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Message-ID: <6a0b3545-e401-4c06-a466-d60e6e7ef17a@gmail.com>
Date: Mon, 8 Jul 2024 20:21:59 +0200
From: Mirsad Todorovac <mtodorovac69@...il.com>
To: Borislav Petkov <bp@...en8.de>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
"H. Peter Anvin" <hpa@...or.com>, Yuntao Wang <ytcoode@...il.com>,
Breno Leitao <leitao@...ian.org>, Brian Gerst <brgerst@...il.com>,
Masahiro Yamada <masahiroy@...nel.org>
Subject: Re: [PROBLEM] ./arch/x86/include/asm/pgtable_32.h:59:5: error:
"PTRS_PER_PMD" is not defined, evaluates to 0 [-Werror=undef]
Hi, Borislav,
On 7/8/24 11:49, Borislav Petkov wrote:
> On Fri, Jul 05, 2024 at 11:52:30PM +0200, Mirsad Todorovac wrote:
>> Hi, all!
>>
>> This is the result of testing randconfig with KCONFIG_SEED=0xEE7AB52F in next-20240703 vanilla tree on
>> Ubuntu 22.04 LTS. GCC used is gcc (Ubuntu 12.3.0-1ubuntu1~22.04) 12.3.0.
>>
>> The particular error is as follows:
>>
>> In file included from arch/x86/kernel/head_32.S:29:
>> ./arch/x86/include/asm/pgtable_32.h:59:5: error: "PTRS_PER_PMD" is not defined, evaluates to 0 [-Werror=undef]
>> 59 | #if PTRS_PER_PMD > 1
>> | ^~~~~~~~~~~~
>> cc1: all warnings being treated as errors
>
> I can't reproduce that with your config ontop of
>
> commit 0b58e108042b0ed28a71cd7edf5175999955b233 (HEAD, tag: refs/tags/next-20240703, refs/remotes/linux-next/master)
> Author: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Wed Jul 3 16:14:20 2024 +1000
>
> Add linux-next specific files for 20240703
>
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
>
> $ make ARCH=i386 -j128 CC=gcc HOSTCC=gcc
> ...
>
> OBJCOPY arch/x86/boot/setup.bin
> BUILD arch/x86/boot/bzImage
> Kernel: arch/x86/boot/bzImage is ready (#1)
>
> Something's missing.
>
> Did you do
>
> $ git clean -dqfx
>
> before building?
>
> Note that that cmd will clear *everything* so you better check your local tree
> before you run it:
>
> $ git status
>
> and then
>
> $ git clean -dqfx
>
> after having saved the files which you still need.
>
> HTH.
Well, I tried your procedure and I got again this:
In file included from arch/x86/kernel/head_32.S:29:
./arch/x86/include/asm/pgtable_32.h:59:5: error: "PTRS_PER_PMD" is not defined, evaluates to 0 [-Werror=undef]
59 | #if PTRS_PER_PMD > 1
| ^~~~~~~~~~~~
Maybe you should try
1019 2024-07-08 20:18:10 make clean
1020 2024-07-08 20:18:17 make randconfig
1021 2024-07-08 20:18:32 time nice make -k W=1 -j 36 bindeb-pkg |& tee ../err-next-20230705-04p.log; date
Thanks.
Best regards,
Mirsad Todorovac
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