Hi Guo,
On 19/06/2019 12:51, Guo Ren wrote:
On Wed, Jun 19, 2019 at 4:54 PM Julien Grall <julien.grall@xxxxxxx> wrote:
On 6/19/19 9:07 AM, Guo Ren wrote:
Hi Julien,
Hi,
You forgot CCing C-SKY folks :P
I wasn't aware you could be interested :).
Move arm asid allocator code in a generic one is a agood idea, I've
made a patchset for C-SKY and test is on processing, See:
https://lore.kernel.org/linux-csky/1560930553-26502-1-git-send-email-guoren@xxxxxxxxxx/
If you plan to seperate it into generic one, I could co-work with you.
Was the ASID allocator work out of box on C-Sky?
Almost done, but one question:
arm64 remove the code in switch_mm:
cpumask_clear_cpu(cpu, mm_cpumask(prev));
cpumask_set_cpu(cpu, mm_cpumask(next));
Why? Although arm64 cache operations could affect all harts with CTC
method of interconnect, I think we should
keep these code for primitive integrity in linux. Because cpu_bitmap
is in mm_struct instead of mm->context.
I will let Will answer to this.
[...]
If so, I can easily move the code in a generic place (maybe lib/asid.c).
I think it's OK.
Will emits concern to move the code in lib. So I will stick with what I
currently have.
Cheers,
--
Julien Grall
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