From: Juergen Gross <jgross@suse.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org,
x86@kernel.org
Cc: hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com,
stable@vger.kernel.org
Subject: Re: [PATCH] xen: setup pv irq ops vector earlier
Date: Wed, 11 Jul 2018 07:08:54 +0200 [thread overview]
Message-ID: <0362cb33-b6e6-a099-249f-b516b288f106@suse.com> (raw)
In-Reply-To: <7ed006f3-22ea-2c35-1cbe-15d7cf04a71b@oracle.com>
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
next prev parent reply other threads:[~2018-07-11 5:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-02 10:00 Juergen Gross
2018-07-02 11:18 ` [Xen-devel] " Jan Beulich
[not found] ` <5B3A09EA02000078001CFBB7@suse.com>
2018-07-02 11:27 ` Juergen Gross
2018-07-10 22:26 ` Boris Ostrovsky
2018-07-11 5:08 ` Juergen Gross [this message]
2018-07-11 15:31 ` Boris Ostrovsky
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