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Message-ID: <CAPAsAGyR4TUBSNE0wgwN5i1yZeuEGYcMeBhwRHgf2nrD9AQs+A@mail.gmail.com>
Date: Thu, 15 Oct 2015 10:31:55 +0300
From: Andrey Ryabinin <ryabinin.a.a@...il.com>
To: Borislav Petkov <bp@...en8.de>
Cc: Ingo Molnar <mingo@...nel.org>,
Andy Lutomirski <luto@...capital.net>,
lkml <linux-kernel@...r.kernel.org>
Subject: Re: ./arch/x86/include/asm/desc.h:122:2: error: implicit declaration of function ‘memcpy’ [-Werror=implicit-function-declaration]
2015-10-15 0:47 GMT+03:00 Borislav Petkov <bp@...en8.de>:
> Hey,
>
> did the issue in $Subject get fixed somewhere?
>
> I remember reading something about it on lkml ...
I'm an idiot :(
The same failure was fixed for KMEMCHECK=y && KASAN=n config
But that fix didn't fix the KMEMCHECK=y && KASAN=y case.
>
> In any case, I'm seeing this in my randconfig builds:
>
> In file included from arch/x86/kernel/setup.c:96:0:
> ./arch/x86/include/asm/desc.h: In function ‘native_write_idt_entry’:
> ./arch/x86/include/asm/desc.h:122:2: error: implicit declaration of function ‘memcpy’ [-Werror=implicit-function-declaration]
> memcpy(&idt[entry], gate, sizeof(*gate));
> ^
> cc1: some warnings being treated as errors
> make[2]: *** [arch/x86/kernel/setup.o] Error 1
>
> and CONFIG_KASAN is set in that randconfig (attached).
>
> When I disable it, same config builds fine.
>
> Hmmm...
>
> --
> Regards/Gruss,
> Boris.
>
> ECO tip #101: Trim your mails when you reply.
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