lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Wed, 24 Jun 2020 08:43:10 +0530 From: Anshuman Khandual <anshuman.khandual@....com> To: linux-mm@...ck.org Cc: christophe.leroy@....fr, ziy@...dia.com, gerald.schaefer@...ibm.com, Jonathan Corbet <corbet@....net>, Andrew Morton <akpm@...ux-foundation.org>, Mike Rapoport <rppt@...ux.ibm.com>, Vineet Gupta <vgupta@...opsys.com>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Paul Mackerras <paulus@...ba.org>, Michael Ellerman <mpe@...erman.id.au>, Heiko Carstens <heiko.carstens@...ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>, Christian Borntraeger <borntraeger@...ibm.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, "H. Peter Anvin" <hpa@...or.com>, "Kirill A . Shutemov" <kirill@...temov.name>, Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, linux-snps-arc@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org, linux-riscv@...ts.infradead.org, x86@...nel.org, linux-doc@...r.kernel.org, linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org, Christophe Leroy <christophe.leroy@...roup.eu> Subject: Re: [PATCH V3 0/4] mm/debug_vm_pgtable: Add some more tests On 06/15/2020 09:07 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-rc1. > > Changes in V3: > > - Replaced HAVE_ARCH_SOFT_DIRTY with MEM_SOFT_DIRTY > - Added HAVE_ARCH_HUGE_VMAP checks in pxx_huge_tests() per Gerald > - Updated documentation for pmd_thp_tests() per Zi Yan > - Replaced READ_ONCE() with huge_ptep_get() per Gerald > - Added pte_mkhuge() and masking with PMD_MASK per Gerald > - Replaced pte_same() with holding pfn check in pxx_swap_tests() > - Added documentation for all (#ifdef #else #endif) per Gerald > - Updated pmd_protnone_tests() per Gerald > - Updated HugeTLB PTE creation in hugetlb_advanced_tests() per Gerald > - Replaced [pmd|pud]_mknotpresent() with [pmd|pud]_mkinvalid() > - Added has_transparent_hugepage() check for PMD and PUD tests > - Added a patch which debug prints all individual tests being executed > - Updated documentation for renamed [pmd|pud]_mkinvalid() helpers Hello Gerald/Christophe/Vineet, It would be really great if you could give this series a quick test on s390/ppc/arc platforms respectively. Thank you. - Anshuman
Powered by blists - more mailing lists