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Message-ID: <201912101921.IdsErgf3%lkp@intel.com>
Date: Tue, 10 Dec 2019 19:26:39 +0800
From: kbuild test robot <lkp@...el.com>
To: Zhangfei Gao <zhangfei.gao@...aro.org>
Cc: kbuild-all@...ts.01.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Arnd Bergmann <arnd@...db.de>,
Herbert Xu <herbert@...dor.apana.org.au>,
jonathan.cameron@...wei.com, grant.likely@....com,
jean-philippe <jean-philippe@...aro.org>,
Jerome Glisse <jglisse@...hat.com>,
ilias.apalodimas@...aro.org, francois.ozog@...aro.org,
kenneth-lee-2012@...mail.com, Wangzhou <wangzhou1@...ilicon.com>,
"haojian . zhuang" <haojian.zhuang@...aro.org>,
guodong.xu@...aro.org, linux-accelerators@...ts.ozlabs.org,
linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
iommu@...ts.linux-foundation.org,
Kenneth Lee <liguozhu@...ilicon.com>,
Zaibo Xu <xuzaibo@...wei.com>,
Zhangfei Gao <zhangfei.gao@...aro.org>
Subject: Re: [RESEND PATCH v9 2/4] uacce: add uacce driver
Hi Zhangfei,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on cryptodev/master]
[also build test ERROR on crypto/master char-misc/char-misc-testing v5.5-rc1 next-20191209]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Zhangfei-Gao/Add-uacce-module-for-Accelerator/20191210-160210
base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
config: s390-allmodconfig (attached as .config)
compiler: s390-linux-gcc (GCC) 7.5.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.5.0 make.cross ARCH=s390
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>
All error/warnings (new ones prefixed by >>):
>> drivers/misc/uacce/uacce.c:112:15: error: variable 'uacce_sva_ops' has initializer but incomplete type
static struct iommu_sva_ops uacce_sva_ops = {
^~~~~~~~~~~~~
>> drivers/misc/uacce/uacce.c:113:3: error: 'struct iommu_sva_ops' has no member named 'mm_exit'
.mm_exit = uacce_sva_exit,
^~~~~~~
>> drivers/misc/uacce/uacce.c:113:13: warning: excess elements in struct initializer
.mm_exit = uacce_sva_exit,
^~~~~~~~~~~~~~
drivers/misc/uacce/uacce.c:113:13: note: (near initialization for 'uacce_sva_ops')
drivers/misc/uacce/uacce.c: In function 'uacce_mm_get':
>> drivers/misc/uacce/uacce.c:144:12: error: implicit declaration of function 'iommu_sva_bind_device'; did you mean 'bus_find_device'? [-Werror=implicit-function-declaration]
handle = iommu_sva_bind_device(uacce->parent, mm, uacce_mm);
^~~~~~~~~~~~~~~~~~~~~
bus_find_device
>> drivers/misc/uacce/uacce.c:144:10: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
handle = iommu_sva_bind_device(uacce->parent, mm, uacce_mm);
^
>> drivers/misc/uacce/uacce.c:148:9: error: implicit declaration of function 'iommu_sva_set_ops'; did you mean 'iommu_setup_dma_ops'? [-Werror=implicit-function-declaration]
ret = iommu_sva_set_ops(handle, &uacce_sva_ops);
^~~~~~~~~~~~~~~~~
iommu_setup_dma_ops
>> drivers/misc/uacce/uacce.c:152:21: error: implicit declaration of function 'iommu_sva_get_pasid' [-Werror=implicit-function-declaration]
uacce_mm->pasid = iommu_sva_get_pasid(handle);
^~~~~~~~~~~~~~~~~~~
>> drivers/misc/uacce/uacce.c:153:26: error: 'IOMMU_PASID_INVALID' undeclared (first use in this function); did you mean '_PAGE_INVALID'?
