On Fri, Nov 10, 2017 at 07:10:31PM +0100, Christophe LEROY wrote:
> Hi
>
> Le 06/11/2017 à 09:56, Ram Pai a écrit :
> >Memory protection keys enable applications to protect its
> >address space from inadvertent access from or corruption
> >by itself.
> >
> >These patches along with the pte-bit
On Fri, Nov 10, 2017 at 07:10:31PM +0100, Christophe LEROY wrote:
> Hi
>
> Le 06/11/2017 à 09:56, Ram Pai a écrit :
> >Memory protection keys enable applications to protect its
> >address space from inadvertent access from or corruption
> >by itself.
> >
> >These patches along with the pte-bit
Hi
Le 06/11/2017 à 09:56, Ram Pai a écrit :
Memory protection keys enable applications to protect its
address space from inadvertent access from or corruption
by itself.
These patches along with the pte-bit freeing patch series
enables the protection key feature on powerpc; 4k and 64k
hashpage
Hi
Le 06/11/2017 à 09:56, Ram Pai a écrit :
Memory protection keys enable applications to protect its
address space from inadvertent access from or corruption
by itself.
These patches along with the pte-bit freeing patch series
enables the protection key feature on powerpc; 4k and 64k
hashpage
On Mon, Nov 06, 2017 at 05:22:18PM -0800, Ram Pai wrote:
> On Mon, Nov 06, 2017 at 10:28:41PM +0100, Florian Weimer wrote:
> > * Ram Pai:
> >
> > > Testing:
> > > ---
> > > This patch series has passed all the protection key
> > > tests available in the selftest directory.The
> > > tests are
On Mon, Nov 06, 2017 at 05:22:18PM -0800, Ram Pai wrote:
> On Mon, Nov 06, 2017 at 10:28:41PM +0100, Florian Weimer wrote:
> > * Ram Pai:
> >
> > > Testing:
> > > ---
> > > This patch series has passed all the protection key
> > > tests available in the selftest directory.The
> > > tests are
On Tue, Nov 07, 2017 at 02:47:10PM -0800, Dave Hansen wrote:
> On 11/07/2017 02:39 PM, Ram Pai wrote:
> >
> > As per the current semantics of sys_pkey_free(); the way I understand it,
> > the calling thread is saying disassociate me from this key.
>
> No. It is saying: "this *process* no longer
On Tue, Nov 07, 2017 at 02:47:10PM -0800, Dave Hansen wrote:
> On 11/07/2017 02:39 PM, Ram Pai wrote:
> >
> > As per the current semantics of sys_pkey_free(); the way I understand it,
> > the calling thread is saying disassociate me from this key.
>
> No. It is saying: "this *process* no longer
On 11/07/2017 02:39 PM, Ram Pai wrote:
>
> As per the current semantics of sys_pkey_free(); the way I understand it,
> the calling thread is saying disassociate me from this key.
No. It is saying: "this *process* no longer has any uses of this key,
it can be reused".
On 11/07/2017 02:39 PM, Ram Pai wrote:
>
> As per the current semantics of sys_pkey_free(); the way I understand it,
> the calling thread is saying disassociate me from this key.
No. It is saying: "this *process* no longer has any uses of this key,
it can be reused".
On Tue, Nov 07, 2017 at 08:32:16AM +0100, Florian Weimer wrote:
> * Ram Pai:
>
> > On Mon, Nov 06, 2017 at 10:28:41PM +0100, Florian Weimer wrote:
> >> * Ram Pai:
> >>
> >> > Testing:
> >> > ---
> >> > This patch series has passed all the protection key
> >> > tests available in the selftest
On Tue, Nov 07, 2017 at 08:32:16AM +0100, Florian Weimer wrote:
> * Ram Pai:
>
> > On Mon, Nov 06, 2017 at 10:28:41PM +0100, Florian Weimer wrote:
> >> * Ram Pai:
> >>
> >> > Testing:
> >> > ---
> >> > This patch series has passed all the protection key
> >> > tests available in the selftest
* Ram Pai:
> On Mon, Nov 06, 2017 at 10:28:41PM +0100, Florian Weimer wrote:
>> * Ram Pai:
>>
>> > Testing:
>> > ---
>> > This patch series has passed all the protection key
>> > tests available in the selftest directory.The
>> > tests are updated to work on both x86 and powerpc.
>> > The
* Ram Pai:
> On Mon, Nov 06, 2017 at 10:28:41PM +0100, Florian Weimer wrote:
>> * Ram Pai:
>>
>> > Testing:
>> > ---
>> > This patch series has passed all the protection key
>> > tests available in the selftest directory.The
>> > tests are updated to work on both x86 and powerpc.
>> > The
On Mon, Nov 06, 2017 at 10:28:41PM +0100, Florian Weimer wrote:
> * Ram Pai:
>
> > Testing:
> > ---
> > This patch series has passed all the protection key
> > tests available in the selftest directory.The
> > tests are updated to work on both x86 and powerpc.
> > The selftests have passed on
On Mon, Nov 06, 2017 at 10:28:41PM +0100, Florian Weimer wrote:
> * Ram Pai:
>
> > Testing:
> > ---
> > This patch series has passed all the protection key
> > tests available in the selftest directory.The
> > tests are updated to work on both x86 and powerpc.
> > The selftests have passed on
* Ram Pai:
> Testing:
> ---
> This patch series has passed all the protection key
> tests available in the selftest directory.The
> tests are updated to work on both x86 and powerpc.
> The selftests have passed on x86 and powerpc hardware.
How do you deal with the key reuse problem? Is it
* Ram Pai:
> Testing:
> ---
> This patch series has passed all the protection key
> tests available in the selftest directory.The
> tests are updated to work on both x86 and powerpc.
> The selftests have passed on x86 and powerpc hardware.
How do you deal with the key reuse problem? Is it
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