Messages in this thread | | | Date | Thu, 12 Mar 2015 22:47:54 +0000 | From | Matt Fleming <> | Subject | Re: Re: [PATCH v2 3/3] efi: Capsule update with user helper interface |
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On Tue, 10 Mar, at 08:51:59AM, Andy Lutomirski wrote: > > I'm not 100% happy with write(2) (which is all we have in sysfs) for > two reasons: > > 1. If we write a file name, eww. That's more complicated, requires > temporary files, has annoying mount namespace issues, etc. > > 2. If we write the full contents, we need to do it in a single call to > write. That means that we can't use cat, which mostly defeats the > purpose. In fact, using cat could be actively harmful.
At this point I'd really like Greg to chime in.
In principal, I'm not stricly opposed to using a simple char device provided that it's not essentially a copy and paste of code from drivers/base/firmware_class.c.
Greg?
-- Matt Fleming, Intel Open Source Technology Center
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