if (uacce_mm->pasid == IOMMU_PASID_INVALID)
^~~~~~~~~~~~~~~~~~~
_PAGE_INVALID
drivers/misc/uacce/uacce.c:153:26: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/misc/uacce/uacce.c:168:3: error: implicit declaration of function 'iommu_sva_unbind_device'; did you mean 'bus_find_device'? [-Werror=implicit-function-declaration]
iommu_sva_unbind_device(handle);
^~~~~~~~~~~~~~~~~~~~~~~
bus_find_device
drivers/misc/uacce/uacce.c: In function 'uacce_alloc':
>> drivers/misc/uacce/uacce.c:502:9: error: implicit declaration of function 'iommu_dev_enable_feature'; did you mean 'module_enable_ro'? [-Werror=implicit-function-declaration]
ret = iommu_dev_enable_feature(parent, IOMMU_DEV_FEAT_SVA);
^~~~~~~~~~~~~~~~~~~~~~~~
module_enable_ro
>> drivers/misc/uacce/uacce.c:502:42: error: 'IOMMU_DEV_FEAT_SVA' undeclared (first use in this function); did you mean 'NOMMU_VMFLAGS'?
ret = iommu_dev_enable_feature(parent, IOMMU_DEV_FEAT_SVA);
^~~~~~~~~~~~~~~~~~
NOMMU_VMFLAGS
>> drivers/misc/uacce/uacce.c:530:3: error: implicit declaration of function 'iommu_dev_disable_feature'; did you mean 'module_disable_ro'? [-Werror=implicit-function-declaration]
iommu_dev_disable_feature(uacce->parent, IOMMU_DEV_FEAT_SVA);
^~~~~~~~~~~~~~~~~~~~~~~~~
module_disable_ro
drivers/misc/uacce/uacce.c: In function 'uacce_remove':
drivers/misc/uacce/uacce.c:592:44: error: 'IOMMU_DEV_FEAT_SVA' undeclared (first use in this function); did you mean 'NOMMU_VMFLAGS'?
iommu_dev_disable_feature(uacce->parent, IOMMU_DEV_FEAT_SVA);
^~~~~~~~~~~~~~~~~~
NOMMU_VMFLAGS
drivers/misc/uacce/uacce.c: At top level:
>> drivers/misc/uacce/uacce.c:112:29: error: storage size of 'uacce_sva_ops' isn't known
static struct iommu_sva_ops uacce_sva_ops = {
^~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/uacce_sva_ops +112 drivers/misc/uacce/uacce.c
111
> 112 static struct iommu_sva_ops uacce_sva_ops = {
> 113 .mm_exit = uacce_sva_exit,
114 };
115
116 static struct uacce_mm *uacce_mm_get(struct uacce_device *uacce,
117 struct uacce_queue *q,
118 struct mm_struct *mm)
119 {
120 struct uacce_mm *uacce_mm = NULL;
121 struct iommu_sva *handle = NULL;
122 int ret;
123
124 lockdep_assert_held(&uacce->mm_lock);
125
126 list_for_each_entry(uacce_mm, &uacce->mm_list, list) {
127 if (uacce_mm->mm == mm) {
128 mutex_lock(&uacce_mm->lock);
129 list_add(&q->list, &uacce_mm->queues);
130 mutex_unlock(&uacce_mm->lock);
131 return uacce_mm;
132 }
133 }
134
135 uacce_mm = kzalloc(sizeof(*uacce_mm), GFP_KERNEL);
136 if (!uacce_mm)
137 return NULL;
138
139 if (uacce->flags & UACCE_DEV_SVA) {
140 /*
141 * Safe to pass an incomplete uacce_mm, since mm_exit cannot
142 * fire while we hold a reference to the mm.
143 */
> 144 handle = iommu_sva_bind_device(uacce->parent, mm, uacce_mm);
145 if (IS_ERR(handle))
146 goto err_free;
147
> 148 ret = iommu_sva_set_ops(handle, &uacce_sva_ops);
149 if (ret)
150 goto err_unbind;
151
> 152 uacce_mm->pasid = iommu_sva_get_pasid(handle);
> 153 if (uacce_mm->pasid == IOMMU_PASID_INVALID)
154 goto err_unbind;
155 }
156
157 uacce_mm->mm = mm;
158 uacce_mm->handle = handle;
159 INIT_LIST_HEAD(&uacce_mm->queues);
160 mutex_init(&uacce_mm->lock);
161 list_add(&q->list, &uacce_mm->queues);
162 list_add(&uacce_mm->list, &uacce->mm_list);
163
164 return uacce_mm;
165
166 err_unbind:
167 if (handle)
> 168 iommu_sva_unbind_device(handle);
169 err_free:
170 kfree(uacce_mm);
171 return NULL;
172 }
173
---
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