From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_RED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 352E6C433ED for ; Sat, 8 May 2021 22:40:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15DDD61421 for ; Sat, 8 May 2021 22:40:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229631AbhEHWl0 (ORCPT ); Sat, 8 May 2021 18:41:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:45020 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229577AbhEHWlY (ORCPT ); Sat, 8 May 2021 18:41:24 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7C42B61402; Sat, 8 May 2021 22:40:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1620513621; bh=YXy6GWcZ35B1UXrRn4+epmyhJYP9XvuJcasQsOgWMNU=; h=Date:From:To:Subject:From; b=BDi8VKK44nml6gMtPEhBqYAOR/4DV3EWFG38gNaglg1/qIz5eS9zitWb7gtmAQ2bL RF9lEbAQtY1TXZWJmmaccNHFN71CQ9wpj44ye6ptv/NBJD6c8gqgReMwd6iy+GqQ+H xMhKP7eMpp3eJT5sbhuoYZVXFJ+sQGGBsfdtG39k= Date: Sat, 08 May 2021 15:40:21 -0700 From: akpm@linux-foundation.org To: anshuman.khandual@arm.com, benh@kernel.crashing.org, catalin.marinas@arm.com, chris@zankel.net, jcmvbkbc@gmail.com, linux@armlinux.org.uk, mingo@redhat.com, mm-commits@vger.kernel.org, mpe@ellerman.id.au, paulus@samba.org, tglx@linutronix.de, tsbogend@alpha.franken.de, will@kernel.org Subject: [merged] mm-memtest-add-arch_use_memtest.patch removed from -mm tree Message-ID: <20210508224021._hcXF1GRe%akpm@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/memtest: add ARCH_USE_MEMTEST has been removed from the -mm tree. Its filename was mm-memtest-add-arch_use_memtest.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Anshuman Khandual Subject: mm/memtest: add ARCH_USE_MEMTEST early_memtest() does not get called from all architectures. Hence enabling CONFIG_MEMTEST and providing a valid memtest=[1..N] kernel command line option might not trigger the memory pattern tests as would be expected in normal circumstances. This situation is misleading. The change here prevents the above mentioned problem after introducing a new config option ARCH_USE_MEMTEST that should be subscribed on platforms that call early_memtest(), in order to enable the config CONFIG_MEMTEST. Conversely CONFIG_MEMTEST cannot be enabled on platforms where it would not be tested anyway. Link: https://lkml.kernel.org/r/1617269193-22294-1-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual Acked-by: Catalin Marinas (arm64) Reviewed-by: Max Filippov Cc: Russell King Cc: Will Deacon Cc: Thomas Bogendoerfer Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Chris Zankel Signed-off-by: Andrew Morton --- arch/arm/Kconfig | 1 + arch/arm64/Kconfig | 1 + arch/mips/Kconfig | 1 + arch/powerpc/Kconfig | 1 + arch/x86/Kconfig | 1 + arch/xtensa/Kconfig | 1 + lib/Kconfig.debug | 9 ++++++++- 7 files changed, 14 insertions(+), 1 deletion(-) --- a/arch/arm64/Kconfig~mm-memtest-add-arch_use_memtest +++ a/arch/arm64/Kconfig @@ -67,6 +67,7 @@ config ARM64 select ARCH_KEEP_MEMBLOCK select ARCH_USE_CMPXCHG_LOCKREF select ARCH_USE_GNU_PROPERTY + select ARCH_USE_MEMTEST select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS select ARCH_USE_SYM_ANNOTATIONS --- a/arch/arm/Kconfig~mm-memtest-add-arch_use_memtest +++ a/arch/arm/Kconfig @@ -33,6 +33,7 @@ config ARM select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF + select ARCH_USE_MEMTEST select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU select ARCH_WANT_IPC_PARSE_VERSION select ARCH_WANT_LD_ORPHAN_WARN --- a/arch/mips/Kconfig~mm-memtest-add-arch_use_memtest +++ a/arch/mips/Kconfig @@ -16,6 +16,7 @@ config MIPS select ARCH_SUPPORTS_UPROBES select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF if 64BIT + select ARCH_USE_MEMTEST select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU --- a/arch/powerpc/Kconfig~mm-memtest-add-arch_use_memtest +++ a/arch/powerpc/Kconfig @@ -149,6 +149,7 @@ config PPC select ARCH_SUPPORTS_DEBUG_PAGEALLOC if PPC32 || PPC_BOOK3S_64 select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF if PPC64 + select ARCH_USE_MEMTEST select ARCH_USE_QUEUED_RWLOCKS if PPC_QUEUED_SPINLOCKS select ARCH_USE_QUEUED_SPINLOCKS if PPC_QUEUED_SPINLOCKS select ARCH_WANT_IPC_PARSE_VERSION --- a/arch/x86/Kconfig~mm-memtest-add-arch_use_memtest +++ a/arch/x86/Kconfig @@ -100,6 +100,7 @@ config X86 select ARCH_SUPPORTS_LTO_CLANG if X86_64 select ARCH_SUPPORTS_LTO_CLANG_THIN if X86_64 select ARCH_USE_BUILTIN_BSWAP + select ARCH_USE_MEMTEST select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS select ARCH_USE_SYM_ANNOTATIONS --- a/arch/xtensa/Kconfig~mm-memtest-add-arch_use_memtest +++ a/arch/xtensa/Kconfig @@ -7,6 +7,7 @@ config XTENSA select ARCH_HAS_SYNC_DMA_FOR_CPU if MMU select ARCH_HAS_SYNC_DMA_FOR_DEVICE if MMU select ARCH_HAS_DMA_SET_UNCACHED if MMU + select ARCH_USE_MEMTEST select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS select ARCH_WANT_FRAME_POINTERS --- a/lib/Kconfig.debug~mm-memtest-add-arch_use_memtest +++ a/lib/Kconfig.debug @@ -2578,11 +2578,18 @@ config TEST_FPU endif # RUNTIME_TESTING_MENU +config ARCH_USE_MEMTEST + bool + help + An architecture should select this when it uses early_memtest() + during boot process. + config MEMTEST bool "Memtest" + depends on ARCH_USE_MEMTEST help This option adds a kernel parameter 'memtest', which allows memtest - to be set. + to be set and executed. memtest=0, mean disabled; -- default memtest=1, mean do 1 test pattern; ... _ Patches currently in -mm which might be from anshuman.khandual@arm.com are