Re: [PATCH v3] dax: enable dax fault handler to report VM_FAULT_HWPOISON

On 5/4/2023 7:32 PM, Dan Williams wrote: Jane Chu wrote: When multiple processes mmap() a dax file, then at some point, a process issues a 'load' and consumes a hwpoison, the process receives a SIGBUS with si_code = BUS_MCEERR_AR and with si_lsb set for the poison scope. Soon after, any other pr

RE: [PATCH v3] dax: enable dax fault handler to report VM_FAULT_HWPOISON

Jane Chu wrote: > When multiple processes mmap() a dax file, then at some point, > a process issues a 'load' and consumes a hwpoison, the process > receives a SIGBUS with si_code = BUS_MCEERR_AR and with si_lsb > set for the poison scope. Soon after, any other process issues > a 'load' to the poiso