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Re: [Xen-devel] [PATCH for-4.10] common/spinlock: Improve the output from check_lock() if it trips

To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Tue, 31 Oct 2017 10:52:14 +0000
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxx>, Julien Grall <julien.grall@xxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>
Delivery-date: Tue, 31 Oct 2017 10:52:22 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Tue, Oct 31, 2017 at 10:49:10AM +0000, Andrew Cooper wrote:
> If check_lock() triggers, a crash will occur.  Instead of simply identifying
> "the irq context was different", indicate the expected and current irq
> context.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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References:
- [Xen-devel] [PATCH for-4.10] common/spinlock: Improve the output from check_lock() if it trips
  - From: Andrew Cooper

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