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Re: [Qemu-devel] [PATCH qemu] spapr: Enable in-kernel H_SET_MODE handlin
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From: |
David Gibson |
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Subject: |
Re: [Qemu-devel] [PATCH qemu] spapr: Enable in-kernel H_SET_MODE handling |
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Date: |
Fri, 4 Sep 2015 14:48:26 +1000 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Wed, Sep 02, 2015 at 07:29:58PM +1000, Alexey Kardashevskiy wrote:
> For setting debug watchpoints, sPAPR guests use H_SET_MODE hypercall.
> The existing QEMU H_SET_MODE handler does not support this but
> the KVM handler in HV KVM does. However it is not enabled.
>
> This enables the in-kernel H_SET_MODE handler which handles:
> - Completed Instruction Address Breakpoint Register
> - Watch point 0 registers.
>
> The rest is still handled in QEMU.
>
> Reported-by: Anton Blanchard <address@hidden>
> Signed-off-by: Alexey Kardashevskiy <address@hidden>
Applied to spapr-dev; I'll move it into spapr-next once it's had a
little more testing.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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