From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Jan Beulich <jbeulich@suse.com>, Juergen Gross <jgross@suse.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
the arch/x86 maintainers <x86@kernel.org>,
Andy Lutomirski <luto@kernel.org>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Subject: Re: Ping: [PATCH 0/2] x86/Xen/32: xen_iret_crit_fixup adjustments
Date: Tue, 19 Nov 2019 12:50:05 -0500 [thread overview]
Message-ID: <40267a5b-8f1b-6463-72cd-f8f354c58bc4@oracle.com> (raw)
In-Reply-To: <09359c00-5769-0e0d-4af9-963897d3b498@suse.com>
On 11/19/19 7:58 AM, Jan Beulich wrote:
> On 11.11.2019 15:30, Jan Beulich wrote:
>> The first patch here fixes another regression from 3c88c692c287
>> ("x86/stackframe/32: Provide consistent pt_regs"), besides the
>> one already addressed by
>> https://lists.xenproject.org/archives/html/xen-devel/2019-10/msg01988.html.
>> The second patch is a minimal bit of cleanup on top.
>>
>> 1: make xen_iret_crit_fixup independent of frame layout
>> 2: simplify xen_iret_crit_fixup's ring check
> Seeing that the other regression fix has been taken into -tip,
> what is the situation here? Should 5.4 really ship with this
> still unfixed?
I am still unable to boot a 32-bit guest with those patches, crashing in
int3_exception_notify with regs->sp zero.
When I revert to 3c88c692c287 the guest actually boots so my (?) problem
was introduced somewhere in-between.
-boris
next prev parent reply other threads:[~2019-11-19 17:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-11 14:30 [PATCH 0/2] x86/Xen/32: xen_iret_crit_fixup adjustments Jan Beulich
2019-11-11 14:32 ` [PATCH 1/2] x86/Xen/32: make xen_iret_crit_fixup independent of frame layout Jan Beulich
2019-11-19 13:17 ` Jürgen Groß
2019-11-19 21:01 ` [tip: x86/urgent] x86/xen/32: Make xen_iret_crit_fixup() " tip-bot2 for Jan Beulich
2019-11-11 14:32 ` [PATCH 2/2] x86/Xen/32: simplify xen_iret_crit_fixup's ring check Jan Beulich
2019-11-19 13:18 ` Jürgen Groß
2019-11-19 21:01 ` [tip: x86/urgent] x86/xen/32: Simplify ring check in xen_iret_crit_fixup() tip-bot2 for Jan Beulich
2019-11-19 12:58 ` Ping: [PATCH 0/2] x86/Xen/32: xen_iret_crit_fixup adjustments Jan Beulich
2019-11-19 17:50 ` Boris Ostrovsky [this message]
2019-11-20 2:17 ` Boris Ostrovsky
2019-11-20 2:39 ` Boris Ostrovsky
2019-11-20 7:18 ` [Xen-devel] " Jan Beulich
2019-11-20 7:13 ` Jan Beulich
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