Re: [PATCHV3 3/3] x86, ras: Add mcsafe_memcpy() function to recover from machine checks

[Borislav Petkov]

On Wed, Dec 23, 2015 at 12:46:20PM -0800, Tony Luck wrote:
> > I know, memcpy returns the ptr to @dest like a parrot
> 
> Maybe I need to change the name to remove the
> "memcpy" substring to avoid this confusion. How
> about "mcsafe_copy()"? Perhaps with a "__" prefix
> to point out it is a building block that will get various
> wrappers around it??
> 
> Dan wants a copy_from_nvdimm() that either completes
> the copy, or indicates where a machine check occurred.
> 
> I'm going to want a copy_from_user() that has two fault
> options (user gave a bad address -> -EFAULT, or the
> source address had an uncorrected error -> SIGBUS).

Sounds like standard kernel design to me. :)

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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