From: kbuild test robot <lkp@intel.com>
To: Liang Li <liang.z.li@intel.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
virtio-dev@lists.oasis-open.org, kvm@vger.kernel.org,
qemu-devel@nongnu.org, quintela@redhat.com, dgilbert@redhat.com,
dave.hansen@intel.com, Liang Li <liang.z.li@intel.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Cornelia Huck <cornelia.huck@de.ibm.com>,
Amit Shah <amit.shah@redhat.com>
Subject: Re: [PATCH v3 kernel 4/7] virtio-balloon: speed up inflate/deflate process
Date: Mon, 8 Aug 2016 16:17:49 +0800 [thread overview]
Message-ID: <201608081626.EMzTs6Ov%fengguang.wu@intel.com> (raw)
In-Reply-To: <1470638134-24149-5-git-send-email-liang.z.li@intel.com>
[-- Attachment #1: Type: text/plain, Size: 3186 bytes --]
Hi Liang,
[auto build test WARNING on linus/master]
[also build test WARNING on v4.8-rc1 next-20160805]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Liang-Li/Extend-virtio-balloon-for-fast-de-inflating-fast-live-migration/20160808-144551
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=s390
All warnings (new ones prefixed by >>):
drivers/virtio/virtio_balloon.c: In function 'tell_host':
>> drivers/virtio/virtio_balloon.c:188:1: warning: the frame size of 1456 bytes is larger than 1024 bytes [-Wframe-larger-than=]
}
^
vim +188 drivers/virtio/virtio_balloon.c
112d1263 Liang Li 2016-08-08 172 msleep(2);
112d1263 Liang Li 2016-08-08 173 if (virtqueue_add_outbuf(vq, sg2, nr_buf, vb, GFP_KERNEL) == 0)
112d1263 Liang Li 2016-08-08 174 virtqueue_kick(vq);
6b35e407 Rusty Russell 2008-02-04 175
112d1263 Liang Li 2016-08-08 176 } else {
6b35e407 Rusty Russell 2008-02-04 177 sg_init_one(&sg, vb->pfns, sizeof(vb->pfns[0]) * vb->num_pfns);
6b35e407 Rusty Russell 2008-02-04 178
112d1263 Liang Li 2016-08-08 179 /* We should always be able to add one buffer to an empty
112d1263 Liang Li 2016-08-08 180 * queue. */
4951cc90 Rusty Russell 2014-03-13 181 virtqueue_add_outbuf(vq, &sg, 1, vb, GFP_KERNEL);
946cfe0e Michael S. Tsirkin 2010-04-12 182 virtqueue_kick(vq);
112d1263 Liang Li 2016-08-08 183 }
6b35e407 Rusty Russell 2008-02-04 184
6b35e407 Rusty Russell 2008-02-04 185 /* When host has read buffer, this completes via balloon_ack */
9c378abc Michael S. Tsirkin 2012-07-02 186 wait_event(vb->acked, virtqueue_get_buf(vq, &len));
fd0e21c3 Petr Mladek 2016-01-25 187
6b35e407 Rusty Russell 2008-02-04 @188 }
6b35e407 Rusty Russell 2008-02-04 189
87c9403b Michael S. Tsirkin 2016-05-17 190 static void set_page_pfns(struct virtio_balloon *vb,
87c9403b Michael S. Tsirkin 2016-05-17 191 __virtio32 pfns[], struct page *page)
3ccc9372 Michael S. Tsirkin 2012-04-12 192 {
3ccc9372 Michael S. Tsirkin 2012-04-12 193 unsigned int i;
3ccc9372 Michael S. Tsirkin 2012-04-12 194
3ccc9372 Michael S. Tsirkin 2012-04-12 195 /* Set balloon pfns pointing at this page.
