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From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org
Cc: linux-doc@vger.kernel.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Paul Mackerras <paulus@samba.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	linux-riscv@lists.infradead.org, Will Deacon <will@kernel.org>,
	linux-arch@vger.kernel.org, linux-s390@vger.kernel.org,
	Jonathan Corbet <corbet@lwn.net>,
	Michael Ellerman <mpe@ellerman.id.au>,
	x86@kernel.org, Christophe Leroy <christophe.leroy@csgroup.eu>,
	Mike Rapoport <rppt@linux.ibm.com>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Ingo Molnar <mingo@redhat.com>,
	Gerald Schaefer <gerald.schaefer@de.ibm.com>,
	Zi Yan <ziy@nvidia.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	linux-snps-arc@lists.infradead.org,
	Vasily Gorbik <gor@linux.ibm.com>, Borislav Petkov <bp@alien8.de>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-arm-kernel@lists.infradead.org,
	Christophe Leroy <christophe.leroy@c-s.fr>,
	Vineet Gupta <vgupta@synopsys.com>,
	linux-kernel@vger.kernel.org, Palmer Dabbelt <palmer@dabbelt.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH V4 0/4] mm/debug_vm_pgtable: Add some more tests
Date: Mon, 6 Jul 2020 06:41:42 +0530
Message-ID: <3e03e6da-139f-94df-73aa-4aaf174f71f5@arm.com> (raw)
In-Reply-To: <1593996516-7186-1-git-send-email-anshuman.khandual@arm.com>


On 07/06/2020 06:18 AM, Anshuman Khandual wrote:
> This series adds some more arch page table helper validation tests which
> are related to core and advanced memory functions. This also creates a
> documentation, enlisting expected semantics for all page table helpers as
> suggested by Mike Rapoport previously (https://lkml.org/lkml/2020/1/30/40).
> 
> There are many TRANSPARENT_HUGEPAGE and ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD
> ifdefs scattered across the test. But consolidating all the fallback stubs
> is not very straight forward because ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD is
> not explicitly dependent on ARCH_HAS_TRANSPARENT_HUGEPAGE.
> 
> Tested on arm64, x86 platforms but only build tested on all other enabled
> platforms through ARCH_HAS_DEBUG_VM_PGTABLE i.e powerpc, arc, s390. The
> following failure on arm64 still exists which was mentioned previously. It
> will be fixed with the upcoming THP migration on arm64 enablement series.
> 
> WARNING .... mm/debug_vm_pgtable.c:860 debug_vm_pgtable+0x940/0xa54
> WARN_ON(!pmd_present(pmd_mkinvalid(pmd_mkhuge(pmd))))
> 
> This series is based on v5.8-rc4.
> 
> Changes in V4:
> 
> - Replaced READ_ONCE() with ptep_get() while accessing PTE pointers per Christophe
> - Fixed function argument alignments per Christophe

+Cc - Zi Yan, Gerald Schaefer, Christophe Leroy

The Cc list was not complete. Please do let me know if you could
not retrieve all the four patches of the series from the list.

- Anshuman

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  parent reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-06  0:48 Anshuman Khandual
2020-07-06  0:48 ` [PATCH V4 1/4] mm/debug_vm_pgtable: Add tests validating arch helpers for core MM features Anshuman Khandual
2020-07-06  0:48 ` [PATCH V4 2/4] mm/debug_vm_pgtable: Add tests validating advanced arch page table helpers Anshuman Khandual
2020-07-09  6:11   ` [mm/debug_vm_pgtable] a97a171093: BUG:unable_to_handle_page_fault_for_address kernel test robot
2020-07-10  6:47     ` Anshuman Khandual
2020-07-06  0:48 ` [PATCH V4 3/4] mm/debug_vm_pgtable: Add debug prints for individual tests Anshuman Khandual
2020-07-06  0:48 ` [PATCH V4 4/4] Documentation/mm: Add descriptions for arch page table helpers Anshuman Khandual
2020-07-06  1:11 ` Anshuman Khandual [this message]
2020-07-06 12:06 ` [PATCH V4 0/4] mm/debug_vm_pgtable: Add some more tests Alexander Gordeev

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