linux-kernel - Re: Build regressions/improvements in v6.2-rc1

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Date:   Fri, 6 Jan 2023 16:10:20 +0100
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-kernel@...r.kernel.org
Cc:     amd-gfx@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        linux-wireless@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-sh@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linuxppc-dev@...ts.ozlabs.org, kasan-dev@...glegroups.com,
        linux-xtensa@...ux-xtensa.org
Subject: Re: Build regressions/improvements in v6.2-rc1

Hi Geert!

On 12/27/22 09:35, Geert Uytterhoeven wrote:
>    + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_262' declared with attribute error: Unsupported access size for {READ,WRITE}_ONCE().:  => 358:45
>    + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_263' declared with attribute error: Unsupported access size for {READ,WRITE}_ONCE().:  => 358:45
> 
> In function 'follow_pmd_mask',
>      inlined from 'follow_pud_mask' at /kisskb/src/mm/gup.c:735:9,
>      inlined from 'follow_p4d_mask' at /kisskb/src/mm/gup.c:752:9,
>      inlined from 'follow_page_mask' at /kisskb/src/mm/gup.c:809:9:
> 
> sh4-gcc11/sh-defconfig (Günter wondered if pmd_t should use union)

I'm seeing this, too. Also for sh7785lcr_defconfig.

> sh4-gcc11/sh-allmodconfig (ICE = internal compiler error)

I'm not seeing this one, but I am getting this one instead:

In file included from ./arch/sh/include/asm/hw_irq.h:6,
                  from ./include/linux/irq.h:596,
                  from ./include/asm-generic/hardirq.h:17,
                  from ./arch/sh/include/asm/hardirq.h:9,
                  from ./include/linux/hardirq.h:11,
                  from ./include/linux/interrupt.h:11,
                  from ./include/linux/serial_core.h:13,
                  from ./include/linux/serial_sci.h:6,
                  from arch/sh/kernel/cpu/sh2/setup-sh7619.c:11:
./include/linux/sh_intc.h:100:63: error: division 'sizeof (void *) / sizeof (void)' does not compute the number of array elements [-Werror=sizeof-pointer-div]
   100 | #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(*a)
       |                                                               ^
./include/linux/sh_intc.h:105:31: note: in expansion of macro '_INTC_ARRAY'
   105 |         _INTC_ARRAY(vectors), _INTC_ARRAY(groups),      \
       |                               ^~~~~~~~~~~

Adrian

-- 
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