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* [PATCH libdrm] amdgpu/basic_tests.c: check for fork
@ 2019-03-10  9:44 Fabrice Fontaine
  2019-03-11 16:40 ` Christian König
  0 siblings, 1 reply; 6+ messages in thread
From: Fabrice Fontaine @ 2019-03-10  9:44 UTC (permalink / raw)
  To: dri-devel; +Cc: Fabrice Fontaine

amdgpu test program use fork since
https://cgit.freedesktop.org/mesa/drm/commit/tests/amdgpu/basic_tests.c?id=736ef0b61cab55378202c5f49d91799cc2b99091

However, this function is not always available so add a check for it in
configure.ac and use it in tests/amdgpu/basic_tests.c

Fixes:
 - http://autobuild.buildroot.org/results/8d6194982c1080e173fcef8212fb06e6dc275d58

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
 configure.ac               | 2 ++
 tests/amdgpu/basic_tests.c | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/configure.ac b/configure.ac
index d72e84ad..6effb9a2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -193,6 +193,8 @@ AC_CHECK_FUNCS([open_memstream],
                [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 1, [Have open_memstream()])],
                [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 0)])
 
+AC_CHECK_FUNCS([fork])
+
 dnl Use lots of warning flags with with gcc and compatible compilers
 
 dnl Note: if you change the following variable, the cache is automatically
diff --git a/tests/amdgpu/basic_tests.c b/tests/amdgpu/basic_tests.c
index dbae4d53..c32a1351 100644
--- a/tests/amdgpu/basic_tests.c
+++ b/tests/amdgpu/basic_tests.c
@@ -1646,10 +1646,12 @@ static void amdgpu_userptr_test(void)
 	while (j++ < sdma_write_length)
 		pm4[i++] = 0xdeadbeaf;
 
+#ifdef HAVE_FORK
 	if (!fork()) {
 		pm4[0] = 0x0;
 		exit(0);
 	}
+#endif
 
 	amdgpu_test_exec_cs_helper(context_handle,
 				   AMDGPU_HW_IP_DMA, 0,
@@ -1675,7 +1677,9 @@ static void amdgpu_userptr_test(void)
 	r = amdgpu_cs_ctx_free(context_handle);
 	CU_ASSERT_EQUAL(r, 0);
 
+#ifdef HAVE_FORK
 	wait(NULL);
+#endif
 }
 
 static void amdgpu_sync_dependency_test(void)
-- 
2.20.1

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^ permalink raw reply related	[flat|nested] 6+ messages in thread
* Re: [PATCH libdrm] amdgpu/basic_tests.c: check for fork
  2019-03-10  9:44 [PATCH libdrm] amdgpu/basic_tests.c: check for fork Fabrice Fontaine
@ 2019-03-11 16:40 ` Christian König
  2019-03-11 17:17   ` Fabrice Fontaine
  0 siblings, 1 reply; 6+ messages in thread
From: Christian König @ 2019-03-11 16:40 UTC (permalink / raw)
  To: Fabrice Fontaine, dri-devel

Well NAK, cause that obviously would break the test if fork() isn't 
available.

We certainly don't have any platform where we support amdgpu and fork() 
is not available, so that change is rather pointless in the first place.

Christian.