3ccc9372 Michael S. Tsirkin 2012-04-12 196 * Note that the first pfn points at start of the page. */
:::::: The code at line 188 was first introduced by commit
:::::: 6b35e40767c6c1ac783330109ae8e0c09ea6bc82 virtio: balloon driver
:::::: TO: Rusty Russell <rusty@rustcorp.com.au>
:::::: CC: Rusty Russell <rusty@rustcorp.com.au>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
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WARNING: multiple messages have this Message-ID (diff)
From: kbuild test robot <lkp@intel.com>
To: Liang Li <liang.z.li@intel.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
virtio-dev@lists.oasis-open.org, kvm@vger.kernel.org,
qemu-devel@nongnu.org, quintela@redhat.com, dgilbert@redhat.com,
dave.hansen@intel.com, "Michael S. Tsirkin" <mst@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Cornelia Huck <cornelia.huck@de.ibm.com>,
Amit Shah <amit.shah@redhat.com>
Subject: Re: [PATCH v3 kernel 4/7] virtio-balloon: speed up inflate/deflate process
Date: Mon, 8 Aug 2016 16:17:49 +0800 [thread overview]
Message-ID: <201608081626.EMzTs6Ov%fengguang.wu@intel.com> (raw)
In-Reply-To: <1470638134-24149-5-git-send-email-liang.z.li@intel.com>
[-- Attachment #1: Type: text/plain, Size: 3186 bytes --]
Hi Liang,
[auto build test WARNING on linus/master]
[also build test WARNING on v4.8-rc1 next-20160805]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Liang-Li/Extend-virtio-balloon-for-fast-de-inflating-fast-live-migration/20160808-144551
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=s390
All warnings (new ones prefixed by >>):
drivers/virtio/virtio_balloon.c: In function 'tell_host':
>> drivers/virtio/virtio_balloon.c:188:1: warning: the frame size of 1456 bytes is larger than 1024 bytes [-Wframe-larger-than=]
}
^
vim +188 drivers/virtio/virtio_balloon.c
112d1263 Liang Li 2016-08-08 172 msleep(2);
112d1263 Liang Li 2016-08-08 173 if (virtqueue_add_outbuf(vq, sg2, nr_buf, vb, GFP_KERNEL) == 0)
112d1263 Liang Li 2016-08-08 174 virtqueue_kick(vq);
6b35e407 Rusty Russell 2008-02-04 175
112d1263 Liang Li 2016-08-08 176 } else {
6b35e407 Rusty Russell 2008-02-04 177 sg_init_one(&sg, vb->pfns, sizeof(vb->pfns[0]) * vb->num_pfns);
6b35e407 Rusty Russell 2008-02-04 178
112d1263 Liang Li 2016-08-08 179 /* We should always be able to add one buffer to an empty
112d1263 Liang Li 2016-08-08 180 * queue. */
4951cc90 Rusty Russell 2014-03-13 181 virtqueue_add_outbuf(vq, &sg, 1, vb, GFP_KERNEL);
946cfe0e Michael S. Tsirkin 2010-04-12 182 virtqueue_kick(vq);
112d1263 Liang Li 2016-08-08 183 }
6b35e407 Rusty Russell 2008-02-04 184
6b35e407 Rusty Russell 2008-02-04 185 /* When host has read buffer, this completes via balloon_ack */
9c378abc Michael S. Tsirkin 2012-07-02 186 wait_event(vb->acked, virtqueue_get_buf(vq, &len));
fd0e21c3 Petr Mladek 2016-01-25 187
6b35e407 Rusty Russell 2008-02-04 @188 }
6b35e407 Rusty Russell 2008-02-04 189
87c9403b Michael S. Tsirkin 2016-05-17 190 static void set_page_pfns(struct virtio_balloon *vb,
87c9403b Michael S. Tsirkin 2016-05-17 191 __virtio32 pfns[], struct page *page)
3ccc9372 Michael S. Tsirkin 2012-04-12 192 {
3ccc9372 Michael S. Tsirkin 2012-04-12 193 unsigned int i;
3ccc9372 Michael S. Tsirkin 2012-04-12 194
3ccc9372 Michael S. Tsirkin 2012-04-12 195 /* Set balloon pfns pointing at this page.
