On Wed, Jul 11, 2018 at 06:59:28AM +0100, Mark Rutland wrote:
> On Mon, Jul 09, 2018 at 06:42:29PM -0400, Boris Ostrovsky wrote:
> > On 07/02/2018 12:02 PM, Mark Rutland wrote:
> > > On Mon, Jul 02, 2018 at 05:46:55PM +0200, Peter Zijlstra wrote:
> > >> On Mon, Jul 02, 2018 at 04:12:50PM +0100, Mar
On 07/12/2018 07:56 AM, Mark Rutland wrote:
> On Mon, Jul 09, 2018 at 06:42:29PM -0400, Boris Ostrovsky wrote:
>> On 07/02/2018 12:02 PM, Mark Rutland wrote:
>>> On Mon, Jul 02, 2018 at 05:46:55PM +0200, Peter Zijlstra wrote:
On Mon, Jul 02, 2018 at 04:12:50PM +0100, Mark Rutland wrote:
>
On Mon, Jul 09, 2018 at 06:42:29PM -0400, Boris Ostrovsky wrote:
> On 07/02/2018 12:02 PM, Mark Rutland wrote:
> > On Mon, Jul 02, 2018 at 05:46:55PM +0200, Peter Zijlstra wrote:
> >> On Mon, Jul 02, 2018 at 04:12:50PM +0100, Mark Rutland wrote:
> >>> +static struct pt_regs *perf_get_sample_regs(st
On 07/11/2018 01:59 AM, Mark Rutland wrote:
> On Mon, Jul 09, 2018 at 06:42:29PM -0400, Boris Ostrovsky wrote:
>> On 07/02/2018 12:02 PM, Mark Rutland wrote:
>>> On Mon, Jul 02, 2018 at 05:46:55PM +0200, Peter Zijlstra wrote:
On Mon, Jul 02, 2018 at 04:12:50PM +0100, Mark Rutland wrote:
>
On Mon, Jul 09, 2018 at 06:42:29PM -0400, Boris Ostrovsky wrote:
> On 07/02/2018 12:02 PM, Mark Rutland wrote:
> > On Mon, Jul 02, 2018 at 05:46:55PM +0200, Peter Zijlstra wrote:
> >> On Mon, Jul 02, 2018 at 04:12:50PM +0100, Mark Rutland wrote:
> >>> +static struct pt_regs *perf_get_sample_regs(st
On 07/02/2018 12:02 PM, Mark Rutland wrote:
> On Mon, Jul 02, 2018 at 05:46:55PM +0200, Peter Zijlstra wrote:
>> On Mon, Jul 02, 2018 at 04:12:50PM +0100, Mark Rutland wrote:
>>> Users can request that general purpose registers, instruction pointer,
>>> etc, are sampled when a perf event counter ov
On Mon, Jul 02, 2018 at 05:46:55PM +0200, Peter Zijlstra wrote:
> On Mon, Jul 02, 2018 at 04:12:50PM +0100, Mark Rutland wrote:
> > Users can request that general purpose registers, instruction pointer,
> > etc, are sampled when a perf event counter overflows. To try to avoid
> > this resulting in
On Mon, Jul 02, 2018 at 04:12:50PM +0100, Mark Rutland wrote:
> Users can request that general purpose registers, instruction pointer,
> etc, are sampled when a perf event counter overflows. To try to avoid
> this resulting in kernel state being leaked, unprivileged users are
> usually forbidden fr
Users can request that general purpose registers, instruction pointer,
etc, are sampled when a perf event counter overflows. To try to avoid
this resulting in kernel state being leaked, unprivileged users are
usually forbidden from opening events which count while the kernel is
running.
Unfortunat
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