Am 10.03.19 um 10:44 schrieb Fabrice Fontaine:
> amdgpu test program use fork since
> https://cgit.freedesktop.org/mesa/drm/commit/tests/amdgpu/basic_tests.c?id=736ef0b61cab55378202c5f49d91799cc2b99091
>
> However, this function is not always available so add a check for it in
> configure.ac and use it in tests/amdgpu/basic_tests.c
>
> Fixes:
>   - http://autobuild.buildroot.org/results/8d6194982c1080e173fcef8212fb06e6dc275d58
>
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> ---
>   configure.ac               | 2 ++
>   tests/amdgpu/basic_tests.c | 4 ++++
>   2 files changed, 6 insertions(+)
>
> diff --git a/configure.ac b/configure.ac
> index d72e84ad..6effb9a2 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -193,6 +193,8 @@ AC_CHECK_FUNCS([open_memstream],
>                  [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 1, [Have open_memstream()])],
>                  [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 0)])
>   
> +AC_CHECK_FUNCS([fork])
> +
>   dnl Use lots of warning flags with with gcc and compatible compilers
>   
>   dnl Note: if you change the following variable, the cache is automatically
> diff --git a/tests/amdgpu/basic_tests.c b/tests/amdgpu/basic_tests.c
> index dbae4d53..c32a1351 100644
> --- a/tests/amdgpu/basic_tests.c
> +++ b/tests/amdgpu/basic_tests.c
> @@ -1646,10 +1646,12 @@ static void amdgpu_userptr_test(void)
>   	while (j++ < sdma_write_length)
>   		pm4[i++] = 0xdeadbeaf;
>   
> +#ifdef HAVE_FORK
>   	if (!fork()) {
>   		pm4[0] = 0x0;
>   		exit(0);
>   	}
> +#endif
>   
>   	amdgpu_test_exec_cs_helper(context_handle,
>   				   AMDGPU_HW_IP_DMA, 0,
> @@ -1675,7 +1677,9 @@ static void amdgpu_userptr_test(void)
>   	r = amdgpu_cs_ctx_free(context_handle);
>   	CU_ASSERT_EQUAL(r, 0);
>   
> +#ifdef HAVE_FORK
>   	wait(NULL);
> +#endif
>   }
>   
>   static void amdgpu_sync_dependency_test(void)

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^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: [PATCH libdrm] amdgpu/basic_tests.c: check for fork
  2019-03-11 16:40 ` Christian König
@ 2019-03-11 17:17   ` Fabrice Fontaine
  2019-03-11 17:40     ` Koenig, Christian
  0 siblings, 1 reply; 6+ messages in thread
From: Fabrice Fontaine @ 2019-03-11 17:17 UTC (permalink / raw)
  To: christian.koenig; +Cc: dri-devel

OK, then will you accept a patch that disable amdgpu test if fork is
not available or a patch that disable all tests (for example through a
--disable-test-programs option)? Currently, the user can only disable
the cairo tests so the whole libdrm package fails to statically build
with uclibc-ng on ARM cortex M4
(http://autobuild.buildroot.org/?reason=libdrm-2.4.97).

