On Wed, Oct 17, 2018 at 5:29 PM Kees Cook wrote:
>
> When ramoops reserved a memory region in the kernel, it had an unhelpful
> label of "persistent_memory". When reading /proc/iomem, it would be
> repeated many times, did not hint that it was ramoops in particular,
> and didn't clarify very much
On Wed, Oct 17, 2018 at 5:49 PM, Dan Williams wrote:
> On Wed, Oct 17, 2018 at 5:29 PM Kees Cook wrote:
>>
>> When ramoops reserved a memory region in the kernel, it had an unhelpful
>> label of "persistent_memory". When reading /proc/iomem, it would be
>> repeated many times, did not hint that i
[ add Ross ]
On Thu, Oct 18, 2018 at 12:15 AM Kees Cook wrote:
>
> On Wed, Oct 17, 2018 at 5:49 PM, Dan Williams
> wrote:
> > On Wed, Oct 17, 2018 at 5:29 PM Kees Cook wrote:
> >>
> >> When ramoops reserved a memory region in the kernel, it had an unhelpful
> >> label of "persistent_memory". W
On Thu, Oct 18, 2018 at 8:33 AM, Dan Williams wrote:
> [ add Ross ]
Hi Ross! :)
> On Thu, Oct 18, 2018 at 12:15 AM Kees Cook wrote:
>> As for nvdimm specifically, yes, I'd love to get pstore hooked up
>> correctly to nvdimm. How do the namespaces work? Right now pstore
>> depends one of platfor
On Thu, Oct 18, 2018 at 2:31 PM Kees Cook wrote:
>
> On Thu, Oct 18, 2018 at 8:33 AM, Dan Williams
> wrote:
> > [ add Ross ]
>
> Hi Ross! :)
>
> > On Thu, Oct 18, 2018 at 12:15 AM Kees Cook wrote:
> >> As for nvdimm specifically, yes, I'd love to get pstore hooked up
> >> correctly to nvdimm. H
On Thu, Oct 18, 2018 at 1:58 PM, Ross Zwisler wrote:
> On Thu, Oct 18, 2018 at 2:31 PM Kees Cook wrote:
>>
>> On Thu, Oct 18, 2018 at 8:33 AM, Dan Williams
>> wrote:
>> > [ add Ross ]
>>
>> Hi Ross! :)
>>
>> > On Thu, Oct 18, 2018 at 12:15 AM Kees Cook wrote:
>> >> As for nvdimm specifically,
On Thu, Oct 18, 2018 at 1:31 PM Kees Cook wrote:
>
> On Thu, Oct 18, 2018 at 8:33 AM, Dan Williams
> wrote:
> > [ add Ross ]
>
> Hi Ross! :)
>
> > On Thu, Oct 18, 2018 at 12:15 AM Kees Cook wrote:
> >> As for nvdimm specifically, yes, I'd love to get pstore hooked up
> >> correctly to nvdimm. H
On Thu, Oct 18, 2018 at 2:35 PM, Dan Williams wrote:
> On Thu, Oct 18, 2018 at 1:31 PM Kees Cook wrote:
>>
>> On Thu, Oct 18, 2018 at 8:33 AM, Dan Williams
>> wrote:
>> > [ add Ross ]
>>
>> Hi Ross! :)
>>
>> > On Thu, Oct 18, 2018 at 12:15 AM Kees Cook wrote:
>> >> As for nvdimm specifically,
On Thu, Oct 18, 2018 at 3:19 PM Kees Cook wrote:
>
> On Thu, Oct 18, 2018 at 2:35 PM, Dan Williams
> wrote:
> > On Thu, Oct 18, 2018 at 1:31 PM Kees Cook wrote:
[..]
> > I cringe at users picking addresses because someone is going to enable
> > ramoops on top of their persistent memory namespac
On Thu, Oct 18, 2018 at 3:23 PM, Dan Williams wrote:
> On Thu, Oct 18, 2018 at 3:19 PM Kees Cook wrote:
>>
>> On Thu, Oct 18, 2018 at 2:35 PM, Dan Williams
>> wrote:
>> > On Thu, Oct 18, 2018 at 1:31 PM Kees Cook wrote:
> [..]
>> > I cringe at users picking addresses because someone is going t
On Thu, Oct 18, 2018 at 3:26 PM Kees Cook wrote:
>
> On Thu, Oct 18, 2018 at 3:23 PM, Dan Williams
> wrote:
> > On Thu, Oct 18, 2018 at 3:19 PM Kees Cook wrote:
> >>
> >> On Thu, Oct 18, 2018 at 2:35 PM, Dan Williams
> >> wrote:
> >> > On Thu, Oct 18, 2018 at 1:31 PM Kees Cook wrote:
> > [..
> If the filesystem existed on the namespace before the user specified
> the ramoops command line then ramoops will clobber the filesystem and
> the user will only find out when mount later fails. All the kernel
> will say is:
>
> dev_warn(dev, "could not reserve region %pR\n", res);
>
> ...fro
On Thu, Oct 18, 2018 at 3:43 PM Luck, Tony wrote:
>
> > If the filesystem existed on the namespace before the user specified
> > the ramoops command line then ramoops will clobber the filesystem and
> > the user will only find out when mount later fails. All the kernel
> > will say is:
> >
> >
On Thu, Oct 18, 2018 at 3:33 PM, Dan Williams wrote:
> On Thu, Oct 18, 2018 at 3:26 PM Kees Cook wrote:
>>
>> On Thu, Oct 18, 2018 at 3:23 PM, Dan Williams
>> wrote:
>> > On Thu, Oct 18, 2018 at 3:19 PM Kees Cook wrote:
>> >>
>> >> On Thu, Oct 18, 2018 at 2:35 PM, Dan Williams
>> >> wrote:
>
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