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From: Borislav Petkov <bp@alien8.de>
To: Ingo Molnar <mingo@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>, X86 ML <x86@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>, Borislav Petkov <bp@suse.de>
Subject: Re: [PATCH 0/4] x86: FPU detection in C
Date: Wed, 10 Apr 2013 14:24:11 +0200	[thread overview]
Message-ID: <20130410122411.GE13394@pd.tnic> (raw)
In-Reply-To: <20130410110840.GA29752@gmail.com>

On Wed, Apr 10, 2013 at 01:08:40PM +0200, Ingo Molnar wrote:
> Config attached.

How do you even build this? I tried tip:x86/cpu but it fails here:

drivers/misc/lkdtm.c: In function ‘recursive_loop.constprop.3’:
drivers/misc/lkdtm.c:276:1: warning: the frame size of 1028 bytes is larger than 1024 bytes [-Wframe-larger-than=]
In file included from /w/kernel/linux-2.6/arch/x86/include/asm/uaccess.h:537:0,
                 from include/linux/uaccess.h:5,
                 from include/linux/highmem.h:8,
                 from include/linux/pagemap.h:10,
                 from fs/binfmt_misc.c:27:
/w/kernel/linux-2.6/arch/x86/include/asm/uaccess_32.h: In function ‘parse_command.part.2’:
/w/kernel/linux-2.6/arch/x86/include/asm/uaccess_32.h:211:26: error: call to ‘copy_from_user_overflow’ declared with attribute error: copy_from_user() buffer size is not provably correct
make[1]: *** [fs/binfmt_misc.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [fs] Error 2
make: *** Waiting for unfinished jobs....

because of CONFIG_DEBUG_STRICT_USER_COPY_CHECKS=y.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

  reply	other threads:[~2013-04-10 12:24 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-08 15:57 [PATCH 0/4] x86: FPU detection in C Borislav Petkov
2013-04-08 15:57 ` [PATCH 1/4] x86: Get rid of ->hard_math and all the FPU asm fu Borislav Petkov
2013-04-08 16:26   ` [tip:x86/cpu] " tip-bot for H. Peter Anvin
2013-06-12 20:48   ` [tip:x86/fpu] " tip-bot for H. Peter Anvin
2013-04-08 15:57 ` [PATCH 2/4] x86: Fold-in trivial check_config function Borislav Petkov
2013-04-08 16:27   ` [tip:x86/cpu] " tip-bot for Borislav Petkov
2013-04-16 13:51   ` tip-bot for Borislav Petkov
2013-04-08 15:57 ` [PATCH 3/4] x86, AMD: Correct {rd,wr}msr_amd_safe warnings Borislav Petkov
2013-04-08 16:28   ` [tip:x86/cpu] " tip-bot for Borislav Petkov
2013-04-16 13:53   ` tip-bot for Borislav Petkov
2013-04-08 15:57 ` [PATCH 4/4] x86, CPU, AMD: Drop useless label Borislav Petkov
2013-04-08 16:29   ` [tip:x86/cpu] " tip-bot for Borislav Petkov
2013-04-16 13:54   ` tip-bot for Borislav Petkov
2013-04-10 11:08 ` [PATCH 0/4] x86: FPU detection in C Ingo Molnar
2013-04-10 12:24   ` Borislav Petkov [this message]
2013-04-10 12:25     ` Ingo Molnar
2013-04-10 13:32       ` Borislav Petkov
2013-04-10 15:35         ` H. Peter Anvin
2013-04-10 16:11           ` Borislav Petkov
2013-04-10 21:29             ` [PATCH] x86, FPU: Fix FPU initialization Borislav Petkov
2013-04-11 12:09               ` Ingo Molnar
2013-04-11 14:23                 ` Borislav Petkov
2013-04-11 19:26                 ` H. Peter Anvin
2013-04-11 20:23                   ` Borislav Petkov
2013-04-12  5:32                     ` Ingo Molnar
2013-04-12  5:34                       ` H. Peter Anvin
2013-04-12  9:47                         ` Borislav Petkov
2013-04-12 11:26                           ` Borislav Petkov
2013-04-15 10:08                             ` Ingo Molnar
2013-04-15 10:17                               ` Borislav Petkov
2013-04-15 10:18                                 ` Ingo Molnar
2013-04-15 15:54                                   ` Borislav Petkov
2013-04-15 22:04                                     ` Borislav Petkov
2013-04-16  9:25                                       ` Ingo Molnar
2013-04-16  9:48                                         ` Borislav Petkov
2013-04-16 10:08                                           ` [GIT PULL] Rebase tip:x86/cpu Borislav Petkov
2013-04-16 11:35                                             ` Ingo Molnar
2013-04-16 11:33                                           ` [PATCH] x86, FPU: Fix FPU initialization Ingo Molnar
2013-04-29 14:04 [PATCH 0/3] FPU detection in C, second try Borislav Petkov
2013-04-29 14:04 ` [PATCH 1/3] x86: Get rid of ->hard_math and all the FPU asm fu Borislav Petkov
2013-04-29 14:04 ` [PATCH 2/3] x86: Sanity-check static_cpu_has usage Borislav Petkov
2013-04-29 15:38   ` H. Peter Anvin
2013-04-29 14:04 ` [PATCH 3/3] x86, FPU: Do not use static_cpu_has before alternatives Borislav Petkov
2013-04-29 15:42   ` H. Peter Anvin
2013-04-29 18:51     ` Borislav Petkov
2013-04-29 18:58       ` H. Peter Anvin

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