This adds a test module which will validate architecture page table helpers
and accessors regarding compliance with generic MM semantics expectations.
This will help various architectures in validating changes to the existing
page table helpers or addition of new ones.
Test page table and memory p
Hi Anshuman,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[cannot apply to v5.3-rc7 next-20190902]
[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/A
On 09/03/2019 04:43 PM, kbuild test robot wrote:
> Hi Anshuman,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on linus/master]
> [cannot apply to v5.3-rc7 next-20190902]
> [if your patch is applied to the wrong git tree, please drop us a note to
> help impr
On Tue, Sep 03, 2019 at 01:31:46PM +0530, Anshuman Khandual wrote:
> This adds a test module which will validate architecture page table helpers
> and accessors regarding compliance with generic MM semantics expectations.
> This will help various architectures in validating changes to the existing
On Tue, 3 Sep 2019 13:31:46 +0530
Anshuman Khandual wrote:
> This adds a test module which will validate architecture page table helpers
> and accessors regarding compliance with generic MM semantics expectations.
> This will help various architectures in validating changes to the existing
> pag
On 9/3/19 1:01 AM, Anshuman Khandual wrote:
> This adds a test module which will validate architecture page table helpers
> and accessors regarding compliance with generic MM semantics expectations.
> This will help various architectures in validating changes to the existing
> page table helpers or
On 09/04/2019 07:49 PM, Kirill A. Shutemov wrote:
> On Tue, Sep 03, 2019 at 01:31:46PM +0530, Anshuman Khandual wrote:
>> This adds a test module which will validate architecture page table helpers
>> and accessors regarding compliance with generic MM semantics expectations.
>> This will help vario
On Thu, Sep 05, 2019 at 01:48:27PM +0530, Anshuman Khandual wrote:
> >> +#define VADDR_TEST(PGDIR_SIZE + PUD_SIZE + PMD_SIZE + PAGE_SIZE)
> >
> > What is special about this address? How do you know if it is not occupied
> > yet?
>
> We are creating the page table from scratch after alloca
On 09/05/2019 01:46 AM, Gerald Schaefer wrote:
> On Tue, 3 Sep 2019 13:31:46 +0530
> Anshuman Khandual wrote:
>
>> This adds a test module which will validate architecture page table helpers
>> and accessors regarding compliance with generic MM semantics expectations.
>> This will help various
On Thu, 5 Sep 2019 14:48:14 +0530
Anshuman Khandual wrote:
> > [...]
> >> +
> >> +#if !defined(__PAGETABLE_PMD_FOLDED) && !defined(__ARCH_HAS_4LEVEL_HACK)
> >> +static void pud_clear_tests(pud_t *pudp)
> >> +{
> >> + memset(pudp, RANDOM_NZVALUE, sizeof(pud_t));
> >> + pud_clear(pudp);
> >> +
On 09/05/2019 10:36 PM, Gerald Schaefer wrote:
> On Thu, 5 Sep 2019 14:48:14 +0530
> Anshuman Khandual wrote:
>
>>> [...]
+
+#if !defined(__PAGETABLE_PMD_FOLDED) && !defined(__ARCH_HAS_4LEVEL_HACK)
+static void pud_clear_tests(pud_t *pudp)
+{
+ memset(pudp, RANDOM_NZVA
On 09/05/2019 02:29 PM, Kirill A. Shutemov wrote:
> On Thu, Sep 05, 2019 at 01:48:27PM +0530, Anshuman Khandual wrote:
+#define VADDR_TEST(PGDIR_SIZE + PUD_SIZE + PMD_SIZE + PAGE_SIZE)
>>>
>>> What is special about this address? How do you know if it is not occupied
>>> yet?
>>
>> We
On Fri, 6 Sep 2019 11:58:59 +0530
Anshuman Khandual wrote:
> On 09/05/2019 10:36 PM, Gerald Schaefer wrote:
> > On Thu, 5 Sep 2019 14:48:14 +0530
> > Anshuman Khandual wrote:
> >
> >>> [...]
> +
> +#if !defined(__PAGETABLE_PMD_FOLDED) && !defined(__ARCH_HAS_4LEVEL_HACK)
> +
On 09/07/2019 12:33 AM, Gerald Schaefer wrote:
> On Fri, 6 Sep 2019 11:58:59 +0530
> Anshuman Khandual wrote:
>
>> On 09/05/2019 10:36 PM, Gerald Schaefer wrote:
>>> On Thu, 5 Sep 2019 14:48:14 +0530
>>> Anshuman Khandual wrote:
>>>
> [...]
>> +
>> +#if !defined(__PAGETABLE_
On Mon, Sep 09, 2019 at 11:56:50AM +0530, Anshuman Khandual wrote:
>
>
> On 09/07/2019 12:33 AM, Gerald Schaefer wrote:
> > On Fri, 6 Sep 2019 11:58:59 +0530
> > Anshuman Khandual wrote:
> >
> >> On 09/05/2019 10:36 PM, Gerald Schaefer wrote:
> >>> On Thu, 5 Sep 2019 14:48:14 +0530
> >>> Anshum
On Mon, 9 Sep 2019 11:56:50 +0530
Anshuman Khandual wrote:
[..]
> >
> > Hmm, I simply used this on my system to make pud_clear_tests() work, not
> > sure if it works on all archs:
> >
> > pud_val(*pudp) |= RANDOM_NZVALUE;
>
> Which compiles on arm64 but then fails on x86 because of the way p
On 09/09/2019 08:43 PM, Kirill A. Shutemov wrote:
> On Mon, Sep 09, 2019 at 11:56:50AM +0530, Anshuman Khandual wrote:
>>
>>
>> On 09/07/2019 12:33 AM, Gerald Schaefer wrote:
>>> On Fri, 6 Sep 2019 11:58:59 +0530
>>> Anshuman Khandual wrote:
>>>
On 09/05/2019 10:36 PM, Gerald Schaefer wrot
On 09/10/2019 03:56 AM, Anshuman Khandual wrote:
On 09/09/2019 08:43 PM, Kirill A. Shutemov wrote:
On Mon, Sep 09, 2019 at 11:56:50AM +0530, Anshuman Khandual wrote:
On 09/07/2019 12:33 AM, Gerald Schaefer wrote:
On Fri, 6 Sep 2019 11:58:59 +0530
Anshuman Khandual wrote:
On 09/05/201
On 09/10/2019 10:15 AM, Christophe Leroy wrote:
>
>
> On 09/10/2019 03:56 AM, Anshuman Khandual wrote:
>>
>>
>> On 09/09/2019 08:43 PM, Kirill A. Shutemov wrote:
>>> On Mon, Sep 09, 2019 at 11:56:50AM +0530, Anshuman Khandual wrote:
On 09/07/2019 12:33 AM, Gerald Schaefer wrote:
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