From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Roger Pau Monne <roger.pau@citrix.com>
Cc: xen-devel@lists.xenproject.org, Jan Beulich <jbeulich@suse.com>,
Andrew Cooper <andrew.cooper3@citrix.com>, Wei Liu <wl@xen.org>
Subject: Re: [PATCH] x86/setup: delay setting SYS_STATE_smp_boot
Date: Mon, 16 May 2022 16:35:51 +0200 [thread overview]
Message-ID: <YoJhR/cehrHan/I6@Air-de-Roger> (raw)
In-Reply-To: <20220516111203.26463-1-roger.pau@citrix.com>
On Mon, May 16, 2022 at 01:12:03PM +0200, Roger Pau Monne wrote:
> Booting with Shadow Stacks leads to the following assert on a debug
> hypervisor:
>
> (XEN) [ 11.625166] Assertion 'local_irq_is_enabled()' failed at arch/x86/smp.c:265
> (XEN) [ 11.629410] ----[ Xen-4.17.0-10.24-d x86_64 debug=y Not tainted ]----
> (XEN) [ 11.633679] CPU: 0
> (XEN) [ 11.637834] RIP: e008:[<ffff82d040345300>] flush_area_mask+0x40/0x13e
> [...]
> (XEN) [ 11.806158] Xen call trace:
> (XEN) [ 11.811255] [<ffff82d040345300>] R flush_area_mask+0x40/0x13e
> (XEN) [ 11.816459] [<ffff82d040338a40>] F modify_xen_mappings+0xc5/0x958
> (XEN) [ 11.821689] [<ffff82d0404474f9>] F arch/x86/alternative.c#_alternative_instructions+0xb7/0xb9
> (XEN) [ 11.827053] [<ffff82d0404476cc>] F alternative_branches+0xf/0x12
> (XEN) [ 11.832416] [<ffff82d04044e37d>] F __start_xen+0x1ef4/0x2776
> (XEN) [ 11.837809] [<ffff82d040203344>] F __high_start+0x94/0xa0
>
> Fix this by switching to state SYS_STATE_smp_boot after alternatives
> have been applied.
Consider this patch superseded by:
https://lore.kernel.org/xen-devel/20220516143116.28602-1-roger.pau@citrix.com
Thanks, Roger.
prev parent reply other threads:[~2022-05-16 14:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-16 11:12 [PATCH] x86/setup: delay setting SYS_STATE_smp_boot Roger Pau Monne
2022-05-16 14:35 ` Roger Pau Monné [this message]
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