Re: [PATCH 2/5] target/arm: Enable FEAT_CSV2_3 for -cpu max

2024-04-18 Thread Philippe Mathieu-Daudé
On 18/4/24 17:20, Peter Maydell wrote: FEAT_CSV2_3 adds a mechanism to identify if hardware cannot disclose information about whether branch targets and branch history trained in one hardware described context can control speculative execution in a different hardware context. There is no branch

[PATCH 2/5] target/arm: Enable FEAT_CSV2_3 for -cpu max

2024-04-18 Thread Peter Maydell
FEAT_CSV2_3 adds a mechanism to identify if hardware cannot disclose information about whether branch targets and branch history trained in one hardware described context can control speculative execution in a different hardware context. There is no branch prediction in TCG, so we don't need to do