Best Regards,

Fabrice

Le lun. 11 mars 2019 à 17:40, Christian König
<ckoenig.leichtzumerken@gmail.com> a écrit :
>
> Well NAK, cause that obviously would break the test if fork() isn't
> available.
>
> We certainly don't have any platform where we support amdgpu and fork()
> is not available, so that change is rather pointless in the first place.
>
> Christian.
>
> Am 10.03.19 um 10:44 schrieb Fabrice Fontaine:
> > amdgpu test program use fork since
> > https://cgit.freedesktop.org/mesa/drm/commit/tests/amdgpu/basic_tests.c?id=736ef0b61cab55378202c5f49d91799cc2b99091
> >
> > However, this function is not always available so add a check for it in
> > configure.ac and use it in tests/amdgpu/basic_tests.c
> >
> > Fixes:
> >   - http://autobuild.buildroot.org/results/8d6194982c1080e173fcef8212fb06e6dc275d58
> >
> > Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> > ---
> >   configure.ac               | 2 ++
> >   tests/amdgpu/basic_tests.c | 4 ++++
> >   2 files changed, 6 insertions(+)
> >
> > diff --git a/configure.ac b/configure.ac
> > index d72e84ad..6effb9a2 100644
> > --- a/configure.ac
> > +++ b/configure.ac
> > @@ -193,6 +193,8 @@ AC_CHECK_FUNCS([open_memstream],
> >                  [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 1, [Have open_memstream()])],
> >                  [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 0)])
> >
> > +AC_CHECK_FUNCS([fork])
> > +
> >   dnl Use lots of warning flags with with gcc and compatible compilers
> >
> >   dnl Note: if you change the following variable, the cache is automatically
> > diff --git a/tests/amdgpu/basic_tests.c b/tests/amdgpu/basic_tests.c
> > index dbae4d53..c32a1351 100644
> > --- a/tests/amdgpu/basic_tests.c
> > +++ b/tests/amdgpu/basic_tests.c
> > @@ -1646,10 +1646,12 @@ static void amdgpu_userptr_test(void)
> >       while (j++ < sdma_write_length)
> >               pm4[i++] = 0xdeadbeaf;
> >
> > +#ifdef HAVE_FORK
> >       if (!fork()) {
> >               pm4[0] = 0x0;
> >               exit(0);
> >       }
> > +#endif
> >
> >       amdgpu_test_exec_cs_helper(context_handle,
> >                                  AMDGPU_HW_IP_DMA, 0,
> > @@ -1675,7 +1677,9 @@ static void amdgpu_userptr_test(void)
> >       r = amdgpu_cs_ctx_free(context_handle);
> >       CU_ASSERT_EQUAL(r, 0);
> >
> > +#ifdef HAVE_FORK
> >       wait(NULL);
> > +#endif
> >   }
> >
> >   static void amdgpu_sync_dependency_test(void)
>
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^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: [PATCH libdrm] amdgpu/basic_tests.c: check for fork
  2019-03-11 17:17   ` Fabrice Fontaine
@ 2019-03-11 17:40     ` Koenig, Christian
  2019-03-11 22:25       ` Fabrice Fontaine
  0 siblings, 1 reply; 6+ messages in thread
From: Koenig, Christian @ 2019-03-11 17:40 UTC (permalink / raw)
  To: Fabrice Fontaine; +Cc: dri-devel

Am 11.03.19 um 18:17 schrieb Fabrice Fontaine:
> OK, then will you accept a patch that disable amdgpu test if fork is
