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Re: [Xen-devel] [PATCH v5 3/9] x86/head: Move early exception panic code into early_fixup_exception
- To: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
- From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
- Date: Mon, 4 Apr 2016 18:00:42 +0200
- Cc: Jan Kara <jack@xxxxxxx>, KVM list <kvm@xxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, X86 ML <x86@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Petr Mladek <pmladek@xxxxxxx>, xen-devel <Xen-devel@xxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
- Delivery-date: Mon, 04 Apr 2016 16:00:53 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Mon, Apr 04, 2016 at 08:32:21AM -0700, Andy Lutomirski wrote:
> Adding locking would be easy enough, wouldn't it?
See patch in this thread..
> But do any platforms really boot a second CPU before switching to real
> printk?
I _only_ use early_printk() as printk() is a quagmire of fail :-)
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