Le 22/03/2018 à 12:13, Laurent Vivier a écrit :
> Le 22/03/2018 à 12:07, Peter Maydell a écrit :
>> On 22 March 2018 at 11:05, Peter Maydell wrote:
>>> On 22 March 2018 at 10:36, Laurent Vivier wrote:
It goes wrong in this part:
+ */
+if (is_write && info->si_signo ==
Le 22/03/2018 à 12:07, Peter Maydell a écrit :
> On 22 March 2018 at 11:05, Peter Maydell wrote:
>> On 22 March 2018 at 10:36, Laurent Vivier wrote:
>>> It goes wrong in this part:
>>>
>>> + */
>>> +if (is_write && info->si_signo == SIGSEGV && info->si_code ==
>>> SEGV_ACCERR &&
>>> +
On 22 March 2018 at 11:07, Laurent Vivier wrote:
> Le 22/03/2018 à 12:05, Peter Maydell a écrit :
>> On 22 March 2018 at 10:36, Laurent Vivier wrote:re.
>>> It goes wrong in this part:
>>>
>>> + */
>>> +if (is_write && info->si_signo == SIGSEGV && info->si_code ==
>>> SEGV_ACCERR &&
>>> +
On 22 March 2018 at 11:05, Peter Maydell wrote:
> On 22 March 2018 at 10:36, Laurent Vivier wrote:
>> It goes wrong in this part:
>>
>> + */
>> +if (is_write && info->si_signo == SIGSEGV && info->si_code ==
>> SEGV_ACCERR &&
>> +h2g_valid(address)) {
>>
>> Because, on ppc, si_code
Le 22/03/2018 à 12:05, Peter Maydell a écrit :
> On 22 March 2018 at 10:36, Laurent Vivier wrote:
>> Le 22/03/2018 à 02:52, Laurent Vivier a écrit :
>>> It seems this patch breaks something in linux-user mode emulation for
>>> m68k (32bit BE) on ppc (32bit BE).
>>>
>>> What I have:
>>>
>>> ~/chr
On 22 March 2018 at 10:36, Laurent Vivier wrote:
> Le 22/03/2018 à 02:52, Laurent Vivier a écrit :
>> It seems this patch breaks something in linux-user mode emulation for
>> m68k (32bit BE) on ppc (32bit BE).
>>
>> What I have:
>>
>> ~/chroot$ sudo QEMU_CPU=m68040 chroot m68k/sid/
>> I have n
Le 22/03/2018 à 02:52, Laurent Vivier a écrit :
> Le 23/01/2018 à 15:48, Laurent Vivier a écrit :
>> From: Peter Maydell
>>
>> If multiple guest threads in user-mode emulation write to a
>> page which QEMU has marked read-only because of cached TCG
>> translations, the threads can race in page_unp
Le 23/01/2018 à 15:48, Laurent Vivier a écrit :
> From: Peter Maydell
>
> If multiple guest threads in user-mode emulation write to a
> page which QEMU has marked read-only because of cached TCG
> translations, the threads can race in page_unprotect:
>
> * threads A & B both try to do a write t
From: Peter Maydell
If multiple guest threads in user-mode emulation write to a
page which QEMU has marked read-only because of cached TCG
translations, the threads can race in page_unprotect:
* threads A & B both try to do a write to a page with code in it at
the same time (ie which we've m