> not available or a patch that disable all tests (for example through a
> --disable-test-programs option)?

No, we really need to test the correct behavior of fork() with userptrs.

So how do we spawn a child process with uclibc-ng?

I mean it is one of the most fundamental Unix functions, isn't it?

Christian.

>   Currently, the user can only disable
> the cairo tests so the whole libdrm package fails to statically build
> with uclibc-ng on ARM cortex M4
> (http://autobuild.buildroot.org/?reason=libdrm-2.4.97).
>
> Best Regards,
>
> Fabrice
>
> Le lun. 11 mars 2019 à 17:40, Christian König
> <ckoenig.leichtzumerken@gmail.com> a écrit :
>> Well NAK, cause that obviously would break the test if fork() isn't
>> available.
>>
>> We certainly don't have any platform where we support amdgpu and fork()
>> is not available, so that change is rather pointless in the first place.
>>
>> Christian.
>>
>> Am 10.03.19 um 10:44 schrieb Fabrice Fontaine:
>>> amdgpu test program use fork since
>>> https://cgit.freedesktop.org/mesa/drm/commit/tests/amdgpu/basic_tests.c?id=736ef0b61cab55378202c5f49d91799cc2b99091
>>>
>>> However, this function is not always available so add a check for it in
>>> configure.ac and use it in tests/amdgpu/basic_tests.c
>>>
>>> Fixes:
>>>    - http://autobuild.buildroot.org/results/8d6194982c1080e173fcef8212fb06e6dc275d58
>>>
>>> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
>>> ---
>>>    configure.ac               | 2 ++
>>>    tests/amdgpu/basic_tests.c | 4 ++++
>>>    2 files changed, 6 insertions(+)
>>>
>>> diff --git a/configure.ac b/configure.ac
>>> index d72e84ad..6effb9a2 100644
>>> --- a/configure.ac
>>> +++ b/configure.ac
>>> @@ -193,6 +193,8 @@ AC_CHECK_FUNCS([open_memstream],
>>>                   [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 1, [Have open_memstream()])],
>>>                   [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 0)])
>>>
>>> +AC_CHECK_FUNCS([fork])
>>> +
>>>    dnl Use lots of warning flags with with gcc and compatible compilers
>>>
>>>    dnl Note: if you change the following variable, the cache is automatically
>>> diff --git a/tests/amdgpu/basic_tests.c b/tests/amdgpu/basic_tests.c
>>> index dbae4d53..c32a1351 100644
>>> --- a/tests/amdgpu/basic_tests.c
>>> +++ b/tests/amdgpu/basic_tests.c
>>> @@ -1646,10 +1646,12 @@ static void amdgpu_userptr_test(void)
>>>        while (j++ < sdma_write_length)
>>>                pm4[i++] = 0xdeadbeaf;
>>>
>>> +#ifdef HAVE_FORK
>>>        if (!fork()) {
>>>                pm4[0] = 0x0;
>>>                exit(0);
>>>        }
>>> +#endif
>>>
>>>        amdgpu_test_exec_cs_helper(context_handle,
>>>                                   AMDGPU_HW_IP_DMA, 0,
>>> @@ -1675,7 +1677,9 @@ static void amdgpu_userptr_test(void)
>>>        r = amdgpu_cs_ctx_free(context_handle);
>>>        CU_ASSERT_EQUAL(r, 0);
>>>
>>> +#ifdef HAVE_FORK
>>>        wait(NULL);
>>> +#endif
>>>    }
>>>
>>>    static void amdgpu_sync_dependency_test(void)

