Re: [Qemu-arm] [Qemu-devel] [PATCH 1/3] tcg: Support MMU protection regions smaller than TARGET_PAGE_SIZE

[Max Filippov]

On Sat, Jun 30, 2018 at 1:10 PM, Peter Maydell <address@hidden> wrote:
> On 30 June 2018 at 21:08, Peter Maydell <address@hidden> wrote:
>> On 30 June 2018 at 20:42, Max Filippov <address@hidden> wrote:
>>> On Sat, Jun 30, 2018 at 12:20 PM, Max Filippov <address@hidden> wrote:
>>>> I'm observing the following failure with xtensa tests:
>>>>
>>>> (qemu) qemu: fatal: Unable to handle guest executing from RAM within a
>>>> small MPU region at 0xd0000804
>>>>
>>>> Bisection points to this patch. Any idea what happened?
>>>
>>> Ok, I think I've found the issue: the following check in the
>>> get_page_addr_code does not work correctly when -1 is in the
>>> addr_code in the QEMU TLB:
>>>
>>> if (unlikely(env->tlb_table[mmu_idx][index].addr_code & TLB_RECHECK))
>>
>> Yes, Laurent ran into that and I sent a fix out on Friday:
>> http://patchwork.ozlabs.org/project/qemu-devel/list/?series=52914
>
> ...oh, no, wait, you've hit the other bug I sent a fix for:
> http://patchwork.ozlabs.org/patch/937029/

Thanks, that last one fixes it for me.

-- 
Thanks.
-- Max