[OE-core] [PATCH] linux-libc-headers: backport uapi header list

[Bruce Ashfield]

On Tue, Feb 2, 2016 at 1:40 PM, Saul Wold <sgw at linux.intel.com> wrote:

> On Tue, 2016-02-02 at 20:05 +0200, Alexandru But wrote:
> > nvme uapi header was renamed from nvme.h to nvme_ioctl.h in linux
> > 4.4, but the
> > header list was not updated. This causes efivar (and maybe other)
> > package build
> > to fail. This should fix the build while the commit is backported in
> > the
> > kernel.
> >
> Would it not make more sense to fix efivar (and maybe others) instead
> of changing the kernel headers, which were clearly changed for a reason
> to start with.
>

Yep. But I recall some argument against that. I'm on a plane at the moment
and can't check my references.


>
> This patch seems to be pending:
> https://gitweb.gentoo.org/repo/gentoo.git/tree/sys-libs/efivar/files/0.
> 21-nvme_ioctl.h.patch
>
> And a more appropriate patch to the kernel headers would be backporting
> this already merged patch:
>
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
> ?id=a9cf8284b45110a4d98aea180a89c857e53bf850
>
> You can request that Bruce (the linux-yocto maintainer) backport this
> patch via the linux-yocto at yoctoproject.org list.
>
>
Maybe I'm missing something, but wouldn't that just fix projects that build
against
linux-yocto ? If that's good enough, then yes, I can cherry pick the patch
(or
better yet, get it via -stable).

but we'd still need to update the linux-libc-headers, since unless these
apps
are building against the kernel_staging_dir, they are using the libc-headers
variant of the header.

Right ? .. or again, I may be missing what efivar is building against.

Bruce


>
> Sau!
>
> > Signed-off-by: Alexandru But <alexandru.but at ni.com>
> > ---
> >  ...i-update-install-list-after-nvme.h-rename.patch | 34
> > ++++++++++++++++++++++
> >  .../linux-libc-headers/linux-libc-headers_4.4.bb   |  4 +++
> >  2 files changed, 38 insertions(+)
> >  create mode 100644 meta/recipes-kernel/linux-libc-headers/linux-
> > libc-headers/0001-uapi-update-install-list-after-nvme.h-rename.patch
> >
> > diff --git a/meta/recipes-kernel/linux-libc-headers/linux-libc-
> > headers/0001-uapi-update-install-list-after-nvme.h-rename.patch
> > b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-
> > uapi-update-install-list-after-nvme.h-rename.patch
> > new file mode 100644
> > index 0000000..4d9f5a1
> > --- /dev/null
> > +++ b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-
> > uapi-update-install-list-after-nvme.h-rename.patch
> > @@ -0,0 +1,34 @@
> > +From a9cf8284b45110a4d98aea180a89c857e53bf850 Mon Sep 17 00:00:00
> > 2001
> > +From: Mike Frysinger <vapier at gentoo.org>
> > +Date: Sun, 10 Jan 2016 20:14:11 -0500
> > +Subject: [PATCH] uapi: update install list after nvme.h rename
> > +
> > +Commit 9d99a8dda154 ("nvme: move hardware structures out of the uapi
> > +version of nvme.h") renamed nvme.h to nvme_ioctl.h, but the uapi
> > list
> > +still refers to nvme.h.  People trying to install the headers hit a
> > +failure as the header no longer exists.
> > +
> > +Cc: stable at vger.kernel.org
> > +Signed-off-by: Mike Frysinger <vapier at gentoo.org>
> > +Reviewed-by: Christoph Hellwig <hch at lst.de>
> > +Signed-off-by: Jens Axboe <axboe at fb.com>
> > +---
> > + include/uapi/linux/Kbuild | 2 +-
> > + 1 file changed, 1 insertion(+), 1 deletion(-)
> > +
> > +diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
> > +index 628e6e6..88e1292 100644
> > +--- a/include/uapi/linux/Kbuild
> > ++++ b/include/uapi/linux/Kbuild
> > +@@ -306,7 +306,7 @@ header-y += nfs_mount.h
> > + header-y += nl80211.h
> > + header-y += n_r3964.h
> > + header-y += nubus.h
> > +-header-y += nvme.h
> > ++header-y += nvme_ioctl.h
> > + header-y += nvram.h
> > + header-y += omap3isp.h
> > + header-y += omapfb.h
> > +--
> > +2.6.1
> > +
> > diff --git a/meta/recipes-kernel/linux-libc-headers/linux-libc-
> > headers_4.4.bb b/meta/recipes-kernel/linux-libc-headers/linux-libc-
> > headers_4.4.bb
> > index 3763dc0..c8c7a10 100644
> > --- a/meta/recipes-kernel/linux-libc-headers/linux-libc-
> > headers_4.4.bb
> > +++ b/meta/recipes-kernel/linux-libc-headers/linux-libc-
> > headers_4.4.bb
> > @@ -5,5 +5,9 @@ SRC_URI_append_libc-musl = "\
> >      file://0002-libc-compat.h-prevent-redefinition-of-struct-
> > ethhdr.patch \
> >      file://0003-remove-inclusion-of-sysinfo.h-in-kernel.h.patch \
> >     "
> > +SRC_URI_append ="\
> > +    file://0001-uapi-update-install-list-after-nvme.h-rename.patch \
> > +   "
> > +
> >  SRC_URI[md5sum] = "9a78fa2eb6c68ca5a40ed5af08142599"
> >  SRC_URI[sha256sum] =
> > "401d7c8fef594999a460d10c72c5a94e9c2e1022f16795ec51746b0d165418b2"
> > --
> > 2.6.1
> >
>



-- 
"Thou shalt not follow the NULL pointer, for chaos and madness await thee
at its end"
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