On 14.06.14 23:08, Madhavan Srinivasan wrote:
This patch adds kernel side support for software breakpoint.
Design is that, by using an illegal instruction, we trap to hypervisor
via Emulation Assistance interrupt, where we check for the illegal instruction
and accordingly we return to Host or
On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
Also, why don't we use twi always or something else that actually is
defined as illegal instruction? I would like to see this shared with
book3s_32 PR.
twi will be directed to the guest on HV no ? We want a real illegal
because those
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
Also, why don't we use twi always or something else that actually is
defined as illegal instruction? I would like to see this shared with
book3s_32 PR.
twi will be directed to the guest
On Tue, 2014-06-17 at 11:25 +0200, Alexander Graf wrote:
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
Also, why don't we use twi always or something else that actually is
defined as illegal instruction? I would like to see this
On 17.06.14 11:32, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 11:25 +0200, Alexander Graf wrote:
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
Also, why don't we use twi always or something else that actually is
defined as
On Tuesday 17 June 2014 02:24 PM, Alexander Graf wrote:
On 14.06.14 23:08, Madhavan Srinivasan wrote:
This patch adds kernel side support for software breakpoint.
Design is that, by using an illegal instruction, we trap to hypervisor
via Emulation Assistance interrupt, where we check for the
On 17.06.14 13:07, Madhavan Srinivasan wrote:
On Tuesday 17 June 2014 02:24 PM, Alexander Graf wrote:
On 14.06.14 23:08, Madhavan Srinivasan wrote:
This patch adds kernel side support for software breakpoint.
Design is that, by using an illegal instruction, we trap to hypervisor
via Emulation
On Tuesday 17 June 2014 03:02 PM, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 11:25 +0200, Alexander Graf wrote:
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
Also, why don't we use twi always or something else that actually
On Tuesday 17 June 2014 04:38 PM, Alexander Graf wrote:
On 17.06.14 13:07, Madhavan Srinivasan wrote:
On Tuesday 17 June 2014 02:24 PM, Alexander Graf wrote:
On 14.06.14 23:08, Madhavan Srinivasan wrote:
This patch adds kernel side support for software breakpoint.
Design is that, by using
On Tuesday 17 June 2014 03:13 PM, Alexander Graf wrote:
On 17.06.14 11:32, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 11:25 +0200, Alexander Graf wrote:
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
Also, why don't we use
On 17.06.14 13:13, Madhavan Srinivasan wrote:
On Tuesday 17 June 2014 04:38 PM, Alexander Graf wrote:
On 17.06.14 13:07, Madhavan Srinivasan wrote:
On Tuesday 17 June 2014 02:24 PM, Alexander Graf wrote:
On 14.06.14 23:08, Madhavan Srinivasan wrote:
This patch adds kernel side support for
On Tue, 2014-06-17 at 11:25 +0200, Alexander Graf wrote:
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
Also, why don't we use twi always or something else that actually is
defined as illegal instruction? I would like to see this
On 17.06.14 11:32, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 11:25 +0200, Alexander Graf wrote:
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
Also, why don't we use twi always or something else that actually is
defined as
On Tuesday 17 June 2014 02:24 PM, Alexander Graf wrote:
On 14.06.14 23:08, Madhavan Srinivasan wrote:
This patch adds kernel side support for software breakpoint.
Design is that, by using an illegal instruction, we trap to hypervisor
via Emulation Assistance interrupt, where we check for the
On 17.06.14 13:07, Madhavan Srinivasan wrote:
On Tuesday 17 June 2014 02:24 PM, Alexander Graf wrote:
On 14.06.14 23:08, Madhavan Srinivasan wrote:
This patch adds kernel side support for software breakpoint.
Design is that, by using an illegal instruction, we trap to hypervisor
via Emulation
On Tuesday 17 June 2014 03:02 PM, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 11:25 +0200, Alexander Graf wrote:
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
Also, why don't we use twi always or something else that actually
On Tuesday 17 June 2014 03:13 PM, Alexander Graf wrote:
On 17.06.14 11:32, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 11:25 +0200, Alexander Graf wrote:
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
Also, why don't we use
On Tuesday 17 June 2014 04:38 PM, Alexander Graf wrote:
On 17.06.14 13:07, Madhavan Srinivasan wrote:
On Tuesday 17 June 2014 02:24 PM, Alexander Graf wrote:
On 14.06.14 23:08, Madhavan Srinivasan wrote:
This patch adds kernel side support for software breakpoint.
Design is that, by using
On 17.06.14 13:20, Madhavan Srinivasan wrote:
On Tuesday 17 June 2014 03:13 PM, Alexander Graf wrote:
On 17.06.14 11:32, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 11:25 +0200, Alexander Graf wrote:
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 10:54 +0200,
On 17.06.14 13:13, Madhavan Srinivasan wrote:
On Tuesday 17 June 2014 04:38 PM, Alexander Graf wrote:
On 17.06.14 13:07, Madhavan Srinivasan wrote:
On Tuesday 17 June 2014 02:24 PM, Alexander Graf wrote:
On 14.06.14 23:08, Madhavan Srinivasan wrote:
This patch adds kernel side support for
This patch adds kernel side support for software breakpoint.
Design is that, by using an illegal instruction, we trap to hypervisor
via Emulation Assistance interrupt, where we check for the illegal instruction
and accordingly we return to Host or Guest. Patch mandates use of abs
instruction
This patch adds kernel side support for software breakpoint.
Design is that, by using an illegal instruction, we trap to hypervisor
via Emulation Assistance interrupt, where we check for the illegal instruction
and accordingly we return to Host or Guest. Patch mandates use of abs
instruction
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