From: Ian Campbell <Ian.Campbell@citrix.com>
To: Denis Drozdov <denys.drozdov@globallogic.com>
Cc: george.dunlap@eu.citrix.com, andrew.cooper3@citrix.com,
julien.grall@linaro.org, JBeulich@suse.com,
xen-devel@lists.xen.org
Subject: Re: [PATCH] xen/arm: Call context_saved() with interrupts enabled during context switch
Date: Thu, 5 Feb 2015 12:48:08 +0000 [thread overview]
Message-ID: <1423140488.24924.108.camel@citrix.com> (raw)
In-Reply-To: <1423069985-26282-1-git-send-email-denys.drozdov@globallogic.com>
On Wed, 2015-02-04 at 19:13 +0200, Denis Drozdov wrote:
> From: denys drozdov <denys.drozdov@globallogic.com>
>
> This is a requirement of the scheduler interface, violating this
> causes for example with the RT scheduler:
>
> (XEN) Assertion 'local_irq_is_enabled()' failed at spinlock.c:137
> (XEN) ----[ Xen-4.5.0 arm32 debug=y Not tainted ]----
> (XEN) CPU: 0
> (XEN) PC: 0022a074 _spin_lock_irq+0x18/0x94
>
> (XEN) Xen call trace:
> (XEN) [<0022a074>] _spin_lock_irq+0x18/0x94 (PC)
> (XEN) [<002256b8>] rt_context_saved+0x3c/0x144 (LR)
> (XEN) [<002256b8>] rt_context_saved+0x3c/0x144
> (XEN) [<00228ed8>] context_saved+0x4c/0x80
> (XEN) [<002524b4>] schedule_tail+0x148/0x2f0
> (XEN) [<00252668>] continue_new_vcpu+0xc/0x70
> (XEN) [<00252a18>] context_switch+0x74/0x7c
>
>
> Signed-off-by: denys drozdov <denys.drozdov@globallogic.com>
> Acked-by: Ian Campbell <ian.campbell@citrix.com>
> Reviewed-by: Dario Faggioli <dario.faggioli@citrix.com>
> Reviewed-by: Julien Grall <julien.grall@linaro.org>
Dario's R-by counts as the scheduled ack I was looking for, so applied
thanks.
prev parent reply other threads:[~2015-02-05 12:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-30 12:30 [PATCH] xen/arm: Fix rtds scheduler for arm Denis Drozdov
2015-01-30 12:38 ` Jan Beulich
2015-01-30 15:40 ` Denis Drozdov
2015-01-30 15:46 ` Julien Grall
2015-01-30 15:56 ` Andrew Cooper
2015-01-30 16:10 ` Julien Grall
2015-01-30 16:19 ` Denys Drozdov
2015-01-30 16:29 ` Julien Grall
2015-01-31 10:50 ` Ian Campbell
2015-02-02 10:49 ` Denys Drozdov
2015-02-02 11:14 ` Ian Campbell
2015-02-02 11:40 ` Jan Beulich
2015-02-02 12:16 ` Ian Campbell
2015-02-02 12:59 ` Julien Grall
2015-02-02 13:06 ` Ian Campbell
2015-02-04 15:04 ` Stefano Stabellini
2015-02-04 15:09 ` Ian Campbell
2015-02-02 13:07 ` Jan Beulich
2015-02-02 18:03 ` Denis Drozdov
2015-02-04 15:13 ` Ian Campbell
2015-02-04 16:19 ` Dario Faggioli
2015-02-04 16:45 ` Julien Grall
2015-02-04 17:13 ` [PATCH] xen/arm: Call context_saved() with interrupts enabled during context switch Denis Drozdov
2015-02-05 12:48 ` Ian Campbell [this message]
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