Jan Kiszka wrote:
> Hi,
>
> before going wild with my idea, I would like to collect some comments on
> this approach:
>
> While doing first kernel debugging with my debug register patches for
> kvm, I quickly ran into the 4-breakpoints-only limitation that comes
> from the fact that we blindly map
On Wednesday 14 May 2008 14:49:02 Jan Kiszka wrote:
> > In Qemu, when exit_reason == KVM_EXIT_DEBUG, it would
> > just need to see if that address is for a breakpoint Qemu set or not. If
so,
> > it's happy. If not, (commence handwaving) tell KVM to forward the debug
> > interrupt to the guest.
On Wednesday 14 May 2008 14:10:06 Jan Kiszka wrote:
> Hollis Blanchard wrote:
> > On Wednesday 14 May 2008 10:28:51 Jan Kiszka wrote:
> >> So gdb on power relies only on those few hw-breakpoints? With x86 you
> >> can perfectly run gdb (with soft BPs) in parallel with the gdbstub
> >> (currently ba
Hollis Blanchard wrote:
> On Wednesday 14 May 2008 14:10:06 Jan Kiszka wrote:
>> Hollis Blanchard wrote:
>>> On Wednesday 14 May 2008 10:28:51 Jan Kiszka wrote:
So gdb on power relies only on those few hw-breakpoints? With x86 you
can perfectly run gdb (with soft BPs) in parallel with the
Hollis Blanchard wrote:
> On Wednesday 14 May 2008 10:28:51 Jan Kiszka wrote:
>> So gdb on power relies only on those few hw-breakpoints? With x86 you
>> can perfectly run gdb (with soft BPs) in parallel with the gdbstub
>> (currently based on hw-BPs, but the same would be true for soft-BPs
>> inse
On Wednesday 14 May 2008 10:28:51 Jan Kiszka wrote:
> So gdb on power relies only on those few hw-breakpoints? With x86 you
> can perfectly run gdb (with soft BPs) in parallel with the gdbstub
> (currently based on hw-BPs, but the same would be true for soft-BPs
> inserted by the gdbstub).
GDB on
On Wed, 2008-05-14 at 17:28 +0200, Jan Kiszka wrote:
> Jerone Young wrote:
> > On Mon, 2008-05-12 at 13:34 +0200, Jan Kiszka wrote:
> >> Hi,
> >>
> >> before going wild with my idea, I would like to collect some comments on
> >> this approach:
> >>
> >> While doing first kernel debugging with my de
Jerone Young wrote:
> On Mon, 2008-05-12 at 13:34 +0200, Jan Kiszka wrote:
>> Hi,
>>
>> before going wild with my idea, I would like to collect some comments on
>> this approach:
>>
>> While doing first kernel debugging with my debug register patches for
>> kvm, I quickly ran into the 4-breakpoints
On Mon, 2008-05-12 at 13:34 +0200, Jan Kiszka wrote:
> Hi,
>
> before going wild with my idea, I would like to collect some comments on
> this approach:
>
> While doing first kernel debugging with my debug register patches for
> kvm, I quickly ran into the 4-breakpoints-only limitation that comes
