linux-kernel - Re: [llvmlinux] percpu | bitmap issue? (Cannot boot on bare metal due to a kernel NULL pointer dereference)

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Message-ID: <20150914093550.GB24362@gmail.com>
Date:	Mon, 14 Sep 2015 11:35:50 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Sedat Dilek <sedat.dilek@...il.com>, Baoquan He <bhe@...hat.com>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Tejun Heo <tj@...nel.org>, Christoph Lameter <cl@...ux.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Thomas Graf <tgraf@...g.ch>,
	the arch/x86 maintainers <x86@...nel.org>,
	llvmlinux@...ts.linuxfoundation.org
Subject: Re: [llvmlinux] percpu | bitmap issue? (Cannot boot on bare metal
 due to a kernel NULL pointer dereference)


* Peter Zijlstra <peterz@...radead.org> wrote:

> > I invite you to join the discussion at LLVMLinux... As I know... "YES, you 
> > can." Linux x86/x86_64 (assembler) Kung-Fu. ( I admit I have not these skillz. 
> > )
> 
> Its a matter of time for me; I simply do not have enough time as it is so I have 
> to make choices.

We are also willing to apply clean, sensible patches.

Alas that collection of llvm patches quoted in this thread:

  30 files changed, 188 insertions(+), 161 deletions(-)

had quite a few objectionable hacks in them.

Thanks,

	Ingo
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