From: kernel test robot <lkp@intel.com>
To: Xianting Tian <xianting.tian@linux.alibaba.com>,
gregkh@linuxfoundation.org, jirislaby@kernel.org,
amit@kernel.org, arnd@arndb.de, osandov@fb.com
Cc: clang-built-linux@googlegroups.com, kbuild-all@lists.01.org,
shile.zhang@linux.alibaba.com, linuxppc-dev@lists.ozlabs.org,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org,
Xianting Tian <xianting.tian@linux.alibaba.com>
Subject: Re: [PATCH v8 2/3] tty: hvc: pass DMA capable memory to put_chars()
Date: Thu, 19 Aug 2021 01:41:35 +0800 [thread overview]
Message-ID: <202108190121.uCUc1xqE-lkp@intel.com> (raw)
In-Reply-To: <20210818082122.166881-3-xianting.tian@linux.alibaba.com>
[-- Attachment #1: Type: text/plain, Size: 2642 bytes --]
Hi Xianting,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tty/tty-testing]
[also build test WARNING on char-misc/char-misc-testing soc/for-next v5.14-rc6 next-20210818]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Xianting-Tian/make-hvc-pass-dma-capable-memory-to-its-backend/20210818-162408
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: arm64-randconfig-r025-20210818 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d2b574a4dea5b718e4386bf2e26af0126e5978ce)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/0day-ci/linux/commit/e1b7662dafceb07a6905b64da2f1be27498c4a46
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Xianting-Tian/make-hvc-pass-dma-capable-memory-to-its-backend/20210818-162408
git checkout e1b7662dafceb07a6905b64da2f1be27498c4a46
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/tty/hvc/hvc_console.c:880:39: warning: incompatible integer to pointer conversion passing 'char' to parameter of type 'const char *'; take the address with & [-Wint-conversion]
n = hp->ops->put_chars(hp->vtermno, hp->out_ch, 1);
^~~~~~~~~~
&
1 warning generated.
vim +880 drivers/tty/hvc/hvc_console.c
870
871 static void hvc_poll_put_char(struct tty_driver *driver, int line, char ch)
872 {
873 struct tty_struct *tty = driver->ttys[0];
874 struct hvc_struct *hp = tty->driver_data;
875 int n;
876
877 hp->out_ch = ch;
878
879 do {
> 880 n = hp->ops->put_chars(hp->vtermno, hp->out_ch, 1);
881 } while (n <= 0);
882 }
883 #endif
884
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 33988 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: Xianting Tian <xianting.tian@linux.alibaba.com>,
gregkh@linuxfoundation.org, jirislaby@kernel.org,
amit@kernel.org, arnd@arndb.de, osandov@fb.com
Cc: kbuild-all@lists.01.org,
Xianting Tian <xianting.tian@linux.alibaba.com>,
shile.zhang@linux.alibaba.com, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
clang-built-linux@googlegroups.com,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v8 2/3] tty: hvc: pass DMA capable memory to put_chars()
Date: Thu, 19 Aug 2021 01:41:35 +0800 [thread overview]
Message-ID: <202108190121.uCUc1xqE-lkp@intel.com> (raw)
In-Reply-To: <20210818082122.166881-3-xianting.tian@linux.alibaba.com>
[-- Attachment #1: Type: text/plain, Size: 2642 bytes --]
Hi Xianting,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tty/tty-testing]
[also build test WARNING on char-misc/char-misc-testing soc/for-next v5.14-rc6 next-20210818]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Xianting-Tian/make-hvc-pass-dma-capable-memory-to-its-backend/20210818-162408
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: arm64-randconfig-r025-20210818 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d2b574a4dea5b718e4386bf2e26af0126e5978ce)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/0day-ci/linux/commit/e1b7662dafceb07a6905b64da2f1be27498c4a46
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Xianting-Tian/make-hvc-pass-dma-capable-memory-to-its-backend/20210818-162408
git checkout e1b7662dafceb07a6905b64da2f1be27498c4a46
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/tty/hvc/hvc_console.c:880:39: warning: incompatible integer to pointer conversion passing 'char' to parameter of type 'const char *'; take the address with & [-Wint-conversion]
n = hp->ops->put_chars(hp->vtermno, hp->out_ch, 1);
^~~~~~~~~~
&
1 warning generated.
