On 6/25/20 9:20 AM, Peter Maydell wrote: > On Fri, 5 Jun 2020 at 05:17, Richard Henderson >> @@ -787,9 +788,11 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong >> old_size, >> new_addr = -1; >> } else { >> new_addr = h2g(host_addr); >> + /* FIXME: Move page flags and target_data for each page. */ > > Is this something we're going to address later in the patchset?
I've removed the comment. The mremap system call is not as general as I think it should be. It only applies to MAP_SHARED vmas and returns EINVAL on MAP_PRIVATE. Therefore, at least for the MTE usage of target_data, there cannot be any. r~