From: Andy Lutomirski <luto@amacapital.net> To: James Bottomley <James.Bottomley@hansenpartnership.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, "Kweh, Hock Leong" <hock.leong.kweh@intel.com>, Matt Fleming <matt@codeblueprint.co.uk>, Ming Lei <ming.lei@canonical.com>, "Ong, Boon Leong" <boon.leong.ong@intel.com>, LKML <linux-kernel@vger.kernel.org>, "linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>, Sam Protsenko <semen.protsenko@linaro.org>, Peter Jones <pjones@redhat.com>, Roy Franz <roy.franz@linaro.org>, Borislav Petkov <bp@alien8.de> Subject: Re: [PATCH v4 2/2] efi: an sysfs interface for user to update efi firmware Date: Tue, 21 Apr 2015 18:58:58 -0700 [thread overview] Message-ID: <CALCETrX9GZmWnfkm-CwKW-2mPvRbNcRaY6tUY=8e0THsPBKMcA@mail.gmail.com> (raw) In-Reply-To: <1429665679.2207.44.camel@HansenPartnership.com> On Tue, Apr 21, 2015 at 6:21 PM, James Bottomley <James.Bottomley@hansenpartnership.com> wrote: > Andy, just on the misc device idea, what about triggering the capsule > update from close()? In theory close returns an error code (not sure if > most tools actually check this, though). That means we can do the write > in chunks but pass it in atomically on the close and cat will work > (provided it checks the return code of close). I thought about this but IIRC cat doesn't check the return value from close. --Andy > > James > > -- Andy Lutomirski AMA Capital Management, LLC
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From: Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org> To: James Bottomley <James.Bottomley-JuX6DAaQMKPCXq6kfMZ53/egYHeGw8Jk@public.gmane.org> Cc: Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>, "Kweh, Hock Leong" <hock.leong.kweh-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, Matt Fleming <matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>, Ming Lei <ming.lei-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>, "Ong, Boon Leong" <boon.leong.ong-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, "linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Sam Protsenko <semen.protsenko-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Peter Jones <pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Roy Franz <roy.franz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org> Subject: Re: [PATCH v4 2/2] efi: an sysfs interface for user to update efi firmware Date: Tue, 21 Apr 2015 18:58:58 -0700 [thread overview] Message-ID: <CALCETrX9GZmWnfkm-CwKW-2mPvRbNcRaY6tUY=8e0THsPBKMcA@mail.gmail.com> (raw) In-Reply-To: <1429665679.2207.44.camel-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org> On Tue, Apr 21, 2015 at 6:21 PM, James Bottomley <James.Bottomley-JuX6DAaQMKPCXq6kfMZ53/egYHeGw8Jk@public.gmane.org> wrote: > Andy, just on the misc device idea, what about triggering the capsule > update from close()? In theory close returns an error code (not sure if > most tools actually check this, though). That means we can do the write > in chunks but pass it in atomically on the close and cat will work > (provided it checks the return code of close). I thought about this but IIRC cat doesn't check the return value from close. --Andy > > James > > -- Andy Lutomirski AMA Capital Management, LLC