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^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: [PATCH libdrm] amdgpu/basic_tests.c: check for fork
  2019-03-11 17:40     ` Koenig, Christian
@ 2019-03-11 22:25       ` Fabrice Fontaine
  2019-03-12  7:40         ` Koenig, Christian
  0 siblings, 1 reply; 6+ messages in thread
From: Fabrice Fontaine @ 2019-03-11 22:25 UTC (permalink / raw)
  To: Koenig, Christian; +Cc: dri-devel

OK, thanks for your input, I'll disable amdgpu on platforms without MMU.

Fabrice


Le lun. 11 mars 2019 à 18:40, Koenig, Christian
<Christian.Koenig@amd.com> a écrit :
>
> Am 11.03.19 um 18:17 schrieb Fabrice Fontaine:
> > OK, then will you accept a patch that disable amdgpu test if fork is
> > not available or a patch that disable all tests (for example through a
> > --disable-test-programs option)?
>
> No, we really need to test the correct behavior of fork() with userptrs.
>
> So how do we spawn a child process with uclibc-ng?
>
> I mean it is one of the most fundamental Unix functions, isn't it?
>
> Christian.
>
> >   Currently, the user can only disable
> > the cairo tests so the whole libdrm package fails to statically build
> > with uclibc-ng on ARM cortex M4
> > (http://autobuild.buildroot.org/?reason=libdrm-2.4.97).
> >
> > Best Regards,
> >
> > Fabrice
> >
> > Le lun. 11 mars 2019 à 17:40, Christian König
> > <ckoenig.leichtzumerken@gmail.com> a écrit :
> >> Well NAK, cause that obviously would break the test if fork() isn't
> >> available.
> >>
> >> We certainly don't have any platform where we support amdgpu and fork()
> >> is not available, so that change is rather pointless in the first place.
> >>
> >> Christian.
> >>
> >> Am 10.03.19 um 10:44 schrieb Fabrice Fontaine:
> >>> amdgpu test program use fork since
> >>> https://cgit.freedesktop.org/mesa/drm/commit/tests/amdgpu/basic_tests.c?id=736ef0b61cab55378202c5f49d91799cc2b99091
> >>>
> >>> However, this function is not always available so add a check for it in
> >>> configure.ac and use it in tests/amdgpu/basic_tests.c
> >>>
> >>> Fixes:
> >>>    - http://autobuild.buildroot.org/results/8d6194982c1080e173fcef8212fb06e6dc275d58
> >>>
> >>> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> >>> ---
> >>>    configure.ac               | 2 ++
> >>>    tests/amdgpu/basic_tests.c | 4 ++++
> >>>    2 files changed, 6 insertions(+)
> >>>
> >>> diff --git a/configure.ac b/configure.ac
> >>> index d72e84ad..6effb9a2 100644
> >>> --- a/configure.ac
> >>> +++ b/configure.ac
> >>> @@ -193,6 +193,8 @@ AC_CHECK_FUNCS([open_memstream],
> >>>                   [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 1, [Have open_memstream()])],
> >>>                   [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 0)])
> >>>
> >>> +AC_CHECK_FUNCS([fork])
> >>> +
> >>>    dnl Use lots of warning flags with with gcc and compatible compilers
> >>>
> >>>    dnl Note: if you change the following variable, the cache is automatically
> >>> diff --git a/tests/amdgpu/basic_tests.c b/tests/amdgpu/basic_tests.c
> >>> index dbae4d53..c32a1351 100644
> >>> --- a/tests/amdgpu/basic_tests.c
> >>> +++ b/tests/amdgpu/basic_tests.c
> >>> @@ -1646,10 +1646,12 @@ static void amdgpu_userptr_test(void)
> >>>        while (j++ < sdma_write_length)
> >>>                pm4[i++] = 0xdeadbeaf;
> >>>
> >>> +#ifdef HAVE_FORK
> >>>        if (!fork()) {
> >>>                pm4[0] = 0x0;
> >>>                exit(0);
> >>>        }
> >>> +#endif
> >>>
> >>>        amdgpu_test_exec_cs_helper(context_handle,
> >>>                                   AMDGPU_HW_IP_DMA, 0,
> >>> @@ -1675,7 +1677,9 @@ static void amdgpu_userptr_test(void)
> >>>        r = amdgpu_cs_ctx_free(context_handle);
> >>>        CU_ASSERT_EQUAL(r, 0);
> >>>
> >>> +#ifdef HAVE_FORK
> >>>        wait(NULL);
> >>> +#endif
> >>>    }
> >>>
> >>>    static void amdgpu_sync_dependency_test(void)
>
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^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: [PATCH libdrm] amdgpu/basic_tests.c: check for fork
  2019-03-11 22:25       ` Fabrice Fontaine
@ 2019-03-12  7:40         ` Koenig, Christian
  0 siblings, 0 replies; 6+ messages in thread
From: Koenig, Christian @ 2019-03-12  7:40 UTC (permalink / raw)
  To: Fabrice Fontaine; +Cc: dri-devel

AH, enlightenment!

Yeah, the whole kernel driver won't work on no-mmu platforms. So 
compiling the userspace parts doesn't make any sense either.

Thanks for clearing that up, it wasn't obvious to me why we had this 
limitation here.

Regards,
Christian.

