linux-kernel - Re: [kbuild] arch/powerpc/net/bpf_jit_comp.c:225 bpf_int_jit_compile() error: uninitialized symbol 'pass'.

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Message-ID: <20220204143008.GK1978@kadam>
Date:   Fri, 4 Feb 2022 17:30:09 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     "kbuild@...ts.01.org" <kbuild@...ts.01.org>,
        "lkp@...el.com" <lkp@...el.com>,
        "kbuild-all@...ts.01.org" <kbuild-all@...ts.01.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Michael Ellerman <mpe@...erman.id.au>
Subject: Re: [kbuild] arch/powerpc/net/bpf_jit_comp.c:225
 bpf_int_jit_compile() error: uninitialized symbol 'pass'.

On Fri, Feb 04, 2022 at 02:24:50PM +0000, Christophe Leroy wrote:
> 
> 
> Le 04/02/2022 à 15:14, Dan Carpenter a écrit :
> > On Fri, Feb 04, 2022 at 01:18:24PM +0000, Christophe Leroy wrote:
> >> Hi Dan,
> >>
> >> Le 04/02/2022 à 11:37, Dan Carpenter a écrit :
> >>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git    master
> >>> head:   88808fbbead481aedb46640a5ace69c58287f56a
> >>> commit: 51c66ad849a703d9bbfd7704c941827aed0fd9fd powerpc/bpf: Implement extended BPF on PPC32
> >>
> >> As far as I can see, it's been there long before that.
> >>
> >> Seems it comes from 025dceb0fab3 ("bpf: powerpc64: optimize JIT passes
> >> for bpf function calls")
> > 
> > These emails are auto generated by bot.  I just look over the email and
> > verify it looks reasonable.  Moving the code around sometimes makes it
> > show up as a new bug.  Also changes to the Kconfig file can affect which
> > code is checked.
> > 
> > The commit that you mention does not generate a warning.  The warning
> > started in commit 025dceb0fab3 ("bpf: powerpc64: optimize JIT passes for
> > bpf function calls").
> > 
> 
> ???
> 
> Didn't I mention commit 025dceb0fab3 ("bpf: powerpc64: optimize JIT 
> passes for bpf function calls") ?
> 

Oh...  I'm not sure what I was looking at.  :P  Must be time for me to
knock off for the weekend.

regards,
dan carpenter