On Thu, 3 Mar 2022 at 06:14, Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote: > > > On 2022/3/1 20:57, Ard Biesheuvel wrote: > > On Tue, 1 Mar 2022 at 11:34, Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote: > >> ... > >> Do you think the following adjustment make sense or it is definitely wrong? > >> > > I can only answer this if I understand which problem it solves. Why do > > you need the 2M alignment in this case? > > . > > Sorry for the late response，my purpose is that we don't want to enable > KPTI if > > KASLR is disabled. For now, if there are some firmware bug, the kernel > image is > > relocated which lead to kaslr_requires_kpti() returen > ture(kaslr_offset() > 0). > > the change to 2M alignment is a workaround and according to your > explanation, > > I don't think the workaround is necessary. I want to make sure that the > above > > scene is expected? thanks. > I don't think we need this.
