Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-11 Thread Richard Earnshaw (lists)
On 11/07/18 21:46, Jeff Law wrote: > On 07/10/2018 10:43 AM, Richard Earnshaw (lists) wrote: >> On 10/07/18 16:42, Jeff Law wrote: >>> On 07/10/2018 02:49 AM, Richard Earnshaw (lists) wrote: On 10/07/18 00:13, Jeff Law wrote: > On 07/09/2018 10:38 AM, Richard Earnshaw wrote: >> >>

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-11 Thread Jeff Law
On 07/10/2018 10:43 AM, Richard Earnshaw (lists) wrote: > On 10/07/18 16:42, Jeff Law wrote: >> On 07/10/2018 02:49 AM, Richard Earnshaw (lists) wrote: >>> On 10/07/18 00:13, Jeff Law wrote: On 07/09/2018 10:38 AM, Richard Earnshaw wrote: > > To address all of the above, these patches

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Richard Earnshaw (lists)
On 10/07/18 16:42, Jeff Law wrote: > On 07/10/2018 02:49 AM, Richard Earnshaw (lists) wrote: >> On 10/07/18 00:13, Jeff Law wrote: >>> On 07/09/2018 10:38 AM, Richard Earnshaw wrote: To address all of the above, these patches adopt a new approach, based in part on a posting by Chandl

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Jeff Law
On 07/10/2018 04:53 AM, Richard Earnshaw (lists) wrote: > On 10/07/18 11:10, Richard Biener wrote: >> On Tue, Jul 10, 2018 at 10:39 AM Richard Earnshaw (lists) >> wrote: >>> >>> On 10/07/18 08:19, Richard Biener wrote: On Mon, Jul 9, 2018 at 6:39 PM Richard Earnshaw wrote: > > >

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Jeff Law
On 07/10/2018 08:14 AM, Richard Earnshaw (lists) wrote: > On 10/07/18 14:48, Bill Schmidt wrote: >> >>> On Jul 10, 2018, at 3:49 AM, Richard Earnshaw (lists) >>> wrote: >>> >>> On 10/07/18 00:13, Jeff Law wrote: On 07/09/2018 10:38 AM, Richard Earnshaw wrote: > > The patches I posted

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Jeff Law
On 07/10/2018 02:49 AM, Richard Earnshaw (lists) wrote: > On 10/07/18 00:13, Jeff Law wrote: >> On 07/09/2018 10:38 AM, Richard Earnshaw wrote: >>> >>> To address all of the above, these patches adopt a new approach, based >>> in part on a posting by Chandler Carruth to the LLVM developers list >>>

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Richard Earnshaw (lists)
On 10/07/18 14:48, Bill Schmidt wrote: > >> On Jul 10, 2018, at 3:49 AM, Richard Earnshaw (lists) >> wrote: >> >> On 10/07/18 00:13, Jeff Law wrote: >>> On 07/09/2018 10:38 AM, Richard Earnshaw wrote: The patches I posted earlier this year for mitigating against CVE-2017-5753 (Spe

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Bill Schmidt
> On Jul 10, 2018, at 3:49 AM, Richard Earnshaw (lists) > wrote: > > On 10/07/18 00:13, Jeff Law wrote: >> On 07/09/2018 10:38 AM, Richard Earnshaw wrote: >>> >>> The patches I posted earlier this year for mitigating against >>> CVE-2017-5753 (Spectre variant 1) attracted some useful feedback

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Richard Earnshaw (lists)
On 10/07/18 12:21, Richard Biener wrote: > On Tue, Jul 10, 2018 at 12:53 PM Richard Earnshaw (lists) > wrote: >> >> On 10/07/18 11:10, Richard Biener wrote: >>> On Tue, Jul 10, 2018 at 10:39 AM Richard Earnshaw (lists) >>> wrote: On 10/07/18 08:19, Richard Biener wrote: > On Mon, Ju

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Richard Biener
On Tue, Jul 10, 2018 at 12:53 PM Richard Earnshaw (lists) wrote: > > On 10/07/18 11:10, Richard Biener wrote: > > On Tue, Jul 10, 2018 at 10:39 AM Richard Earnshaw (lists) > > wrote: > >> > >> On 10/07/18 08:19, Richard Biener wrote: > >>> On Mon, Jul 9, 2018 at 6:39 PM Richard Earnshaw > >>> wr

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Richard Earnshaw (lists)
On 10/07/18 11:10, Richard Biener wrote: > On Tue, Jul 10, 2018 at 10:39 AM Richard Earnshaw (lists) > wrote: >> >> On 10/07/18 08:19, Richard Biener wrote: >>> On Mon, Jul 9, 2018 at 6:39 PM Richard Earnshaw >>> wrote: The patches I posted earlier this year for mitigating against

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Richard Biener
On Tue, Jul 10, 2018 at 10:39 AM Richard Earnshaw (lists) wrote: > > On 10/07/18 08:19, Richard Biener wrote: > > On Mon, Jul 9, 2018 at 6:39 PM Richard Earnshaw > > wrote: > >> > >> > >> The patches I posted earlier this year for mitigating against > >> CVE-2017-5753 (Spectre variant 1) attracte

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Richard Earnshaw (lists)
On 10/07/18 00:13, Jeff Law wrote: > On 07/09/2018 10:38 AM, Richard Earnshaw wrote: >> >> The patches I posted earlier this year for mitigating against >> CVE-2017-5753 (Spectre variant 1) attracted some useful feedback, from >> which it became obvious that a rethink was needed. This mail, and th

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Richard Earnshaw (lists)
On 10/07/18 08:19, Richard Biener wrote: > On Mon, Jul 9, 2018 at 6:39 PM Richard Earnshaw > wrote: >> >> >> The patches I posted earlier this year for mitigating against >> CVE-2017-5753 (Spectre variant 1) attracted some useful feedback, from >> which it became obvious that a rethink was needed.

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-10 Thread Richard Biener
On Mon, Jul 9, 2018 at 6:39 PM Richard Earnshaw wrote: > > > The patches I posted earlier this year for mitigating against > CVE-2017-5753 (Spectre variant 1) attracted some useful feedback, from > which it became obvious that a rethink was needed. This mail, and the > following patches attempt t

Re: [PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-09 Thread Jeff Law
On 07/09/2018 10:38 AM, Richard Earnshaw wrote: > > The patches I posted earlier this year for mitigating against > CVE-2017-5753 (Spectre variant 1) attracted some useful feedback, from > which it became obvious that a rethink was needed. This mail, and the > following patches attempt to address

[PATCH 0/7] Mitigation against unsafe data speculation (CVE-2017-5753)

2018-07-09 Thread Richard Earnshaw
The patches I posted earlier this year for mitigating against CVE-2017-5753 (Spectre variant 1) attracted some useful feedback, from which it became obvious that a rethink was needed. This mail, and the following patches attempt to address that feedback and present a new approach to mitigating ag