Re: [PATCH v4 1/2] cxl/core: introduce device reporting poison hanlding

2024-08-21 Thread Shiyang Ruan via
在 2024/8/9 2:28, Fan Ni 写道: On Thu, Aug 08, 2024 at 11:13:27PM +0800, Shiyang Ruan wrote: CXL device can find&report memory problems, even before MCE is detected by CPU. AFAIK, the current kernel only traces POISON error event from FW-First/OS-First path, but it doesn't handle them, neither

Re: [PATCH v4 1/2] cxl/core: introduce device reporting poison hanlding

2024-08-08 Thread Fan Ni
On Thu, Aug 08, 2024 at 11:13:27PM +0800, Shiyang Ruan wrote: > CXL device can find&report memory problems, even before MCE is detected > by CPU. AFAIK, the current kernel only traces POISON error event > from FW-First/OS-First path, but it doesn't handle them, neither > notify processes who are u

[PATCH v4 1/2] cxl/core: introduce device reporting poison hanlding

2024-08-08 Thread Shiyang Ruan via
CXL device can find&report memory problems, even before MCE is detected by CPU. AFAIK, the current kernel only traces POISON error event from FW-First/OS-First path, but it doesn't handle them, neither notify processes who are using the POISON page like MCE does. Thus, user have to read logs from