Re: [PATCH for-8.0 11/11] linux-user/arm: Take more care allocating commpage

[Philippe Mathieu-Daudé]

On 27/3/23 10:38, Alex Bennée wrote:
> Richard Henderson <richard.henderson@linaro.org> writes:
>
> > User setting of -R reserved_va can lead to an assertion
> > failure in page_set_flags.  Sanity check the value of
> > reserved_va and print an error message instead.  Do not
> > allocate a commpage at all for m-profile cpus.
>
> I see this:
>
>    TEST    convd on i386
> qemu-i386: Unable to reserve 0x100000000 bytes of virtual address space
> at 0x8000 (File exists) for use as guest address space (check your
> virtual memory ulimit setting, min_mmap_addr or reserve less using -R
> option)

Maybe revealing some pre-existing issue?
https://gitlab.com/qemu-project/qemu/-/issues/447

> on the ubuntu aarch64 static build:
>
>    https://gitlab.com/stsquad/qemu/-/jobs/4003523064
>
> > Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> > ---
> >   linux-user/elfload.c | 37 +++++++++++++++++++++++++++----------
> >   1 file changed, 27 insertions(+), 10 deletions(-)