On 2019/9/6 21:43, Will Deacon wrote:
> On Wed, Aug 28, 2019 at 02:03:37PM -0700, Kees Cook wrote:
>> On Wed, Aug 28, 2019 at 03:14:40PM +0100, Will Deacon wrote:
>>> On Wed, Aug 28, 2019 at 09:30:52AM +0200, Peter Zijlstra wrote:
On Tue, Aug 27, 2019 at 05:31:58PM +0100, Will Deacon wrote:
On Wed, Aug 28, 2019 at 02:03:37PM -0700, Kees Cook wrote:
> On Wed, Aug 28, 2019 at 03:14:40PM +0100, Will Deacon wrote:
> > On Wed, Aug 28, 2019 at 09:30:52AM +0200, Peter Zijlstra wrote:
> > > On Tue, Aug 27, 2019 at 05:31:58PM +0100, Will Deacon wrote:
> > > > Will Deacon (6):
> > > >
On Sat, 31 Aug 2019 at 22:02, Kees Cook wrote:
>
> On Sat, Aug 31, 2019 at 08:48:56PM +0300, Ard Biesheuvel wrote:
> > It's been ~2 years since I looked at this code in detail, but IIRC, it
> > looked like the inc-from-zero check was missing from the x86
> > implementation because it requires a
On Sat, Aug 31, 2019 at 08:48:56PM +0300, Ard Biesheuvel wrote:
> It's been ~2 years since I looked at this code in detail, but IIRC, it
> looked like the inc-from-zero check was missing from the x86
> implementation because it requires a load/compare/increment/store
> sequence instead of a single
On Thu, 29 Aug 2019 at 00:03, Kees Cook wrote:
>
> On Wed, Aug 28, 2019 at 03:14:40PM +0100, Will Deacon wrote:
> > On Wed, Aug 28, 2019 at 09:30:52AM +0200, Peter Zijlstra wrote:
> > > On Tue, Aug 27, 2019 at 05:31:58PM +0100, Will Deacon wrote:
> > > > Will Deacon (6):
> > > > lib/refcount:
On Wed, Aug 28, 2019 at 03:14:40PM +0100, Will Deacon wrote:
> On Wed, Aug 28, 2019 at 09:30:52AM +0200, Peter Zijlstra wrote:
> > On Tue, Aug 27, 2019 at 05:31:58PM +0100, Will Deacon wrote:
> > > Will Deacon (6):
> > > lib/refcount: Define constants for saturation and max refcount values
> > >
On Tue, Aug 27, 2019 at 05:31:58PM +0100, Will Deacon wrote:
> Hi all,
>
> This is version two of the patches I previously posted here:
>
> https://lkml.kernel.org/r/20190802101000.12958-1-w...@kernel.org
>
> Changes since v1 include:
>
> * Avoid duplicate WARNs when incrementing from zero
On Wed, Aug 28, 2019 at 09:30:52AM +0200, Peter Zijlstra wrote:
> On Tue, Aug 27, 2019 at 05:31:58PM +0100, Will Deacon wrote:
> > Will Deacon (6):
> > lib/refcount: Define constants for saturation and max refcount values
> > lib/refcount: Ensure integer operands are treated as signed
> >
On Tue, Aug 27, 2019 at 05:31:58PM +0100, Will Deacon wrote:
> Will Deacon (6):
> lib/refcount: Define constants for saturation and max refcount values
> lib/refcount: Ensure integer operands are treated as signed
> lib/refcount: Remove unused refcount_*_checked() variants
> lib/refcount:
Hi all,
This is version two of the patches I previously posted here:
https://lkml.kernel.org/r/20190802101000.12958-1-w...@kernel.org
Changes since v1 include:
* Avoid duplicate WARNs when incrementing from zero
* Some crude lktdm perf results to motivate the change:
# perf stat -r
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