From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Juergen Gross <jgross@suse.com>,
linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org,
x86@kernel.org
Cc: hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com, luto@amacapital.net
Subject: Re: [PATCH v1] xen: get rid of paravirt op adjust_exception_frame
Date: Wed, 26 Jul 2017 08:59:08 -0400 [thread overview]
Message-ID: <5978921C.6020605@oracle.com> (raw)
In-Reply-To: <20170724142853.26448-1-jgross@suse.com>
On 7/24/2017 10:28 AM, Juergen Gross wrote:
> When running as Xen pv-guest the exception frame on the stack contains
> %r11 and %rcx additional to the other data pushed by the processor.
>
> Instead of having a paravirt op being called for each exception type
> prepend the Xen specific code to each exception entry. When running as
> Xen pv-guest just use the exception entry with prepended instructions,
> otherwise use the entry without the Xen specific code.
>
> Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
(I'd s/xen/x86/ in subject to get x86 maintainers' attention ;-))
next prev parent reply other threads:[~2017-07-26 12:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-24 14:28 [PATCH v1] xen: get rid of paravirt op adjust_exception_frame Juergen Gross
2017-07-26 12:59 ` Boris Ostrovsky [this message]
2017-07-26 13:48 ` Andy Lutomirski
2017-07-26 14:01 ` [Xen-devel] " Andrew Cooper
2017-07-26 14:09 ` Andy Lutomirski
2017-07-26 14:31 ` Andrew Cooper
2017-07-26 15:12 ` Juergen Gross
2017-07-26 15:50 ` Juergen Gross
2017-07-26 17:57 ` Andy Lutomirski
2017-07-26 18:43 ` Juergen Gross
2017-07-26 20:15 ` Andy Lutomirski
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