From: Dave Hansen [mailto:dave.han...@linux.intel.com]
Sent: Tuesday, June 14, 2016 7:20 PM
>> diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
...
>> +extern void fix_pte_leak(struct mm_struct *mm, unsigned long addr,
>> + pte_t *ptep);
> Doesn't
Dave Hansen wrote:
> On 06/14/2016 01:16 PM, Nadav Amit wrote:
>> Dave Hansen wrote:
>>
>>> On 06/14/2016 09:47 AM, Nadav Amit wrote:
Lukasz Anaczkowski wrote:
>> From: Andi Kleen
>> +void fix_pte_leak(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
>> +{
He
On Tue, Jun 14, 2016 at 7:44 PM, Nadav Amit wrote:
> Andy Lutomirski wrote:
>
>> On Tue, Jun 14, 2016 at 7:35 PM, Nadav Amit wrote:
>>> Andy Lutomirski wrote:
>>>
On Tue, Jun 14, 2016 at 2:37 PM, Dave Hansen
wrote:
> On 06/14/2016 01:16 PM, Nadav Amit wrote:
>> Dave Hansen w
Andy Lutomirski wrote:
> On Tue, Jun 14, 2016 at 7:35 PM, Nadav Amit wrote:
>> Andy Lutomirski wrote:
>>
>>> On Tue, Jun 14, 2016 at 2:37 PM, Dave Hansen
>>> wrote:
On 06/14/2016 01:16 PM, Nadav Amit wrote:
> Dave Hansen wrote:
>
>> On 06/14/2016 09:47 AM, Nadav Amit wrote:
On Tue, Jun 14, 2016 at 7:35 PM, Nadav Amit wrote:
> Andy Lutomirski wrote:
>
>> On Tue, Jun 14, 2016 at 2:37 PM, Dave Hansen
>> wrote:
>>> On 06/14/2016 01:16 PM, Nadav Amit wrote:
Dave Hansen wrote:
> On 06/14/2016 09:47 AM, Nadav Amit wrote:
>> Lukasz Anaczkowski wrote:
>>
Andy Lutomirski wrote:
> On Tue, Jun 14, 2016 at 2:37 PM, Dave Hansen
> wrote:
>> On 06/14/2016 01:16 PM, Nadav Amit wrote:
>>> Dave Hansen wrote:
>>>
On 06/14/2016 09:47 AM, Nadav Amit wrote:
> Lukasz Anaczkowski wrote:
>
>>> From: Andi Kleen
>>> +void fix_pte_leak(str
On Tue, Jun 14, 2016 at 2:37 PM, Dave Hansen
wrote:
> On 06/14/2016 01:16 PM, Nadav Amit wrote:
>> Dave Hansen wrote:
>>
>>> On 06/14/2016 09:47 AM, Nadav Amit wrote:
Lukasz Anaczkowski wrote:
>> From: Andi Kleen
>> +void fix_pte_leak(struct mm_struct *mm, unsigned long addr,
On 06/14/2016 01:16 PM, Nadav Amit wrote:
> Dave Hansen wrote:
>
>> On 06/14/2016 09:47 AM, Nadav Amit wrote:
>>> Lukasz Anaczkowski wrote:
>>>
> From: Andi Kleen
> +void fix_pte_leak(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
> +{
>>> Here there should be a call to smp_
Dave Hansen wrote:
> On 06/14/2016 09:47 AM, Nadav Amit wrote:
>> Lukasz Anaczkowski wrote:
>>
From: Andi Kleen
+void fix_pte_leak(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
+{
>> Here there should be a call to smp_mb__after_atomic() to synchronize with
>> switch_mm.
Hi,
[auto build test ERROR on v4.7-rc3]
[also build test ERROR on next-20160614]
[cannot apply to tip/x86/core]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/Lukasz-Anaczkowski/Linux-VM-workaro
...
> +extern void fix_pte_leak(struct mm_struct *mm, unsigned long addr,
> + pte_t *ptep);
> +
> static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
> unsigned long addr, pte_t *ptep)
> {
> - return ptep_get_and_cle
On 06/14/2016 09:47 AM, Nadav Amit wrote:
> Lukasz Anaczkowski wrote:
>
>> > From: Andi Kleen
>> > +void fix_pte_leak(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
>> > +{
> Here there should be a call to smp_mb__after_atomic() to synchronize with
> switch_mm. I submitted a similar patc
Hi,
[auto build test ERROR on v4.7-rc3]
[also build test ERROR on next-20160614]
[cannot apply to tip/x86/core]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/Lukasz-Anaczkowski/Linux-VM-workaro
From: Nadav Amit [mailto:nadav.a...@gmail.com]
Sent: Tuesday, June 14, 2016 6:48 PM
> Lukasz Anaczkowski wrote:
>> From: Andi Kleen
>> +void fix_pte_leak(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
>> +{
> Here there should be a call to smp_mb__after_atomic() to synchronize with
> s
Lukasz Anaczkowski wrote:
> From: Andi Kleen
> +void fix_pte_leak(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
> +{
Here there should be a call to smp_mb__after_atomic() to synchronize with
switch_mm. I submitted a similar patch, which is still pending (hint).
> + if (cpumask_any
Hi,
[auto build test ERROR on v4.7-rc3]
[also build test ERROR on next-20160614]
[cannot apply to tip/x86/core]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/Lukasz-Anaczkowski/Linux-VM-workaro
From: Andi Kleen
Knights Landing has a issue that a thread setting A or D bits
may not do so atomically against checking the present bit.
A thread which is going to page fault may still set those
bits, even though the present bit was already atomically cleared.
This implies that when the kernel
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