> -----Original Message----- > From: Borislav Petkov [mailto:bp@xxxxxxxxx] > Sent: Friday, April 10, 2015 9:58 PM > > On Sat, Apr 11, 2015 at 03:40:41AM +0800, Kweh, Hock Leong wrote: > > From: "Kweh, Hock Leong" <hock.leong.kweh@xxxxxxxxx> > > > > Hi Guys, > > > > This patchset is created on top of "efi: Capsule update support" patch: > > http://permalink.gmane.org/gmane.linux.kernel.efi/4837 > > > > It expose a sysfs loader interface for user to upload the capsule binary > > and calling efi_capsule_update() API to pass the binary to EFI firmware. > > What I'm missing from those 0/n mails is why we need this? What is > the problem you're trying to solve and why is Peter's userspace-only > solution not enough. > > Now I have a fairly good idea why we might/could/would need the kernel > interface but I don't believe the every reader has followed the whole > discussion. > > So please start with the Why. Try to sell it to me as best as you can. > Details will be discussed later anyway. > > Thanks. > Hi Borislav, I will make the summary, for more detail, you can refer to the threads here: - https://lkml.org/lkml/2015/3/10/418 - https://lkml.org/lkml/2015/3/10/262 Summary: - Kernel interface could provide more flexibility than just firmware updates. - For embedded small foot print devices, not all vendors are affordable to include all userland tools to their product. - Not all platform support ESRT. Regards, Wilson ��.n��������+%������w��{.n�����{����* jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
