From: Matt Fleming <matt@console-pimps.org>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Peter Jones <pjones@redhat.com>,
"Kweh, Hock Leong" <hock.leong.kweh@intel.com>,
Sam Protsenko <semen.protsenko@linaro.org>,
Ming Lei <ming.lei@canonical.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Ong, Boon Leong" <boon.leong.ong@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>
Subject: Re: Re: [PATCH v2 3/3] efi: Capsule update with user helper interface
Date: Thu, 12 Mar 2015 22:47:54 +0000 [thread overview]
Message-ID: <20150312224754.GD24174@codeblueprint.co.uk> (raw)
In-Reply-To: <CALCETrUDuTt_BK1JSFU=_EEujpm1ekzmkte-c3vxuRW7hWPUPQ@mail.gmail.com>
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
next prev parent reply other threads:[~2015-03-12 22:48 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <F54AEECA5E2B9541821D670476DAE19C2B8AC95C@PGSMSX102.gar.corp.intel.com>
2015-02-24 12:49 ` Re: [PATCH v2 3/3] efi: Capsule update with user helper interface Kweh, Hock Leong
2015-02-25 11:47 ` Borislav Petkov
2015-02-25 12:38 ` Kweh, Hock Leong
2015-02-25 12:49 ` Borislav Petkov
2015-02-26 15:30 ` Andy Lutomirski
2015-02-26 15:54 ` Borislav Petkov
2015-03-02 11:24 ` Matt Fleming
2015-03-06 21:39 ` Peter Jones
2015-03-06 21:49 ` Roy Franz
2015-03-06 22:17 ` Peter Jones
2015-03-10 12:26 ` Matt Fleming
2015-03-10 15:21 ` Peter Jones
2015-03-10 15:26 ` Andy Lutomirski
2015-03-10 15:40 ` Peter Jones
2015-03-10 15:51 ` Andy Lutomirski
2015-03-10 17:26 ` Peter Jones
2015-03-10 17:31 ` Andy Lutomirski
2015-03-12 22:47 ` Matt Fleming [this message]
2015-03-13 14:42 ` Greg Kroah-Hartman
2015-03-16 15:35 ` Andy Lutomirski
2015-03-02 10:59 Kweh, Hock Leong
2015-03-02 12:29 ` Matt Fleming
2015-03-03 5:56 ` Kweh, Hock Leong
2015-03-03 20:37 ` Andy Lutomirski
2015-03-03 20:49 ` Borislav Petkov
2015-03-03 21:56 ` Andy Lutomirski
2015-03-05 9:18 ` Kweh, Hock Leong
2015-03-05 23:08 ` Andy Lutomirski
2015-03-06 8:13 ` Borislav Petkov
2015-03-06 11:41 ` Kweh, Hock Leong
2015-03-06 14:47 ` Borislav Petkov
2015-03-06 12:20 ` Kweh, Hock Leong
2015-03-06 19:05 ` Andy Lutomirski
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