Messages in this thread | | | Date | Thu, 1 Dec 2016 14:57:54 -0500 | From | Yazen Ghannam <> | Subject | Re: linux-next: manual merge of the edac-amd tree with the edac tree |
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On Thu, Dec 01, 2016 at 07:15:01PM +0100, Borislav Petkov wrote: > On Thu, Dec 01, 2016 at 11:02:04AM -0500, Yazen Ghannam wrote: > > A deferred error is an uncorrectable error whose handling can be > > deferred, i.e. it's not urgent. This affects the system behavior, but > > I'm now thinking that this shouldn't affect users' behavior. I think it > > would be simpler to just classify deferred errors as uncorrectable > > errors so that users treat them as such. > > Why would we want to lie about deferred errors being uncorrectable? >
They are uncorrectable errors that can be handled differently. If you can't handle them then there's not much difference.
> And I believe deferred errors can be handled differently like freeze the > process using the page instead of killing it. And so on... >
If deferred errors can be handled differently in userspace, then you're right we should maintain the distinction. I was thinking we'd only handle them in the kernel.
> Why aren't you simply adding the documentation about > HW_EVENT_ERR_DEFERRED and be done with it? The downstream path like > tracepoint and all can handle all that just fine. >
Okay, will do.
> > Boris, > > Can we drop or revert commit d12a969ebbfc? > > No can do. It is a public branch and there's no touching it. >
Okay, got it.
Thanks, Yazen
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