[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Sat, 4 Apr 2020 11:40:56 +0200
From: Christoph Hellwig <hch@....de>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
Andrew Morton <akpm@...ux-foundation.org>
Cc: Al Viro <viro@...iv.linux.org.uk>,
Felix Kuehling <Felix.Kuehling@....com>,
Alex Deucher <alexander.deucher@....com>,
Zhenyu Wang <zhenyuw@...ux.intel.com>,
Zhi Wang <zhi.a.wang@...el.com>,
Felipe Balbi <balbi@...nel.org>,
"Michael S. Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>, Jens Axboe <axboe@...nel.dk>,
linux-kernel@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
intel-gvt-dev@...ts.freedesktop.org,
intel-gfx@...ts.freedesktop.org, linux-usb@...r.kernel.org,
virtualization@...ts.linux-foundation.org,
linux-fsdevel@...r.kernel.org, io-uring@...r.kernel.org,
linux-mm@...ck.org
Subject: [PATCH 1/6] amdgpu: a NULL ->mm does not mean a thread is a kthread
Use the proper API instead.
Fixes: 70539bd795002 ("drm/amd: Update MEC HQD loading code for KFD")
Signed-off-by: Christoph Hellwig <hch@....de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index 13feb313e9b3..4db143c19dcc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -190,7 +190,7 @@ uint8_t amdgpu_amdkfd_get_xgmi_hops_count(struct kgd_dev *dst, struct kgd_dev *s
pagefault_disable(); \
if ((mmptr) == current->mm) { \
valid = !get_user((dst), (wptr)); \
- } else if (current->mm == NULL) { \
+ } else if (current->flags & PF_KTHREAD) { \
use_mm(mmptr); \
valid = !get_user((dst), (wptr)); \
unuse_mm(mmptr); \
--
2.25.1
Powered by blists - more mailing lists