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From: "H. Peter Anvin" <hpa@zytor.com>
To: Alistair Strachan <astrachan@google.com>, linux-kernel@vger.kernel.org
Cc: Andy Lutomirski <luto@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	x86@kernel.org, kernel-team@android.com, joel@joelfernandes.com
Subject: Re: [PATCH] x86: vdso: Fix leaky vdso link with CC=clang
Date: Thu, 12 Jul 2018 13:25:10 -0700	[thread overview]
Message-ID: <47d4b24e-8c60-fb3b-3377-62d20c5f3dd1@zytor.com> (raw)
In-Reply-To: <20180712201032.156997-1-astrachan@google.com>

On 07/12/18 13:10, Alistair Strachan wrote:
> The vdso{32,64}.so can fail to link with CC=clang when clang tries to
> find a suitable GCC toolchain to link these libraries with.
> 
> /usr/bin/ld: arch/x86/entry/vdso/vclock_gettime.o:
>   access beyond end of merged section (782)
> 
> This happens because the host environment leaked into the cross
> compiler environment due to the way clang searches for suitable GCC
> toolchains.
> 

Is this another clang bug that you want a workaround for in the kernel?

	-hpa

  reply	other threads:[~2018-07-12 20:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-12 20:10 Alistair Strachan
2018-07-12 20:25 ` H. Peter Anvin [this message]
2018-07-12 20:37   ` Alistair Strachan
2018-07-12 22:06     ` H. Peter Anvin
2018-07-12 23:20       ` Andy Lutomirski
2018-07-13  0:01         ` Alistair Strachan

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