Re: [PATCH v2] target/arm: Enable FEAT_CMOW for -cpu max

2024-11-04 Thread Peter Maydell
On Mon, 4 Nov 2024 at 14:26, Gustavo Romero wrote: > > FEAT_CMOW introduces support for controlling cache maintenance > instructions executed in EL0/1 and is mandatory from Armv8.8. > > On real hardware, the main use for this feature is to prevent processes > from invalidating or flushing cache li

[PATCH v2] target/arm: Enable FEAT_CMOW for -cpu max

2024-11-04 Thread Gustavo Romero
FEAT_CMOW introduces support for controlling cache maintenance instructions executed in EL0/1 and is mandatory from Armv8.8. On real hardware, the main use for this feature is to prevent processes from invalidating or flushing cache lines for addresses they only have read permission, which can imp