Re: [RFC] spectre hardware-software cooperative mitigation

2019-01-19 Thread Luke Kenneth Casson Leighton
On Friday, January 18, 2019, Alan Cox wrote: > > > This is going to be a mammoth task. The alternatives are to continue > > as things are, which is a mess that cannot be cleaned up by either of > > (mutually exclusive) hardware or software alone. > > > > Thoughts and feedback appreciated. > > You

Re: [RFC] spectre hardware-software cooperative mitigation

2019-01-18 Thread Alan Cox
> This is going to be a mammoth task. The alternatives are to continue > as things are, which is a mess that cannot be cleaned up by either of > (mutually exclusive) hardware or software alone. > > Thoughts and feedback appreciated. You need to be talking to the JIT developers not asking here I t

[RFC] spectre hardware-software cooperative mitigation

2019-01-14 Thread Luke Kenneth Casson Leighton
Hi all, please cc me on replies. Hardware discussion may be found here: https://groups.google.com/forum/?nomobile=true#!topic/comp.arch/mzXXTU2GUSo I am designing a new processor, based on RISCV, that is intended as a hybrid GPU VPU and CPU. For various reasons, it needs to be a multi-issue Out of