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Re: [Xen-devel] [PATCH] xen: enable per-VCPU parameter for RTDS

On Mon, Apr 4, 2016 at 9:07 PM, Chong Li <lichong659@xxxxxxxxx> wrote:
> Commit f7b87b0745b4 ("enable per-VCPU parameter for RTDS") introduced
> a bug: it made it possible, in Credit and Credit2, when doing domain
> or vcpu parameters' manipulation, to leave the hypervisor with a
> spinlock held and interrupts disabled.
> Fix it.
> Signed-off-by: Chong Li <chong.li@xxxxxxxxx>
> Acked-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>

I'm wondering if the title "xen: enable per-VCPU parameter for RTDS"
is suitable for this patch, although I don't have a better title.

The title in my mind is: xen: fix incorrect lock for credit and credit2
I won't fight for this title, though. :-)

Probably no need to resend...



Meng Xu
PhD Student in Computer and Information Science
University of Pennsylvania

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