3ccc9372 Michael S. Tsirkin 2012-04-12 196 * Note that the first pfn points at start of the page. */
:::::: The code at line 188 was first introduced by commit
:::::: 6b35e40767c6c1ac783330109ae8e0c09ea6bc82 virtio: balloon driver
:::::: TO: Rusty Russell <rusty@rustcorp.com.au>
:::::: CC: Rusty Russell <rusty@rustcorp.com.au>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/octet-stream, Size: 16210 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: kbuild test robot <lkp@intel.com>
To: Liang Li <liang.z.li@intel.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
virtio-dev@lists.oasis-open.org, kvm@vger.kernel.org,
qemu-devel@nongnu.org, quintela@redhat.com, dgilbert@redhat.com,
dave.hansen@intel.com, "Michael S. Tsirkin" <mst@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Cornelia Huck <cornelia.huck@de.ibm.com>,
Amit Shah <amit.shah@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v3 kernel 4/7] virtio-balloon: speed up inflate/deflate process
Date: Mon, 8 Aug 2016 16:17:49 +0800 [thread overview]
Message-ID: <201608081626.EMzTs6Ov%fengguang.wu@intel.com> (raw)
In-Reply-To: <1470638134-24149-5-git-send-email-liang.z.li@intel.com>
[-- Attachment #1: Type: text/plain, Size: 3186 bytes --]
Hi Liang,
[auto build test WARNING on linus/master]
[also build test WARNING on v4.8-rc1 next-20160805]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Liang-Li/Extend-virtio-balloon-for-fast-de-inflating-fast-live-migration/20160808-144551
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=s390
All warnings (new ones prefixed by >>):
drivers/virtio/virtio_balloon.c: In function 'tell_host':
>> drivers/virtio/virtio_balloon.c:188:1: warning: the frame size of 1456 bytes is larger than 1024 bytes [-Wframe-larger-than=]
}
^
vim +188 drivers/virtio/virtio_balloon.c
112d1263 Liang Li 2016-08-08 172 msleep(2);
112d1263 Liang Li 2016-08-08 173 if (virtqueue_add_outbuf(vq, sg2, nr_buf, vb, GFP_KERNEL) == 0)
112d1263 Liang Li 2016-08-08 174 virtqueue_kick(vq);
6b35e407 Rusty Russell 2008-02-04 175
112d1263 Liang Li 2016-08-08 176 } else {
6b35e407 Rusty Russell 2008-02-04 177 sg_init_one(&sg, vb->pfns, sizeof(vb->pfns[0]) * vb->num_pfns);
6b35e407 Rusty Russell 2008-02-04 178
112d1263 Liang Li 2016-08-08 179 /* We should always be able to add one buffer to an empty
112d1263 Liang Li 2016-08-08 180 * queue. */
4951cc90 Rusty Russell 2014-03-13 181 virtqueue_add_outbuf(vq, &sg, 1, vb, GFP_KERNEL);
946cfe0e Michael S. Tsirkin 2010-04-12 182 virtqueue_kick(vq);
112d1263 Liang Li 2016-08-08 183 }
6b35e407 Rusty Russell 2008-02-04 184
6b35e407 Rusty Russell 2008-02-04 185 /* When host has read buffer, this completes via balloon_ack */
9c378abc Michael S. Tsirkin 2012-07-02 186 wait_event(vb->acked, virtqueue_get_buf(vq, &len));
fd0e21c3 Petr Mladek 2016-01-25 187
6b35e407 Rusty Russell 2008-02-04 @188 }
6b35e407 Rusty Russell 2008-02-04 189
87c9403b Michael S. Tsirkin 2016-05-17 190 static void set_page_pfns(struct virtio_balloon *vb,
87c9403b Michael S. Tsirkin 2016-05-17 191 __virtio32 pfns[], struct page *page)
3ccc9372 Michael S. Tsirkin 2012-04-12 192 {
3ccc9372 Michael S. Tsirkin 2012-04-12 193 unsigned int i;
3ccc9372 Michael S. Tsirkin 2012-04-12 194
3ccc9372 Michael S. Tsirkin 2012-04-12 195 /* Set balloon pfns pointing at this page.
