Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-04 Thread Greg Kroah-Hartman
On Tue, Sep 04, 2018 at 10:08:13AM +0530, Naresh Kamboju wrote: > On 3 September 2018 at 22:26, Greg Kroah-Hartman > wrote: > > 4.18-stable review patch. If anyone has any objections, please let me know. > > > > -- > > > > From: Peter Zijlstra > > > > commit

Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-04 Thread Greg Kroah-Hartman
On Tue, Sep 04, 2018 at 10:08:13AM +0530, Naresh Kamboju wrote: > On 3 September 2018 at 22:26, Greg Kroah-Hartman > wrote: > > 4.18-stable review patch. If anyone has any objections, please let me know. > > > > -- > > > > From: Peter Zijlstra > > > > commit

Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-04 Thread Andre Tomt
On 04. sep. 2018 08:10, Andre Tomt wrote: On 04. sep. 2018 07:24, Greg Kroah-Hartman wrote: Full test log link, https://lkft.validation.linaro.org/scheduler/job/404027#L4051 Does Linus's tree also crash with this patch applied?  Being "bug compatible" is good :) thanks, greg k-h I

Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-04 Thread Andre Tomt
On 04. sep. 2018 08:10, Andre Tomt wrote: On 04. sep. 2018 07:24, Greg Kroah-Hartman wrote: Full test log link, https://lkft.validation.linaro.org/scheduler/job/404027#L4051 Does Linus's tree also crash with this patch applied?  Being "bug compatible" is good :) thanks, greg k-h I

Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-04 Thread Naresh Kamboju
>> Full test log link, >> https://lkft.validation.linaro.org/scheduler/job/404027#L4051 > > Does Linus's tree also crash with this patch applied? Being "bug > compatible" is good :) No. It did not crash on mainline kernel. - Naresh > > thanks, > > greg k-h

Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-04 Thread Naresh Kamboju
>> Full test log link, >> https://lkft.validation.linaro.org/scheduler/job/404027#L4051 > > Does Linus's tree also crash with this patch applied? Being "bug > compatible" is good :) No. It did not crash on mainline kernel. - Naresh > > thanks, > > greg k-h

Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-04 Thread Andre Tomt
On 04. sep. 2018 07:24, Greg Kroah-Hartman wrote: Full test log link, https://lkft.validation.linaro.org/scheduler/job/404027#L4051 Does Linus's tree also crash with this patch applied? Being "bug compatible" is good :) thanks, greg k-h I suspect it is because we're missing upstream

Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-04 Thread Andre Tomt
On 04. sep. 2018 07:24, Greg Kroah-Hartman wrote: Full test log link, https://lkft.validation.linaro.org/scheduler/job/404027#L4051 Does Linus's tree also crash with this patch applied? Being "bug compatible" is good :) thanks, greg k-h I suspect it is because we're missing upstream

Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-03 Thread Greg Kroah-Hartman
On Tue, Sep 04, 2018 at 10:08:13AM +0530, Naresh Kamboju wrote: > On 3 September 2018 at 22:26, Greg Kroah-Hartman > wrote: > > 4.18-stable review patch. If anyone has any objections, please let me know. > > > > -- > > > > From: Peter Zijlstra > > > > commit

Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-03 Thread Greg Kroah-Hartman
On Tue, Sep 04, 2018 at 10:08:13AM +0530, Naresh Kamboju wrote: > On 3 September 2018 at 22:26, Greg Kroah-Hartman > wrote: > > 4.18-stable review patch. If anyone has any objections, please let me know. > > > > -- > > > > From: Peter Zijlstra > > > > commit

Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-03 Thread Naresh Kamboju
On 3 September 2018 at 22:26, Greg Kroah-Hartman wrote: > 4.18-stable review patch. If anyone has any objections, please let me know. > > -- > > From: Peter Zijlstra > > commit d86564a2f085b79ec046a5cba90188e612352806 upstream. > > Jann reported that x86 was missing required TLB

Re: [PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-03 Thread Naresh Kamboju
On 3 September 2018 at 22:26, Greg Kroah-Hartman wrote: > 4.18-stable review patch. If anyone has any objections, please let me know. > > -- > > From: Peter Zijlstra > > commit d86564a2f085b79ec046a5cba90188e612352806 upstream. > > Jann reported that x86 was missing required TLB

[PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-03 Thread Greg Kroah-Hartman
4.18-stable review patch. If anyone has any objections, please let me know. -- From: Peter Zijlstra commit d86564a2f085b79ec046a5cba90188e612352806 upstream. Jann reported that x86 was missing required TLB invalidates when he hit the !*batch slow path in tlb_remove_table().

[PATCH 4.18 050/123] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE

2018-09-03 Thread Greg Kroah-Hartman
4.18-stable review patch. If anyone has any objections, please let me know. -- From: Peter Zijlstra commit d86564a2f085b79ec046a5cba90188e612352806 upstream. Jann reported that x86 was missing required TLB invalidates when he hit the !*batch slow path in tlb_remove_table().