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Hi, I’m writing this email behalf of my manager in Alibaba. Our team is working on a deep learning engine called MNN. We open sourced it this May. (Github link here: https://github.com/alibaba/MNN ). It has industry-leading blazing fast inference speed on mobile and it is tiny in size. In the internal experiments we ran, MNN outperforms other inference...

...ngs to do. Don't hesitate to contact me if you have any questions. Looking forward to your reply！ Thanks, Yunhai ------------------------------------------------------------------ 发件人：Chris Lattner <clattner at nondot.org> 发送时间：2020年8月21日(星期五) 08:42 收件人：Zeson <zixuan.wu at linux.alibaba.com> 抄　送：llvm-dev <llvm-dev at lists.llvm.org>; 尚云海 <yunhai.syh at alibaba-inc.com>; 戎杰杰(无音) <jiejie.rjj at alibaba-inc.com>; 瞿仙淼(杯茶) <xianmiao.qxm at alibaba-inc.com>; 沙钧(钧游) <shajun.sj at alibaba-inc.com>; 耿旗(丛丰) <forrest.gq at alibaba-inc.com> 主　题：Re: [llvm...

On Wed, Aug 16, 2023 at 10:24?AM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > On Wed, 16 Aug 2023 10:19:34 +0800, Jason Wang <jasowang at redhat.com> wrote: > > On Wed, Aug 16, 2023 at 10:16?AM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > > > > > On Wed, 16 Aug 2023 09:13:48 +0800, Jason Wang <jasowang a...

On Tue, 21 Mar 2023 19:58:49 +0800, Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > On Wed, 15 Mar 2023 12:10:34 +0800, Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > Due to historical reasons, the implementation of XDP in virtio-net is relatively > > chaotic. For example, the processing of XDP actions has two copies of similar > >...

On Thu, Mar 02, 2023 at 11:26:53AM +0800, Jason Wang wrote: > On Thu, Mar 2, 2023 at 11:24?AM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > > > On Thu, 2 Mar 2023 11:05:26 +0800, Jason Wang <jasowang at redhat.com> wrote: > > > On Thu, Mar 2, 2023 at 10:24?AM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > > > > > > > On Tue, 28 Feb 2023 19:15:23 +0800, Xu...

On Tue, 25 Jul 2023 19:07:23 +0800, Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > On Tue, 25 Jul 2023 03:34:34 -0400, "Michael S. Tsirkin" <mst at redhat.com> wrote: > > On Tue, Jul 25, 2023 at 10:13:48AM +0800, Xuan Zhuo wrote: > > > On Mon, 24 Jul 2023 09:43:42 -0700, Christoph Hellwig <hch at infradead.org> wrote: >...

...jasowang at redhat.com> > Signed-off-by: Eli Cohen <elic at nvidia.com> I have a question. Could you guys try with the recent XDP mergeable buffer rework? Does this address the performance issue you are observing? Specifically: Message-Id: <20230322025701.2955-1-xuanzhuo at linux.alibaba.com> Message-Id: <20230322030308.16046-1-xuanzhuo at linux.alibaba.com> I would very much appreciate if you posted perf numbers in response to that thread - both to help evaluate that patchset and this one. Thanks! > --- > drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 ++ > 1 file chan...

On Fri, Jul 28, 2023 at 02:02:33PM +0800, Xuan Zhuo wrote: > On Tue, 25 Jul 2023 19:07:23 +0800, Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > On Tue, 25 Jul 2023 03:34:34 -0400, "Michael S. Tsirkin" <mst at redhat.com> wrote: > > > On Tue, Jul 25, 2023 at 10:13:48AM +0800, Xuan Zhuo wrote: > > > > On Mon, 24 Jul 2023 09:43:42 -0700, Christoph Hellwig <hch at infradead.org&g...

On Thu, 2 Mar 2023 11:05:26 +0800, Jason Wang <jasowang at redhat.com> wrote: > On Thu, Mar 2, 2023 at 10:24?AM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > > > On Tue, 28 Feb 2023 19:15:23 +0800, Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > > On Tue, 21 Feb 2023 09:51:07 +0800, Jason Wang <jasowang at redhat.com> wrote: > > > > On Mon, Feb 20, 2023 at 3:02 PM Xuan Zhuo <xuanzhu...

Hi Andrew, There is an updated version v2, which describe more clearly about the case: https://lore.kernel.org/ocfs2-devel/e9fc4b2f-1fcc-7c31-f346-59eccff50f9b at linux.alibaba.com/T/#u Thanks, Joseph On 5/26/23 4:55 AM, Andrew Morton wrote: > The patch titled > Subject: ocfs2: fix use-after-free when unmounting read-only filesystem > has been added to the -mm mm-hotfixes-unstable branch. Its filename is > ocfs2-fix-use-after-free-when-unmounting-...

