From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx48wFfh1kbErrr83VOF5D+jDz4NdF6IUJbcUUU6yRmmMS6AKlMqQUbE7j1pHTMe/qRRBDR1X ARC-Seal: i=1; a=rsa-sha256; t=1522240298; cv=none; d=google.com; s=arc-20160816; b=jlCu2v/NBVytFzBT+ly+ozpODx5lwDMxw/Z+Y0RLmNQIHj9q4v8pRZTcF8ITWzCG8G g9jO9iRrqSuJOIUQYEbrAzywC+HyZNQKQJfGwv/kczB/oEnLMo6EbiyBREQtXQlaHKhn w68UMaSh0Bozolh4MtFaaNCNAQS7dJJgXknilPuVC6p0ailzcVI47bkUS0V/a1RF6Sff yeb8caZdf9zDfVWCIJPJjcvZJ4VPV5bX8W0+O3Tzau9Ibba2dBa9smylRWmyvG4EK7jk cKMirV8KxYC/C8CddwII5IXCOrCyXcfBldu9RhM0mBJ2DpRfxSfr5PUxGkht4eYFYiwb JHhA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=message-id:date:subject:cc:to:from:dmarc-filter:dkim-signature :dkim-signature:arc-authentication-results; bh=9wG+C9Rf1Wr2knDn7Yq9un8hGP7uLUOoN6PkseyifJk=; b=X9SsvwnB1g/GedMOOw5e9L51dcExInAkoj24sN+uBqXJZxQhDcDgEG9ESDKOPr1NxJ BoCMtdvrv01m4coQV/PMvYM11L8cJQKWFvhbsywDSZoRhVtcw+PAPnnrxl5jMrmXrXsV NP6YEBgfpP7ShTOZr11YD3QJC+QqN+U7inc89dL/2aMFBlSqK0WPpt4PS1TgPNO2VoOy kbKMGgXclbb0aElCbTqqOOEoWWiOdnB7w2Pnl2wM06aZ71VPQ/9C2JRhJwOXSMgR35ma ugtGT+xBOZrKrnal1AXYMwUtgWpI6kvZQrRinDPuVmvQ+JcP6M9SNSgn3eTHAy5s25lf uL6Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@codeaurora.org header.s=default header.b=LwWET+VB; dkim=pass header.i=@codeaurora.org header.s=default header.b=HwbnZ8PZ; spf=pass (google.com: domain of cpandya@codeaurora.org designates 198.145.29.96 as permitted sender) smtp.mailfrom=cpandya@codeaurora.org Authentication-Results: mx.google.com; dkim=pass header.i=@codeaurora.org header.s=default header.b=LwWET+VB; dkim=pass header.i=@codeaurora.org header.s=default header.b=HwbnZ8PZ; spf=pass (google.com: domain of cpandya@codeaurora.org designates 198.145.29.96 as permitted sender) smtp.mailfrom=cpandya@codeaurora.org DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 14FF960591 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=cpandya@codeaurora.org From: Chintan Pandya To: catalin.marinas@arm.com, will.deacon@arm.com, mark.rutland@arm.com, toshi.kani@hpe.com Cc: arnd@arndb.de, ard.biesheuvel@linaro.org, marc.zyngier@arm.com, james.morse@arm.com, kristina.martsenko@arm.com, takahiro.akashi@linaro.org, gregkh@linuxfoundation.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, akpm@linux-foundation.org, Chintan Pandya Subject: [PATCH v7 0/4] Fix issues with huge mapping in ioremap for ARM64 Date: Wed, 28 Mar 2018 18:01:18 +0530 Message-Id: <1522240282-12104-1-git-send-email-cpandya@codeaurora.org> X-Mailer: git-send-email 1.9.1 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1596178825691273824?= X-GMAIL-MSGID: =?utf-8?q?1596184643504363017?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: This series of patches are follow up work (and depends on) Toshi Kani 's patches "fix memory leak/ panic in ioremap huge pages". This series of patches are tested on 4.9 kernel with Cortex-A75 based SoC. These patches can also go into '-stable' branch (if accepted) for 4.6 onwards. >>From V6->V7: - Fixed compilation issue in x86 case - V6 patches were not properly enumarated >>From V5->V6: - Use __flush_tlb_kernel_pgtable() for both PUD and PMD. Remove "bool tlb_inv" based variance as it is not need now - Re-naming for consistency >>From V4->V5: - Add new API __flush_tlb_kernel_pgtable(unsigned long addr) for kernel addresses >>From V3->V4: - Add header for 'addr' in x86 implementation - Re-order pmd/pud clear and table free - Avoid redundant TLB invalidatation in one perticular case >>From V2->V3: - Use the exisiting page table free interface to do arm64 specific things >>From V1->V2: - Rebased my patches on top of "[PATCH v2 1/2] mm/vmalloc: Add interfaces to free unmapped page table" - Honored BBM for ARM64 Chintan Pandya (4): ioremap: Update pgtable free interfaces with addr arm64: tlbflush: Introduce __flush_tlb_kernel_pgtable arm64: Implement page table free interfaces Revert "arm64: Enforce BBM for huge IO/VMAP mappings" arch/arm64/include/asm/tlbflush.h | 6 ++++++ arch/arm64/mm/mmu.c | 37 +++++++++++++++++++++++++------------ arch/x86/mm/pgtable.c | 8 +++++--- include/asm-generic/pgtable.h | 8 ++++---- lib/ioremap.c | 4 ++-- 5 files changed, 42 insertions(+), 21 deletions(-) -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc., is a member of Code Aurora Forum, a Linux Foundation Collaborative Project