Messages in this thread | | | Date | Thu, 5 Jun 2014 15:21:18 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH] perf: fix kernel panic when parsing user space CS saved in pt_regs |
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On Thu, Jun 05, 2014 at 09:15:36PM +0800, Zhang, Yanmin wrote:
> Sorry for misleading you. It depends on backend. Pstore can use RAM or > other storage, for example, EFI-provided backend. If using EFI backend, > pstore can keep persistent across cold reset or even power outrages. > > If using RAM, usually pstore can keep persistent at WarmReset. Since RAM > access (even at non-cache mode) is fast and more flexible, in fact, we often use > RAM as backend of pstore.
Funny definition of persistent you end up with in that case... :-) But yes, that does explain. [unhandled content-type:application/pgp-signature] | |