3ccc9372 Michael S. Tsirkin 2012-04-12 196 * Note that the first pfn points at start of the page. */
:::::: The code at line 188 was first introduced by commit
:::::: 6b35e40767c6c1ac783330109ae8e0c09ea6bc82 virtio: balloon driver
:::::: TO: Rusty Russell <rusty@rustcorp.com.au>
:::::: CC: Rusty Russell <rusty@rustcorp.com.au>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/octet-stream, Size: 16210 bytes --]
next prev parent reply other threads:[~2016-08-08 8:18 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-08 6:35 [PATCH v3 kernel 0/7] Extend virtio-balloon for fast (de)inflating & fast live migration Liang Li
2016-08-08 6:35 ` [Qemu-devel] " Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` [PATCH v3 kernel 1/7] virtio-balloon: rework deflate to add page to a list Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` [Qemu-devel] " Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` [PATCH v3 kernel 2/7] virtio-balloon: define new feature bit and page bitmap head Liang Li
2016-08-08 6:35 ` [Qemu-devel] " Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` [PATCH v3 kernel 3/7] mm: add a function to get the max pfn Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` [Qemu-devel] " Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` [PATCH v3 kernel 4/7] virtio-balloon: speed up inflate/deflate process Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` [Qemu-devel] " Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 8:17 ` kbuild test robot
2016-08-08 8:17 ` kbuild test robot [this message]
2016-08-08 8:17 ` [Qemu-devel] " kbuild test robot
2016-08-08 8:17 ` kbuild test robot
2016-08-08 6:35 ` [PATCH v3 kernel 5/7] mm: add the related functions to get unused page Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` [Qemu-devel] " Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` [PATCH v3 kernel 6/7] virtio-balloon: define feature bit and head for misc virt queue Liang Li
2016-08-08 6:35 ` [Qemu-devel] " Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` [PATCH v3 kernel 7/7] virtio-balloon: tell host vm's unused page info Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 6:35 ` [Qemu-devel] " Liang Li
2016-08-08 6:35 ` Liang Li
2016-08-08 16:15 ` [PATCH v3 kernel 0/7] Extend virtio-balloon for fast (de)inflating & fast live migration Dave Hansen
2016-08-08 16:15 ` [Qemu-devel] " Dave Hansen
2016-08-08 16:15 ` Dave Hansen
2016-08-09 2:52 ` Li, Liang Z
2016-08-09 2:52 ` [Qemu-devel] " Li, Liang Z
2016-08-09 2:52 ` Li, Liang Z
2016-08-09 2:52 ` Li, Liang Z
2016-08-09 2:52 ` Li, Liang Z
2016-08-08 16:15 ` Dave Hansen
2016-08-18 1:05 ` Li, Liang Z
2016-08-18 1:05 ` [Qemu-devel] " Li, Liang Z
2016-08-18 1:05 ` Li, Liang Z
2016-08-31 6:28 ` Li, Liang Z
2016-08-31 6:28 ` [Qemu-devel] " Li, Liang Z
2016-08-31 6:28 ` Li, Liang Z
2016-08-31 6:28 ` Li, Liang Z
2016-08-31 6:28 ` Li, Liang Z
2016-08-18 1:05 ` Li, Liang Z
2016-09-01 4:30 ` Wanpeng Li
2016-09-01 4:30 ` Wanpeng Li
2016-09-01 4:30 ` [Qemu-devel] " Wanpeng Li
2016-09-01 4:30 ` Wanpeng Li
2016-09-01 5:46 ` Li, Liang Z
2016-09-01 5:46 ` [Qemu-devel] " Li, Liang Z
2016-09-01 5:46 ` Li, Liang Z
2016-09-01 5:46 ` Li, Liang Z
2016-09-01 6:01 ` Wanpeng Li
2016-09-01 6:01 ` [Qemu-devel] " Wanpeng Li
2016-09-01 6:01 ` Wanpeng Li
2016-09-01 6:01 ` Wanpeng Li
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