Re: [PATCH v6 0/2] Enable capsule loader interface for efi firmware updating

[Borislav Petkov]

On Fri, Oct 02, 2015 at 05:05:52AM +0800, Kweh, Hock Leong wrote:
> From: "Kweh, Hock Leong" <hock.leong.kweh@xxxxxxxxx>
> 
> Dear maintainers & communities,
> 
> This patchset is created on top of Matt's patchset:
> 1.)https://lkml.org/lkml/2014/10/7/390
> "[PATCH 1/2] efi: Move efi_status_to_err() to efi.h"
> 2.)https://lkml.org/lkml/2014/10/7/391
> "[PATCH 2/2] efi: Capsule update support"
> 
> It expose a misc char interface for user to upload the capsule binary and
> calling efi_capsule_update() API to pass the binary to EFI firmware.
> 
> The steps to update efi firmware are:
> 1.) cat firmware.cap > /dev/efi_capsule_loader
> 2.) reboot
> 
> Any failed upload error message will be returned while doing "cat" through
> Write() function call.
> 
> Tested the code with Intel Quark Galileo platform.

What does the error case look like? A standard glibc message about
write(2) failing?

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/