next prev parent reply other threads:[~2015-04-22 1:59 UTC|newest] Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-04-14 9:44 [PATCH v4 0/2] Enable capsule loader interface for efi firmware updating Kweh, Hock Leong 2015-04-14 9:44 ` Kweh, Hock Leong 2015-04-14 9:44 ` [PATCH v4 1/2] firmware_loader: introduce new API - request_firmware_direct_full_path() Kweh, Hock Leong 2015-04-14 9:44 ` Kweh, Hock Leong 2015-04-14 14:08 ` Greg Kroah-Hartman 2015-04-14 15:56 ` Andy Lutomirski 2015-04-14 16:18 ` Borislav Petkov 2015-04-14 16:18 ` Borislav Petkov 2015-04-15 10:14 ` Matt Fleming 2015-04-15 10:14 ` Matt Fleming 2015-04-15 10:18 ` Borislav Petkov 2015-04-15 10:18 ` Borislav Petkov 2015-04-15 11:09 ` Matt Fleming 2015-04-15 11:09 ` Matt Fleming 2015-04-15 13:15 ` Greg Kroah-Hartman 2015-04-15 13:15 ` Greg Kroah-Hartman 2015-04-15 15:53 ` Andy Lutomirski 2015-04-15 12:48 ` Matt Fleming 2015-04-15 12:48 ` Matt Fleming 2015-04-14 9:44 ` [PATCH v4 2/2] efi: an sysfs interface for user to update efi firmware Kweh, Hock Leong 2015-04-14 9:44 ` Kweh, Hock Leong 2015-04-14 14:09 ` Greg Kroah-Hartman 2015-04-14 14:09 ` Greg Kroah-Hartman 2015-04-14 15:52 ` Andy Lutomirski 2015-04-14 15:52 ` Andy Lutomirski 2015-04-15 13:20 ` Greg Kroah-Hartman 2015-04-15 13:20 ` Greg Kroah-Hartman 2015-04-15 15:45 ` Andy Lutomirski 2015-04-15 15:45 ` Andy Lutomirski 2015-04-16 0:19 ` Roy Franz 2015-04-16 0:19 ` Roy Franz 2015-04-17 13:50 ` Greg KH 2015-04-17 13:50 ` Greg KH 2015-04-15 11:32 ` Kweh, Hock Leong 2015-04-15 11:32 ` Kweh, Hock Leong 2015-04-15 13:19 ` Greg Kroah-Hartman 2015-04-15 13:19 ` Greg Kroah-Hartman 2015-04-16 9:42 ` Kweh, Hock Leong 2015-04-17 13:49 ` Greg Kroah-Hartman 2015-04-17 13:49 ` Greg Kroah-Hartman 2015-04-17 14:36 ` Matt Fleming 2015-04-20 3:28 ` Kweh, Hock Leong 2015-04-20 3:28 ` Kweh, Hock Leong 2015-04-20 14:43 ` Greg Kroah-Hartman 2015-04-21 3:23 ` Kweh, Hock Leong 2015-04-21 3:23 ` Kweh, Hock Leong 2015-04-21 7:56 ` Greg Kroah-Hartman 2015-04-21 7:56 ` Greg Kroah-Hartman 2015-04-22 1:21 ` James Bottomley 2015-04-22 1:21 ` James Bottomley 2015-04-22 1:58 ` Andy Lutomirski [this message] 2015-04-22 1:58 ` Andy Lutomirski 2015-04-22 2:20 ` James Bottomley 2015-04-22 3:24 ` Andy Lutomirski 2015-04-22 3:24 ` Andy Lutomirski 2015-04-22 4:51 ` James Bottomley 2015-04-22 4:51 ` James Bottomley 2015-04-22 16:50 ` Andy Lutomirski 2015-04-22 16:50 ` Andy Lutomirski 2015-04-22 17:34 ` James Bottomley 2015-04-22 17:34 ` James Bottomley 2015-04-22 17:45 ` Andy Lutomirski 2015-04-22 17:45 ` Andy Lutomirski 2015-04-22 13:27 ` Peter Jones 2015-04-22 13:27 ` Peter Jones 2015-04-22 15:18 ` James Bottomley 2015-04-22 15:24 ` One Thousand Gnomes 2015-04-22 15:24 ` One Thousand Gnomes 2015-04-23 8:30 ` Kweh, Hock Leong 2015-04-23 8:30 ` Kweh, Hock Leong 2015-04-23 14:09 ` James Bottomley 2015-04-24 2:14 ` Kweh, Hock Leong 2015-04-24 2:14 ` Kweh, Hock Leong 2015-04-24 15:16 ` James Bottomley 2015-04-24 15:16 ` James Bottomley 2015-04-27 21:59 ` Andy Lutomirski 2015-04-27 21:59 ` Andy Lutomirski 2015-04-27 22:35 ` James Bottomley 2015-04-27 22:35 ` James Bottomley 2015-04-27 22:40 ` Andy Lutomirski 2015-04-27 22:40 ` Andy Lutomirski 2015-04-27 22:51 ` James Bottomley 2015-04-27 22:51 ` James Bottomley 2015-04-29 11:23 ` Kweh, Hock Leong 2015-04-29 11:23 ` Kweh, Hock Leong 2015-04-29 18:40 ` Andy Lutomirski 2015-04-29 21:37 ` James Bottomley 2015-04-29 21:37 ` James Bottomley 2015-04-30 9:17 ` Kweh, Hock Leong 2015-04-30 9:17 ` Kweh, Hock Leong 2015-04-30 17:55 ` Andy Lutomirski 2015-04-30 17:55 ` Andy Lutomirski 2015-04-29 21:35 ` James Bottomley 2015-04-29 21:35 ` James Bottomley 2015-04-29 21:36 ` Andy Lutomirski 2015-04-29 21:39 ` James Bottomley 2015-04-29 21:42 ` Andy Lutomirski 2015-04-20 17:59 ` James Bottomley 2015-04-22 15:35 ` James Bottomley 2015-04-22 15:35 ` James Bottomley 2015-04-22 15:46 ` Greg Kroah-Hartman 2015-04-22 15:46 ` Greg Kroah-Hartman 2015-04-22 16:11 ` James Bottomley 2015-04-22 16:11 ` James Bottomley 2015-04-23 9:50 ` Greg Kroah-Hartman 2015-04-23 9:50 ` Greg Kroah-Hartman 2015-04-23 16:14 ` James Bottomley 2015-04-23 20:38 ` Greg Kroah-Hartman 2015-04-23 20:38 ` Greg Kroah-Hartman
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