Hi all,
On Fri, 12 Jun 2020 10:25:52 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> After merging the amdgpu tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c: In function 'kfd_sdma_activity_worker':
> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:118:2: error: implicit declaration of function 'use_mm' [-Werror=implicit-function-declaration]
> 118 | use_mm(mm);
> | ^~~~~~
> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:145:2: error: implicit declaration of function 'unuse_mm' [-Werror=implicit-function-declaration]
> 145 | unuse_mm(mm);
> | ^~~~~~~~
>
> Caused by commit
>
> 32cb59f31362 ("drm/amdkfd: Track SDMA utilization per process")
>
> interacting with commit
>
> f5678e7f2ac3 ("kernel: better document the use_mm/unuse_mm API contract")
>
> from Linus' tree.
>
> I have applied the following merge fix for today (that was previously
> part of the akpm tree).
The merge fix patch now looks like:
From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Date: Thu, 28 May 2020 20:15:34 +1000
Subject: [PATCH] drm/amdkfd: fix up for {un}use_mm() rename
Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdkfd/kfd_process.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 013c2b018edc..40695d52e9a8 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -184,7 +184,7 @@ static void kfd_sdma_activity_worker(struct work_struct *work)
if (!mm)
goto cleanup;
- use_mm(mm);
+ kthread_use_mm(mm);
list_for_each_entry(sdma_q, &sdma_q_list.list, list) {
val = 0;
@@ -198,7 +198,7 @@ static void kfd_sdma_activity_worker(struct work_struct *work)
}
}
- unuse_mm(mm);
+ kthread_unuse_mm(mm);
mmput(mm);
/*
--
Cheers,
Stephen Rothwell
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