On Thu, Mar 2, 2023 at 10:24?AM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > On Tue, 28 Feb 2023 19:15:23 +0800, Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > On Tue, 21 Feb 2023 09:51:07 +0800, Jason Wang <jasowang at redhat.com> wrote: > > > On Mon, Feb 20, 2023 at 3:02 PM Xuan Zhuo <xuanzhuo at linux.alibaba.c...

On Mon, 20 Feb 2023 14:26:19 +0800 Joseph Qi <joseph.qi at linux.alibaba.com> wrote: > > Currently there is no tools triggering the above issues since > > defragfs.ocfs2 enables auto defrag by default. Test with manually > > changing defragfs.ocfs2 to run non auto defrag path. > > > > Signed-off-by: Heming Zhao <heming.zhao at suse....

On Tue, 28 Feb 2023 19:15:23 +0800, Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > On Tue, 21 Feb 2023 09:51:07 +0800, Jason Wang <jasowang at redhat.com> wrote: > > On Mon, Feb 20, 2023 at 3:02 PM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > > > > > On Mon, 20 Feb 2023 13:38:24 +0800, Jason Wang <jasowang at redh...

On Fri, 26 May 2023 09:36:25 +0800 Joseph Qi <joseph.qi at linux.alibaba.com> wrote: > Hi Andrew, > > There is an updated version v2, which describe more clearly about the > case: > https://lore.kernel.org/ocfs2-devel/e9fc4b2f-1fcc-7c31-f346-59eccff50f9b at linux.alibaba.com/T/#u Sigh. Thanks. As you can see from the above link, the email never hi...

On Mon, Feb 20, 2023 at 3:02 PM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > On Mon, 20 Feb 2023 13:38:24 +0800, Jason Wang <jasowang at redhat.com> wrote: > > On Tue, Feb 14, 2023 at 3:27 PM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > > > > > Added virtio_dma_map() to map DMA addresses for virtual memory...

On Mon, Feb 20, 2023 at 3:02 PM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > On Mon, 20 Feb 2023 13:38:24 +0800, Jason Wang <jasowang at redhat.com> wrote: > > On Tue, Feb 14, 2023 at 3:27 PM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > > > > > Added virtio_dma_map() to map DMA addresses for virtual memory...

On Tue, Apr 4, 2023 at 2:55?PM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > On Tue, 4 Apr 2023 14:35:05 +0800, Jason Wang <jasowang at redhat.com> wrote: > > On Tue, Apr 4, 2023 at 2:22?PM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > > > > > On Tue, 4 Apr 2023 13:04:02 +0800, Jason Wang <jasowang at re...

...age beyond EOF after failed write. Link: https://lkml.kernel.org/r/20230302153843.18499-1-jack at suse.cz Fixes: 6dbf7bb55598 ("fs: Don't invalidate page buffers in block_write_full_page()") Signed-off-by: Jan Kara <jack at suse.cz> Reviewed-by: Joseph Qi <joseph.qi at linux.alibaba.com> Cc: Mark Fasheh <mark at fasheh.com> Cc: Joel Becker <jlbec at evilplan.org> Cc: Junxiao Bi <junxiao.bi at oracle.com> Cc: Changwei Ge <gechangwei at live.cn> Cc: Gang He <ghe at suse.com> Cc: Jun Piao <piaojun at huawei.com> Cc: <stable at vger.kernel...

On Mon, 20 Feb 2023 13:38:20 +0800, Jason Wang <jasowang at redhat.com> wrote: > On Tue, Feb 14, 2023 at 3:27 PM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > > > These API has been introduced: > > > > * virtio_dma_need_sync > > * virtio_dma_sync_single_range_for_cpu > > * virtio_dma_sync_single_range_for_device > > What's the advantages of exporting internal logic like > virtio_dma_need...

...ocfs2_local_free_info(). When unmounting the filesystem, an UAF access to the oinfo will eventually cause a crash. Link: https://lkml.kernel.org/r/20230522102112.9031-1-lhenriques at suse.de Signed-off-by: Lu??s Henriques <lhenriques at suse.de> Reviewed-by: Joseph Qi <joseph.qi at linux.alibaba.com> Tested-by: Joseph Qi <joseph.qi at linux.alibaba.com> Cc: Mark Fasheh <mark at fasheh.com> Cc: Joel Becker <jlbec at evilplan.org> Cc: Junxiao Bi <junxiao.bi at oracle.com> Cc: Changwei Ge <gechangwei at live.cn> Cc: Gang He <ghe at suse.com> Cc: Jun Piao...