t