On Thu, Nov 03 2022, Peter Collingbourne <pcc@xxxxxxxxxx> wrote: > Certain VMMs such as crosvm have features (e.g. sandboxing) that depend > on being able to map guest memory as MAP_SHARED. The current restriction > on sharing MAP_SHARED pages with the guest is preventing the use of > those features with MTE. Now that the races between tasks concurrently > clearing tags on the same page have been fixed, remove this restriction. > > Note that this is a relaxation of the ABI. > > Signed-off-by: Peter Collingbourne <pcc@xxxxxxxxxx> > Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx> > Reviewed-by: Steven Price <steven.price@xxxxxxx> > --- > arch/arm64/kvm/mmu.c | 8 -------- > 1 file changed, 8 deletions(-) Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
