Re: [PATCH net 4/4] vhost: log dirty page correctly

Hi Jason, I love your patch! Perhaps something to improve: [auto build test WARNING on net/master] url: https://github.com/0day-ci/linux/commits/Jason-Wang/Fix-various-issue-of-vhost/20181210-223236 config: x86_64-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 repr

Re: [PATCH net 4/4] vhost: log dirty page correctly

On Mon, Dec 10, 2018 at 11:14:41PM +0800, kbuild test robot wrote: > Hi Jason, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on net/master] > > url: > https://github.com/0day-ci/linux/commits/Jason-Wang/Fix-various-issue-of-vhost/20181210-223236 > config:

Re: [PATCH net 4/4] vhost: log dirty page correctly

Hi Jason, I love your patch! Perhaps something to improve: [auto build test WARNING on net/master] url: https://github.com/0day-ci/linux/commits/Jason-Wang/Fix-various-issue-of-vhost/20181210-223236 config: i386-randconfig-x072-201849 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.

[PATCH net 4/4] vhost: log dirty page correctly

Vhost dirty page logging API is designed to sync through GPA. But we try to log GIOVA when device IOTLB is enabled. This is wrong and may lead to missing data after migration. To solve this issue, when logging with device IOTLB enabled, we will: 1) reuse the device IOTLB translation result of GIO