vim +880 drivers/tty/hvc/hvc_console.c
870
871 static void hvc_poll_put_char(struct tty_driver *driver, int line, char ch)
872 {
873 struct tty_struct *tty = driver->ttys[0];
874 struct hvc_struct *hp = tty->driver_data;
875 int n;
876
877 hp->out_ch = ch;
878
879 do {
> 880 n = hp->ops->put_chars(hp->vtermno, hp->out_ch, 1);
881 } while (n <= 0);
882 }
883 #endif
884
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 33988 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: Xianting Tian <xianting.tian@linux.alibaba.com>,
gregkh@linuxfoundation.org, jirislaby@kernel.org,
amit@kernel.org, arnd@arndb.de, osandov@fb.com
Cc: kbuild-all@lists.01.org,
Xianting Tian <xianting.tian@linux.alibaba.com>,
shile.zhang@linux.alibaba.com, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
clang-built-linux@googlegroups.com,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v8 2/3] tty: hvc: pass DMA capable memory to put_chars()
Date: Thu, 19 Aug 2021 01:41:35 +0800 [thread overview]
Message-ID: <202108190121.uCUc1xqE-lkp@intel.com> (raw)
In-Reply-To: <20210818082122.166881-3-xianting.tian@linux.alibaba.com>
[-- Attachment #1: Type: text/plain, Size: 2642 bytes --]
Hi Xianting,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tty/tty-testing]
[also build test WARNING on char-misc/char-misc-testing soc/for-next v5.14-rc6 next-20210818]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Xianting-Tian/make-hvc-pass-dma-capable-memory-to-its-backend/20210818-162408
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: arm64-randconfig-r025-20210818 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d2b574a4dea5b718e4386bf2e26af0126e5978ce)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/0day-ci/linux/commit/e1b7662dafceb07a6905b64da2f1be27498c4a46
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Xianting-Tian/make-hvc-pass-dma-capable-memory-to-its-backend/20210818-162408
git checkout e1b7662dafceb07a6905b64da2f1be27498c4a46
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/tty/hvc/hvc_console.c:880:39: warning: incompatible integer to pointer conversion passing 'char' to parameter of type 'const char *'; take the address with & [-Wint-conversion]
n = hp->ops->put_chars(hp->vtermno, hp->out_ch, 1);
^~~~~~~~~~
&
1 warning generated.
vim +880 drivers/tty/hvc/hvc_console.c
870
871 static void hvc_poll_put_char(struct tty_driver *driver, int line, char ch)
872 {
873 struct tty_struct *tty = driver->ttys[0];
874 struct hvc_struct *hp = tty->driver_data;
875 int n;
876
877 hp->out_ch = ch;
878
879 do {
> 880 n = hp->ops->put_chars(hp->vtermno, hp->out_ch, 1);
881 } while (n <= 0);
882 }
883 #endif
884
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 33988 bytes --]
[-- Attachment #3: Type: text/plain, Size: 183 bytes --]
_______________________________________________
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v8 2/3] tty: hvc: pass DMA capable memory to put_chars()
Date: Thu, 19 Aug 2021 01:41:35 +0800 [thread overview]
Message-ID: <202108190121.uCUc1xqE-lkp@intel.com> (raw)
In-Reply-To: <20210818082122.166881-3-xianting.tian@linux.alibaba.com>
[-- Attachment #1: Type: text/plain, Size: 2701 bytes --]
Hi Xianting,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tty/tty-testing]
[also build test WARNING on char-misc/char-misc-testing soc/for-next v5.14-rc6 next-20210818]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Xianting-Tian/make-hvc-pass-dma-capable-memory-to-its-backend/20210818-162408
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: arm64-randconfig-r025-20210818 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d2b574a4dea5b718e4386bf2e26af0126e5978ce)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/0day-ci/linux/commit/e1b7662dafceb07a6905b64da2f1be27498c4a46
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Xianting-Tian/make-hvc-pass-dma-capable-memory-to-its-backend/20210818-162408
git checkout e1b7662dafceb07a6905b64da2f1be27498c4a46
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/tty/hvc/hvc_console.c:880:39: warning: incompatible integer to pointer conversion passing 'char' to parameter of type 'const char *'; take the address with & [-Wint-conversion]
n = hp->ops->put_chars(hp->vtermno, hp->out_ch, 1);
^~~~~~~~~~
&
1 warning generated.
vim +880 drivers/tty/hvc/hvc_console.c
870
871 static void hvc_poll_put_char(struct tty_driver *driver, int line, char ch)
872 {
873 struct tty_struct *tty = driver->ttys[0];
874 struct hvc_struct *hp = tty->driver_data;
875 int n;
876
877 hp->out_ch = ch;
878
879 do {
> 880 n = hp->ops->put_chars(hp->vtermno, hp->out_ch, 1);
881 } while (n <= 0);
882 }
883 #endif
884
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 33988 bytes --]
next prev parent reply other threads:[~2021-08-18 17:43 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-18 8:21 [PATCH v8 0/3] make hvc pass dma capable memory to its backend Xianting Tian
2021-08-18 8:21 ` Xianting Tian
2021-08-18 8:21 ` [PATCH v8 1/3] tty: hvc: use correct dma alignment size Xianting Tian
2021-08-18 8:21 ` Xianting Tian
2021-08-18 8:21 ` [PATCH v8 2/3] tty: hvc: pass DMA capable memory to put_chars() Xianting Tian
2021-08-18 8:21 ` Xianting Tian
2021-08-18 11:03 ` kernel test robot
2021-08-18 11:03 ` kernel test robot
2021-08-18 11:03 ` kernel test robot
2021-08-18 11:03 ` kernel test robot
2021-08-18 17:41 ` kernel test robot [this message]
2021-08-18 17:41 ` kernel test robot
2021-08-18 17:41 ` kernel test robot
2021-08-18 17:41 ` kernel test robot
2021-08-20 6:49 ` Daniel Axtens
2021-08-20 8:43 ` Xianting TIan
2021-09-18 12:32 ` Xianting Tian
2021-09-18 12:40 ` Greg KH
2021-09-18 12:40 ` Greg KH
2021-09-18 12:40 ` Greg KH
2021-09-18 12:47 ` Xianting Tian
2021-09-18 12:47 ` Xianting Tian
2021-08-20 12:34 ` Michael Ellerman
2021-08-20 12:34 ` Michael Ellerman
2021-08-18 8:21 ` [PATCH v8 3/3] virtio-console: remove unnecessary kmemdup() Xianting Tian
2021-08-18 8:21 ` Xianting Tian
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