Re: [PATCH v2 4/9] x86, memcpy_mcsafe: add write-protection-fault handling

On Wed, May 2, 2018 at 10:29 PM, Mika Penttilä wrote: > On 05/03/2018 07:59 AM, Dan Williams wrote: >> In preparation for using memcpy_mcsafe() to handle user copies it needs >> to be to handle write-protection faults while writing user pages. Add >> MMU-fault handlers

Re: [PATCH v2 4/9] x86, memcpy_mcsafe: add write-protection-fault handling

On 05/03/2018 07:59 AM, Dan Williams wrote: > In preparation for using memcpy_mcsafe() to handle user copies it needs > to be to handle write-protection faults while writing user pages. Add > MMU-fault handlers alongside the machine-check exception handlers. > > Note that the machine check fault

[PATCH v2 4/9] x86, memcpy_mcsafe: add write-protection-fault handling

In preparation for using memcpy_mcsafe() to handle user copies it needs to be to handle write-protection faults while writing user pages. Add MMU-fault handlers alongside the machine-check exception handlers. Note that the machine check fault exception handling makes assumptions about source