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SubjectRe: [PATCH v4 06/12] efi: export efi runtime memory mapping to sysfs
On 12/07/13 at 02:30pm, Borislav Petkov wrote:
> On Sat, Dec 07, 2013 at 04:01:02AM -0500, Dave Young wrote:
> > Hi, all
> >
> > Update my status:
> >
> > I have finished most of thecode related changes including the krealloc
> > fixes (both for original code and my new code). And I'm slowly
> > moving the kexec related stuff to efi_kexec.c, this involves
> > some other cleanups, such as:
> > efi_systab_init:
> > -> move 64bit code to efi_64.c, move 32bit code to efi_32.c
> >
> > efi_setup global variable is changing to physical address, ioremapping
> > it when necessary instead of directly using the virt addr because
> > previously the virt addr will be freed until entering virtual mode,
> > it's possible a leak in case something is wrong in the middle also it
> > occupies the ioremap slot a little bit long.
> >
> > There's also other problems, so I still need a few days probably
> > a week to carefully restructure the code.
> Those are all lofty goals but beware that trying to solve it all at
> once can be very painful and can cause unnecessary work for both coders
> and reviewers. Especially if the patchset grows out of proportion which
> makes it much harder to review and deal with.
> So, from my experience and if I were you, I'd try to address the most
> important issue I'm trying to fix, have 10ish nice clean patches and put
> the rest on the TODO list. This is much easier to deal with for everyone
> involved than trying to solve it all at once.
> Besides, if you solve it all at once, what are you going to work on
> afterwards? :-)

I like your suggestion for splitting kexec stuff to another file efi_kexec.c.
but yes it needs more work and is bloating the patchset, I'm fine to leave
it in TODO list.


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