Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-28 Thread David Hildenbrand
On 28.05.25 20:23, Aishwarya wrote: Hi David, I applied the patch on next-20250515 and ran the test. The issue is no longer observed, and the test completed successfully. I can confirm that the patch resolves the problem. Tested-by: Aishwarya TCV Thanks a bunch for the fast re-test! -- Chee

Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-28 Thread Aishwarya
Hi David, I applied the patch on next-20250515 and ran the test. The issue is no longer observed, and the test completed successfully. I can confirm that the patch resolves the problem. Tested-by: Aishwarya TCV Thanks, Aishwarya

Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-28 Thread Ryan Roberts
On 28/05/2025 13:40, David Hildenbrand wrote: > On 28.05.25 12:53, Ryan Roberts wrote: >> On 28/05/2025 11:48, David Hildenbrand wrote: >>> On 28.05.25 12:44, David Hildenbrand wrote: On 28.05.25 12:34, Ryan Roberts wrote: > Hi David, > > > On 09/05/2025 16:30, David Hildenbran

Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-28 Thread David Hildenbrand
On 28.05.25 12:53, Ryan Roberts wrote: On 28/05/2025 11:48, David Hildenbrand wrote: On 28.05.25 12:44, David Hildenbrand wrote: On 28.05.25 12:34, Ryan Roberts wrote: Hi David, On 09/05/2025 16:30, David Hildenbrand wrote: Let's test some basic functionality using /dev/mem. These tests wil

Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-28 Thread Ryan Roberts
On 28/05/2025 11:48, David Hildenbrand wrote: > On 28.05.25 12:44, David Hildenbrand wrote: >> On 28.05.25 12:34, Ryan Roberts wrote: >>> Hi David, >>> >>> >>> On 09/05/2025 16:30, David Hildenbrand wrote: Let's test some basic functionality using /dev/mem. These tests will implicitly cov

Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-28 Thread David Hildenbrand
On 28.05.25 12:44, David Hildenbrand wrote: On 28.05.25 12:34, Ryan Roberts wrote: Hi David, On 09/05/2025 16:30, David Hildenbrand wrote: Let's test some basic functionality using /dev/mem. These tests will implicitly cover some PAT (Page Attribute Handling) handling on x86. These tests wil

Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-28 Thread David Hildenbrand
On 28.05.25 12:53, Ryan Roberts wrote: On 28/05/2025 11:48, David Hildenbrand wrote: On 28.05.25 12:44, David Hildenbrand wrote: On 28.05.25 12:34, Ryan Roberts wrote: Hi David, On 09/05/2025 16:30, David Hildenbrand wrote: Let's test some basic functionality using /dev/mem. These tests wil

Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-28 Thread David Hildenbrand
On 28.05.25 12:34, Ryan Roberts wrote: Hi David, On 09/05/2025 16:30, David Hildenbrand wrote: Let's test some basic functionality using /dev/mem. These tests will implicitly cover some PAT (Page Attribute Handling) handling on x86. These tests will only run when /dev/mem access to the first

Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-28 Thread Ryan Roberts
Hi David, On 09/05/2025 16:30, David Hildenbrand wrote: > Let's test some basic functionality using /dev/mem. These tests will > implicitly cover some PAT (Page Attribute Handling) handling on x86. > > These tests will only run when /dev/mem access to the first two pages > in physical address sp

Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-12 Thread Lorenzo Stoakes
On Mon, May 12, 2025 at 10:18:05AM +0200, David Hildenbrand wrote: > On 09.05.25 17:55, Lorenzo Stoakes wrote: > > On Fri, May 09, 2025 at 05:30:32PM +0200, David Hildenbrand wrote: > > > Let's test some basic functionality using /dev/mem. These tests will > > > implicitly cover some PAT (Page Attr

Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-12 Thread David Hildenbrand
On 09.05.25 17:55, Lorenzo Stoakes wrote: On Fri, May 09, 2025 at 05:30:32PM +0200, David Hildenbrand wrote: Let's test some basic functionality using /dev/mem. These tests will implicitly cover some PAT (Page Attribute Handling) handling on x86. These tests will only run when /dev/mem access t

Re: [PATCH v2] selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem

2025-05-09 Thread Lorenzo Stoakes
On Fri, May 09, 2025 at 05:30:32PM +0200, David Hildenbrand wrote: > Let's test some basic functionality using /dev/mem. These tests will > implicitly cover some PAT (Page Attribute Handling) handling on x86. > > These tests will only run when /dev/mem access to the first two pages > in physical a