Am 11.03.19 um 23:25 schrieb Fabrice Fontaine:
> OK, thanks for your input, I'll disable amdgpu on platforms without MMU.
>
> Fabrice
>
>
> Le lun. 11 mars 2019 à 18:40, Koenig, Christian
> <Christian.Koenig@amd.com> a écrit :
>> Am 11.03.19 um 18:17 schrieb Fabrice Fontaine:
>>> OK, then will you accept a patch that disable amdgpu test if fork is
>>> not available or a patch that disable all tests (for example through a
>>> --disable-test-programs option)?
>> No, we really need to test the correct behavior of fork() with userptrs.
>>
>> So how do we spawn a child process with uclibc-ng?
>>
>> I mean it is one of the most fundamental Unix functions, isn't it?
>>
>> Christian.
>>
>>>    Currently, the user can only disable
>>> the cairo tests so the whole libdrm package fails to statically build
>>> with uclibc-ng on ARM cortex M4
>>> (http://autobuild.buildroot.org/?reason=libdrm-2.4.97).
>>>
>>> Best Regards,
>>>
>>> Fabrice
>>>
>>> Le lun. 11 mars 2019 à 17:40, Christian König
>>> <ckoenig.leichtzumerken@gmail.com> a écrit :
>>>> Well NAK, cause that obviously would break the test if fork() isn't
>>>> available.
>>>>
>>>> We certainly don't have any platform where we support amdgpu and fork()
>>>> is not available, so that change is rather pointless in the first place.
>>>>
>>>> Christian.
>>>>
>>>> Am 10.03.19 um 10:44 schrieb Fabrice Fontaine:
>>>>> amdgpu test program use fork since
>>>>> https://cgit.freedesktop.org/mesa/drm/commit/tests/amdgpu/basic_tests.c?id=736ef0b61cab55378202c5f49d91799cc2b99091
>>>>>
>>>>> However, this function is not always available so add a check for it in
>>>>> configure.ac and use it in tests/amdgpu/basic_tests.c
>>>>>
>>>>> Fixes:
>>>>>     - http://autobuild.buildroot.org/results/8d6194982c1080e173fcef8212fb06e6dc275d58
>>>>>
>>>>> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
>>>>> ---
>>>>>     configure.ac               | 2 ++
>>>>>     tests/amdgpu/basic_tests.c | 4 ++++
>>>>>     2 files changed, 6 insertions(+)
>>>>>
>>>>> diff --git a/configure.ac b/configure.ac
>>>>> index d72e84ad..6effb9a2 100644
>>>>> --- a/configure.ac
>>>>> +++ b/configure.ac
>>>>> @@ -193,6 +193,8 @@ AC_CHECK_FUNCS([open_memstream],
>>>>>                    [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 1, [Have open_memstream()])],
>>>>>                    [AC_DEFINE([HAVE_OPEN_MEMSTREAM], 0)])
>>>>>
>>>>> +AC_CHECK_FUNCS([fork])
>>>>> +
>>>>>     dnl Use lots of warning flags with with gcc and compatible compilers
>>>>>
>>>>>     dnl Note: if you change the following variable, the cache is automatically
>>>>> diff --git a/tests/amdgpu/basic_tests.c b/tests/amdgpu/basic_tests.c
>>>>> index dbae4d53..c32a1351 100644
>>>>> --- a/tests/amdgpu/basic_tests.c
>>>>> +++ b/tests/amdgpu/basic_tests.c
>>>>> @@ -1646,10 +1646,12 @@ static void amdgpu_userptr_test(void)
>>>>>         while (j++ < sdma_write_length)
>>>>>                 pm4[i++] = 0xdeadbeaf;
>>>>>
>>>>> +#ifdef HAVE_FORK
>>>>>         if (!fork()) {
>>>>>                 pm4[0] = 0x0;
>>>>>                 exit(0);
>>>>>         }
>>>>> +#endif
>>>>>
>>>>>         amdgpu_test_exec_cs_helper(context_handle,
>>>>>                                    AMDGPU_HW_IP_DMA, 0,
>>>>> @@ -1675,7 +1677,9 @@ static void amdgpu_userptr_test(void)
>>>>>         r = amdgpu_cs_ctx_free(context_handle);
>>>>>         CU_ASSERT_EQUAL(r, 0);
>>>>>
>>>>> +#ifdef HAVE_FORK
>>>>>         wait(NULL);
>>>>> +#endif
>>>>>     }
>>>>>
>>>>>     static void amdgpu_sync_dependency_test(void)

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^ permalink raw reply	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2019-03-12  7:40 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-03-10  9:44 [PATCH libdrm] amdgpu/basic_tests.c: check for fork Fabrice Fontaine
2019-03-11 16:40 ` Christian König
2019-03-11 17:17   ` Fabrice Fontaine
2019-03-11 17:40     ` Koenig, Christian
2019-03-11 22:25       ` Fabrice Fontaine
2019-03-12  7:40         ` Koenig, Christian

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