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Date: Wed, 11 Jul 2018 07:08:54 +0200 From: Juergen Gross <jgross@...e.com> To: Boris Ostrovsky <boris.ostrovsky@...cle.com>, linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org, x86@...nel.org Cc: hpa@...or.com, tglx@...utronix.de, mingo@...hat.com, stable@...r.kernel.org Subject: Re: [PATCH] xen: setup pv irq ops vector earlier On 11/07/18 00:26, Boris Ostrovsky wrote: > On 07/02/2018 06:00 AM, Juergen Gross wrote: >> Setting pv_irq_ops for Xen PV domains should be done as early as >> possible in order to support e.g. very early printk() usage. > > Will printk() work as result of this move? We still, for example, > haven't set up console. It will print to the kernel print buffer, so the output will be available later. > This will (probably) allow us not to crash (due to STI and such) but I > am not sure "support" is the right term here. Not crashing is big plus IMO. :-) Juergen
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