linux-kernel - Re: Build regressions/improvements in v6.9-rc1

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Date: Tue, 26 Mar 2024 08:50:49 +0100 (CET)
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: linux-kernel@...r.kernel.org
cc: linux-crypto@...r.kernel.org, Chris Zankel <chris@...kel.net>, 
    Max Filippov <jcmvbkbc@...il.com>, Rob Clark <robdclark@...il.com>, 
    Abhinav Kumar <quic_abhinavk@...cinc.com>, 
    Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, 
    linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
    freedreno@...ts.freedesktop.org, 
    Lucas De Marchi <lucas.demarchi@...el.com>, 
    Oded Gabbay <ogabbay@...nel.org>, 
    Thomas Hellström <thomas.hellstrom@...ux.intel.com>, 
    intel-xe@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, 
    linux-mips@...r.kernel.org, sparclinux@...r.kernel.org
Subject: Re: Build regressions/improvements in v6.9-rc1

On Mon, 25 Mar 2024, Geert Uytterhoeven wrote:
> Below is the list of build error/warning regressions/improvements in
> v6.9-rc1[1] compared to v6.8[2].
>
> Summarized:
>  - build errors: +8/-8

   + /kisskb/src/crypto/scompress.c: error: unused variable 'dst_page' [-Werror=unused-variable]:  => 174:38

xtensa-gcc13/xtensa-allmodconfig

   + /kisskb/src/drivers/gpu/drm/msm/adreno/adreno_gen7_0_0_snapshot.h: error: 'gen7_0_0_external_core_regs' defined but not used [-Werror=unused-variable]:  => 924:19
   + /kisskb/src/drivers/gpu/drm/msm/adreno/adreno_gen7_2_0_snapshot.h: error: 'gen7_2_0_external_core_regs' defined but not used [-Werror=unused-variable]:  => 748:19

arm64-gcc5/arm64-allmodconfig
powerpc-gcc5/powerpc-allmodconfig
powerpc-gcc5/powerpc-allyesconfig
powerpc-gcc5/ppc32_allmodconfig
powerpc-gcc5/ppc64_book3e_allmodconfig
powerpc-gcc5/ppc64le_allmodconfig
sparc64-gcc5/sparc64-allmodconfig

   + /kisskb/src/drivers/gpu/drm/xe/xe_lrc.c: error: "END" redefined [-Werror]:  => 100

mips-gcc8/mips-allmodconfig
mips-gcc13/mips-allmodconfig

   + error: arch/sparc/kernel/process_32.o: relocation truncated to fit: R_SPARC_WDISP22 against `.text':  => (.fixup+0xc), (.fixup+0x4)
   + error: arch/sparc/kernel/signal_32.o: relocation truncated to fit: R_SPARC_WDISP22 against `.text':  => (.fixup+0x18), (.fixup+0x8), (.fixup+0x0), (.fixup+0x20), (.fixup+0x10)
   + error: relocation truncated to fit: R_SPARC_WDISP22 against `.init.text':  => (.head.text+0x5100), (.head.text+0x5040)
   + error: relocation truncated to fit: R_SPARC_WDISP22 against symbol `leon_smp_cpu_startup' defined in .text section in arch/sparc/kernel/trampoline_32.o:  => (.init.text+0xa4)

sparc64-gcc13/sparc-allmodconfig

> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/4cece764965020c22cff7665b18a012006359095/ (all 138 configs)
> [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/e8f897f4afef0031fe618a8e94127a0934896aba/ (all 138 configs)

Gr{oetje,eeting}s,

 						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
 							    -- Linus Torvalds