From: Randy Dunlap <rdunlap@infradead.org>
To: Michael Ellerman <mpe@ellerman.id.au>, linux-kernel@vger.kernel.org
Cc: "Gautham R . Shenoy" <ego@linux.vnet.ibm.com>,
"Felix Kuehling" <Felix.Kuehling@amd.com>,
"Pan, Xinhui" <Xinhui.Pan@amd.com>,
"Nicholas Piggin" <npiggin@gmail.com>,
amd-gfx@lists.freedesktop.org,
"Alex Deucher" <alexander.deucher@amd.com>,
linuxppc-dev@lists.ozlabs.org,
"Christian König" <christian.koenig@amd.com>
Subject: Re: [PATCH] powerpc: export cpu_smallcore_map for modules
Date: Sun, 21 Aug 2022 20:53:19 -0700 [thread overview]
Message-ID: <f7214c7d-d573-ef4a-413d-28a63d293838@infradead.org> (raw)
In-Reply-To: <87o7wdkkt4.fsf@mpe.ellerman.id.au>
On 8/21/22 20:40, Michael Ellerman wrote:
> Randy Dunlap <rdunlap@infradead.org> writes:
>> Fix build error when CONFIG_DRM_AMDGPU=m:
>>
>> ERROR: modpost: "cpu_smallcore_map" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>
>> by exporting 'cpu_smallcore_map' just as other per_cpu
>> symbols are exported.
>>
>> drivers/gpu/drm/amd/amdkfd/kfd_device.c calls cpu_smt_mask().
>> This is an inline function on powerpc which references
>> cpu_smallcore_map.
>>
>> Fixes: 425752c63b6f ("powerpc: Detect the presence of big-cores via "ibm, thread-groups"")
>> Fixes: 7bc913085765 ("drm/amdkfd: Try to schedule bottom half on same core")
>
> That 2nd commit is not in mainline, only linux-next.
>
> I don't mind merging this fix preemptively, but is that SHA stable?
Felix, Alex, can you answer that, please?
--
~Randy
next prev parent reply other threads:[~2022-08-22 3:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-19 21:01 [PATCH] powerpc: export cpu_smallcore_map for modules Randy Dunlap
2022-08-19 22:14 ` Felix Kuehling
2022-08-19 22:18 ` Alex Deucher
2022-08-22 3:40 ` Michael Ellerman
2022-08-22 3:53 ` Randy Dunlap [this message]
2022-08-22 11:30 ` Christoph Hellwig
2022-08-22 13:31 ` Alex Deucher
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