Re: [PATCH] target/riscv: Fix satp write

[LIU Zhiwei]

On 2021/9/2 上午9:59, Bin Meng wrote:
> On Thu, Sep 2, 2021 at 9:02 AM LIU Zhiwei <zhiwei_liu@c-sky.com> wrote:
> > On 2021/9/1 下午9:05, Bin Meng wrote:
> > > On Wed, Sep 1, 2021 at 8:51 PM LIU Zhiwei <zhiwei_liu@c-sky.com> wrote:
> > > > These variables should be target_ulong. If truncated to int,
> > > > the bool conditions they indicate will be wrong.
> > > >
> > > > As satp is very important for Linux, this bug almost fails every boot.
> > > Could you please describe which Linux configuration is broken?
> > I use the image from:
> >
> > https://gitlab.com/c-sky/buildroot/-/jobs/1251564514/artifacts/browse/output/images/
> >
> > >    I have
> > > a 64-bit 5.10 kernel and it boots fine.
> > The login is mostly OK for me. But the busybox can't run properly.
> Which kernel version is this?
5.10.4
> Could you please investigate and
> indicate in the commit message?
>
> I just tested current qemu-system-riscv64 can boot to Ubuntu 20.04
> distro user space.

Very strange.  This will cause tlb_flush can't be called in this function.

Thanks,
Zhiwei

> Regards,
> Bin