Re: [PATCH 8/9] kernel-yocto: ensure that only valid BSPs are built

[Bruce Ashfield <bruce.ashfield@gmail.com>]

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On Mon, Aug 21, 2017 at 11:03 AM, Bruce Ashfield <bruce.ashfield@gmail.com>
wrote:

>
>
> On Mon, Aug 21, 2017 at 11:00 AM, Peter Kjellerstedt <
> peter.kjellerstedt@axis.com> wrote:
>
>> > -----Original Message-----
>> > From: openembedded-core-bounces@lists.openembedded.org
>> > [mailto:openembedded-core-bounces@lists.openembedded.org] On Behalf Of
>> > Bruce Ashfield
>> > Sent: den 21 augusti 2017 04:58
>> > To: richard.purdie@linuxfoundation.org
>> > Cc: openembedded-core@lists.openembedded.org
>> > Subject: [OE-core] [PATCH 8/9] kernel-yocto: ensure that only valid
>> > BSPs are built
>> >
>> > There was a bug in the search routines responsible for locating
>> > BSP definitions which returned a valid match if only the ktype
>> > matched.
>> >
>> > This meant that someone looking for "qemux86foo" (which is an
>> > invalid definition) would potentially end up building "qemuarm"
>> > and be none the wiser (until it didn't boot).
>> >
>> > With this fix to the tools search routine, and improved return
>> > code testing, we will now stop the build and report and error to
>> > the user.
>> >
>> > [YOCTO: #11878]
>> >
>> > Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
>> > ---
>> >  meta/classes/kernel-yocto.bbclass                       | 3 +++
>> >  meta/recipes-kernel/kern-tools/kern-tools-native_git.bb | 2 +-
>> >  2 files changed, 4 insertions(+), 1 deletion(-)
>> >
>> > diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/
>> kernel-yocto.bbclass
>> > index 1ca0756c4959..3c6df92131bc 100644
>> > --- a/meta/classes/kernel-yocto.bbclass
>> > +++ b/meta/classes/kernel-yocto.bbclass
>> > @@ -143,6 +143,9 @@ do_kernel_metadata() {
>> >
>> >       # expand kernel features into their full path equivalents
>> >       bsp_definition=$(spp ${includes} --find -DKMACHINE=${KMACHINE}
>> -DKTYPE=${LINUX_KERNEL_TYPE})
>> > +     if [ $? -ne 0 ] || [ -z "${bsp_definition}" ]; then
>>
>> Use $bsp_definition instead of ${bsp_definition} since it is a
>> shell variable and not a bitbake variable.
>>
>
> I always use ${...}, so I'm going to stay consistent with what is already
> in
> the file.
>
>
>>
>> Actually, after looking at the code in that bbclass, I see this
>> used for a number of shell variables all over the place. This is
>> actually bad, and you should rewrite the code to not use ${variable}
>> for shell variables. The reason this is bad is because these
>> variables unnecessarily end up in the sstate hash for these functions,
>> and if someone actually happens to define a bitbake variable with the
>> same name as one of those shell variables, the result will not be what
>> is expected...
>>
>
> Not something high on my priority list. It's been that way since the
> beginning.
>

.. but I will loop back and take care of the issues before M4 closes. Just
a bit busy
pushing out the new kernels and a slew of bug fixes.

This patch can be ignored (if needed) until I get back around to that.

Cheers,

Bruce


>
> Cheers,
>
> Bruce
>
>
>>
>> > +             bbfatal_log "Could not locate BSP definiton for
>> ${KMACHINE}/${LINUX_KERNEL_TYPE}."
>>
>> Change "definiton" to "definition".
>>
>> > +     fi
>> >       meta_dir=$(kgit --meta)
>> >
>> >       # run1: pull all the configuration fragments, no matter where
>> they come from
>> > diff --git a/meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
>> b/meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
>> > index 2217a31076a2..4a78b897d34f 100644
>> > --- a/meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
>> > +++ b/meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
>> > @@ -4,7 +4,7 @@ LIC_FILES_CHKSUM = "file://git/tools/kgit;beginli
>> ne=5;endline=9;md5=a6c2fa8aef1b
>> >
>> >  DEPENDS = "git-native"
>> >
>> > -SRCREV = "9cd2b626d652bec10c6bc75275b35bfee74d447c"
>> > +SRCREV = "0571411cc033c11df7827508dd786876ce2f8c83"
>> >  PR = "r12"
>> >  PV = "0.2+git${SRCPV}"
>> >
>> > --
>> > 2.5.0
>>
>> //Peter
>>
>> --
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>> Openembedded-core@lists.openembedded.org
>> http://lists.openembedded.org/mailman/listinfo/openembedded-core
>>
>
>
>
> --
> "Thou shalt not follow the NULL pointer, for chaos and madness await thee
> at its end"
>



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

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