From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Chaitanya S Prakash <chaitanyas.prakash@arm.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
"Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
Shuah Khan <shuah@kernel.org>,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH 0/5] selftests/mm: Implement support for arm64 on va
Date: Fri, 24 Mar 2023 15:45:52 +0530 [thread overview]
Message-ID: <9a2fc29b-ab4c-b13a-0ac3-772a47039750@arm.com> (raw)
In-Reply-To: <20230323144910.b07df164acc1d85bc76dc933@linux-foundation.org>
On 3/24/23 03:19, Andrew Morton wrote:
> On Thu, 23 Mar 2023 16:22:38 +0530 Chaitanya S Prakash <chaitanyas.prakash@arm.com> wrote:
>
>> The va_128TBswitch selftest is designed and implemented for PowerPC and
>> x86 architectures which support a 128TB switch, up to 256TB of virtual
>> address space and hugepage sizes of 16MB and 2MB respectively. Arm64
>> platforms on the other hand support a 256Tb switch, up to 4PB of virtual
>> address space and a default hugepage size of 512MB when 64k pagesize is
>> enabled.
>>
>> These architectural differences require introducing support for arm64
>> platforms, after which a more generic naming convention is suggested.
>> The in code comments are amended to provide a more platform independent
>> explanation of the working of the code and nr_hugepages are configured
>> as required. Finally, the file running the testcase is modified in order
>> to prevent skipping of hugetlb testcases of va_high_addr_switch.
>>
>> This series has been tested on 6.3.0-rc3 kernel, both on arm64 and x86
>> platforms.
>
> Would it make sense to get this series into the ARM tree, so it sees
> more testing on ARM
Rather, it will be better for this series to go via the mm tree instead
(via linux-next first) for better coverage on all platforms, this being
a common test.
next prev parent reply other threads:[~2023-03-24 10:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-23 10:52 Chaitanya S Prakash
2023-03-23 10:52 ` [PATCH 1/5] selftests/mm: Add support for arm64 platform on va switch Chaitanya S Prakash
2023-03-23 10:52 ` [PATCH 2/5] selftests/mm: Rename va_128TBswitch to va_high_addr_switch Chaitanya S Prakash
2023-03-23 10:52 ` [PATCH 3/5] selftests/mm: Add platform independent in code comments Chaitanya S Prakash
2023-03-23 10:52 ` [PATCH 4/5] selftests/mm: Configure nr_hugepages for arm64 Chaitanya S Prakash
2023-03-23 10:52 ` [PATCH 5/5] selftests/mm: Run hugetlb testcases of va switch Chaitanya S Prakash
2023-03-23 11:14 ` [PATCH 0/5] selftests/mm: Implement support for arm64 on va Kirill A. Shutemov
2023-03-23 11:59 ` Mark Rutland
2023-03-23 21:49 ` Andrew Morton
2023-03-24 10:15 ` Anshuman Khandual [this message]
2023-04-05 4:22 ` Chaitanya S Prakash
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