On Fri, 5 Jun 2020 at 05:17, Richard Henderson <richard.hender...@linaro.org> wrote: > > Record whether the backing page is anonymous, or if it has file > backing. This will allow us to get close to the Linux AArch64 > ABI for MTE, which allows tag memory only on ram-backed VMAs. > > The real ABI allows tag memory on files, when those files are > on ram-backed filesystems, such as tmpfs. We will not be able > to implement that in QEMU linux-user. > > Thankfully, anonymous memory for malloc arenas is the primary > consumer of this feature, so this restricted version should > still be of use. > > Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org> thanks -- PMM
