From: Chen Li <chenli@uniontech.com>
To: amd-gfx@lists.freedesktop.org
Cc: "Alex Deucher" <alexander.deucher@amd.com>,
"\"Christian König\"" <christian.koenig@amd.com>
Subject: [PATCH v2 2/3] drm/amdgpu: Use kvmalloc for CS chunks
Date: Wed, 03 Mar 2021 10:07:47 +0800 [thread overview]
Message-ID: <87r1kxt2fg.wl-chenli@uniontech.com> (raw)
In-Reply-To: <87tuptt2jk.wl-chenli@uniontech.com>
The number of chunks/chunks_array may be passed in
by userspace and can be large.
Signed-off-by: Chen Li <chenli@uniontech.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 3e240b952e79..aefb7e68977d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -117,7 +117,7 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs
if (cs->in.num_chunks == 0)
return 0;
- chunk_array = kmalloc_array(cs->in.num_chunks, sizeof(uint64_t), GFP_KERNEL);
+ chunk_array = kvmalloc_array(cs->in.num_chunks, sizeof(uint64_t), GFP_KERNEL);
if (!chunk_array)
return -ENOMEM;
@@ -144,7 +144,7 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs
}
p->nchunks = cs->in.num_chunks;
- p->chunks = kmalloc_array(p->nchunks, sizeof(struct amdgpu_cs_chunk),
+ p->chunks = kvmalloc_array(p->nchunks, sizeof(struct amdgpu_cs_chunk),
GFP_KERNEL);
if (!p->chunks) {
ret = -ENOMEM;
--
2.30.0
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next prev parent reply other threads:[~2021-03-03 2:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-03 2:05 [PATCH v2 0/3] Use kvmalloc_array for radeon and amdgpu CS chunks Chen Li
2021-03-03 2:06 ` [PATCH v2 1/3] drm/radeon: Use kvmalloc for " Chen Li
2021-03-03 2:07 ` Chen Li [this message]
2021-03-03 2:23 ` [PATCH v2 2/3] drm/amdgpu: " Alex Deucher
2021-03-03 3:14 ` [PATCH v2 2/3] drm/amdgpu: Use kvmalloc for CS chunks【Suspected phishing email, please pay attention to password security】 Chen Li
2021-03-03 2:08 ` [PATCH v2 3/3] drm/amdgpu: correct DRM_ERROR for kvmalloc_array Chen Li
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